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1642 lines
53 KiB
1642 lines
53 KiB
<?php
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if (!defined('ENT_SUBSTITUTE')) {
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define('ENT_SUBSTITUTE', 8);
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}
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/*
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* This file is part of Twig.
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*
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* (c) Fabien Potencier
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*
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* For the full copyright and license information, please view the LICENSE
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* file that was distributed with this source code.
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*/
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/**
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* @final
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*/
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class Twig_Extension_Core extends Twig_Extension
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{
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protected $dateFormats = array('F j, Y H:i', '%d days');
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protected $numberFormat = array(0, '.', ',');
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protected $timezone = null;
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protected $escapers = array();
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/**
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* Defines a new escaper to be used via the escape filter.
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*
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* @param string $strategy The strategy name that should be used as a strategy in the escape call
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* @param callable $callable A valid PHP callable
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*/
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public function setEscaper($strategy, $callable)
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{
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$this->escapers[$strategy] = $callable;
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}
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/**
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* Gets all defined escapers.
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*
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* @return array An array of escapers
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*/
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public function getEscapers()
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{
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return $this->escapers;
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}
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/**
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* Sets the default format to be used by the date filter.
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*
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* @param string $format The default date format string
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* @param string $dateIntervalFormat The default date interval format string
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*/
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public function setDateFormat($format = null, $dateIntervalFormat = null)
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{
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if (null !== $format) {
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$this->dateFormats[0] = $format;
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}
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if (null !== $dateIntervalFormat) {
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$this->dateFormats[1] = $dateIntervalFormat;
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}
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}
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/**
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* Gets the default format to be used by the date filter.
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*
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* @return array The default date format string and the default date interval format string
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*/
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public function getDateFormat()
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{
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return $this->dateFormats;
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}
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/**
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* Sets the default timezone to be used by the date filter.
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*
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* @param DateTimeZone|string $timezone The default timezone string or a DateTimeZone object
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*/
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public function setTimezone($timezone)
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{
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$this->timezone = $timezone instanceof DateTimeZone ? $timezone : new DateTimeZone($timezone);
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}
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/**
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* Gets the default timezone to be used by the date filter.
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*
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* @return DateTimeZone The default timezone currently in use
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*/
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public function getTimezone()
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{
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if (null === $this->timezone) {
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$this->timezone = new DateTimeZone(date_default_timezone_get());
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}
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return $this->timezone;
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}
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/**
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* Sets the default format to be used by the number_format filter.
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*
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* @param int $decimal the number of decimal places to use
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* @param string $decimalPoint the character(s) to use for the decimal point
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* @param string $thousandSep the character(s) to use for the thousands separator
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*/
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public function setNumberFormat($decimal, $decimalPoint, $thousandSep)
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{
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$this->numberFormat = array($decimal, $decimalPoint, $thousandSep);
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}
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/**
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* Get the default format used by the number_format filter.
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*
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* @return array The arguments for number_format()
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*/
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public function getNumberFormat()
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{
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return $this->numberFormat;
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}
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public function getTokenParsers()
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{
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return array(
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new Twig_TokenParser_For(),
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new Twig_TokenParser_If(),
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new Twig_TokenParser_Extends(),
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new Twig_TokenParser_Include(),
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new Twig_TokenParser_Block(),
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new Twig_TokenParser_Use(),
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new Twig_TokenParser_Filter(),
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new Twig_TokenParser_Macro(),
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new Twig_TokenParser_Import(),
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new Twig_TokenParser_From(),
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new Twig_TokenParser_Set(),
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new Twig_TokenParser_Spaceless(),
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new Twig_TokenParser_Flush(),
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new Twig_TokenParser_Do(),
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new Twig_TokenParser_Embed(),
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new Twig_TokenParser_With(),
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);
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}
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public function getFilters()
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{
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$filters = array(
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// formatting filters
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new Twig_SimpleFilter('date', 'twig_date_format_filter', array('needs_environment' => true)),
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new Twig_SimpleFilter('date_modify', 'twig_date_modify_filter', array('needs_environment' => true)),
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new Twig_SimpleFilter('format', 'sprintf'),
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new Twig_SimpleFilter('replace', 'twig_replace_filter'),
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new Twig_SimpleFilter('number_format', 'twig_number_format_filter', array('needs_environment' => true)),
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new Twig_SimpleFilter('abs', 'abs'),
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new Twig_SimpleFilter('round', 'twig_round'),
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// encoding
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new Twig_SimpleFilter('url_encode', 'twig_urlencode_filter'),
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new Twig_SimpleFilter('json_encode', 'twig_jsonencode_filter'),
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new Twig_SimpleFilter('convert_encoding', 'twig_convert_encoding'),
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// string filters
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new Twig_SimpleFilter('title', 'twig_title_string_filter', array('needs_environment' => true)),
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new Twig_SimpleFilter('capitalize', 'twig_capitalize_string_filter', array('needs_environment' => true)),
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new Twig_SimpleFilter('upper', 'strtoupper'),
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new Twig_SimpleFilter('lower', 'strtolower'),
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new Twig_SimpleFilter('striptags', 'strip_tags'),
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new Twig_SimpleFilter('trim', 'twig_trim_filter'),
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new Twig_SimpleFilter('nl2br', 'nl2br', array('pre_escape' => 'html', 'is_safe' => array('html'))),
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// array helpers
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new Twig_SimpleFilter('join', 'twig_join_filter'),
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new Twig_SimpleFilter('split', 'twig_split_filter', array('needs_environment' => true)),
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new Twig_SimpleFilter('sort', 'twig_sort_filter'),
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new Twig_SimpleFilter('merge', 'twig_array_merge'),
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new Twig_SimpleFilter('batch', 'twig_array_batch'),
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// string/array filters
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new Twig_SimpleFilter('reverse', 'twig_reverse_filter', array('needs_environment' => true)),
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new Twig_SimpleFilter('length', 'twig_length_filter', array('needs_environment' => true)),
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new Twig_SimpleFilter('slice', 'twig_slice', array('needs_environment' => true)),
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new Twig_SimpleFilter('first', 'twig_first', array('needs_environment' => true)),
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new Twig_SimpleFilter('last', 'twig_last', array('needs_environment' => true)),
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// iteration and runtime
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new Twig_SimpleFilter('default', '_twig_default_filter', array('node_class' => 'Twig_Node_Expression_Filter_Default')),
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new Twig_SimpleFilter('keys', 'twig_get_array_keys_filter'),
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// escaping
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new Twig_SimpleFilter('escape', 'twig_escape_filter', array('needs_environment' => true, 'is_safe_callback' => 'twig_escape_filter_is_safe')),
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new Twig_SimpleFilter('e', 'twig_escape_filter', array('needs_environment' => true, 'is_safe_callback' => 'twig_escape_filter_is_safe')),
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);
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if (function_exists('mb_get_info')) {
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$filters[] = new Twig_SimpleFilter('upper', 'twig_upper_filter', array('needs_environment' => true));
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$filters[] = new Twig_SimpleFilter('lower', 'twig_lower_filter', array('needs_environment' => true));
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}
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return $filters;
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}
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public function getFunctions()
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{
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return array(
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new Twig_SimpleFunction('max', 'max'),
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new Twig_SimpleFunction('min', 'min'),
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new Twig_SimpleFunction('range', 'range'),
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new Twig_SimpleFunction('constant', 'twig_constant'),
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new Twig_SimpleFunction('cycle', 'twig_cycle'),
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new Twig_SimpleFunction('random', 'twig_random', array('needs_environment' => true)),
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new Twig_SimpleFunction('date', 'twig_date_converter', array('needs_environment' => true)),
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new Twig_SimpleFunction('include', 'twig_include', array('needs_environment' => true, 'needs_context' => true, 'is_safe' => array('all'))),
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new Twig_SimpleFunction('source', 'twig_source', array('needs_environment' => true, 'is_safe' => array('all'))),
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);
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}
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public function getTests()
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{
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return array(
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new Twig_SimpleTest('even', null, array('node_class' => 'Twig_Node_Expression_Test_Even')),
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new Twig_SimpleTest('odd', null, array('node_class' => 'Twig_Node_Expression_Test_Odd')),
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new Twig_SimpleTest('defined', null, array('node_class' => 'Twig_Node_Expression_Test_Defined')),
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new Twig_SimpleTest('sameas', null, array('node_class' => 'Twig_Node_Expression_Test_Sameas', 'deprecated' => '1.21', 'alternative' => 'same as')),
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new Twig_SimpleTest('same as', null, array('node_class' => 'Twig_Node_Expression_Test_Sameas')),
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new Twig_SimpleTest('none', null, array('node_class' => 'Twig_Node_Expression_Test_Null')),
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new Twig_SimpleTest('null', null, array('node_class' => 'Twig_Node_Expression_Test_Null')),
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new Twig_SimpleTest('divisibleby', null, array('node_class' => 'Twig_Node_Expression_Test_Divisibleby', 'deprecated' => '1.21', 'alternative' => 'divisible by')),
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new Twig_SimpleTest('divisible by', null, array('node_class' => 'Twig_Node_Expression_Test_Divisibleby')),
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new Twig_SimpleTest('constant', null, array('node_class' => 'Twig_Node_Expression_Test_Constant')),
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new Twig_SimpleTest('empty', 'twig_test_empty'),
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new Twig_SimpleTest('iterable', 'twig_test_iterable'),
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);
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}
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public function getOperators()
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{
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return array(
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array(
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'not' => array('precedence' => 50, 'class' => 'Twig_Node_Expression_Unary_Not'),
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'-' => array('precedence' => 500, 'class' => 'Twig_Node_Expression_Unary_Neg'),
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'+' => array('precedence' => 500, 'class' => 'Twig_Node_Expression_Unary_Pos'),
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),
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array(
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'or' => array('precedence' => 10, 'class' => 'Twig_Node_Expression_Binary_Or', 'associativity' => Twig_ExpressionParser::OPERATOR_LEFT),
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'and' => array('precedence' => 15, 'class' => 'Twig_Node_Expression_Binary_And', 'associativity' => Twig_ExpressionParser::OPERATOR_LEFT),
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'b-or' => array('precedence' => 16, 'class' => 'Twig_Node_Expression_Binary_BitwiseOr', 'associativity' => Twig_ExpressionParser::OPERATOR_LEFT),
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'b-xor' => array('precedence' => 17, 'class' => 'Twig_Node_Expression_Binary_BitwiseXor', 'associativity' => Twig_ExpressionParser::OPERATOR_LEFT),
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'b-and' => array('precedence' => 18, 'class' => 'Twig_Node_Expression_Binary_BitwiseAnd', 'associativity' => Twig_ExpressionParser::OPERATOR_LEFT),
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'==' => array('precedence' => 20, 'class' => 'Twig_Node_Expression_Binary_Equal', 'associativity' => Twig_ExpressionParser::OPERATOR_LEFT),
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'!=' => array('precedence' => 20, 'class' => 'Twig_Node_Expression_Binary_NotEqual', 'associativity' => Twig_ExpressionParser::OPERATOR_LEFT),
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'<' => array('precedence' => 20, 'class' => 'Twig_Node_Expression_Binary_Less', 'associativity' => Twig_ExpressionParser::OPERATOR_LEFT),
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'>' => array('precedence' => 20, 'class' => 'Twig_Node_Expression_Binary_Greater', 'associativity' => Twig_ExpressionParser::OPERATOR_LEFT),
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'>=' => array('precedence' => 20, 'class' => 'Twig_Node_Expression_Binary_GreaterEqual', 'associativity' => Twig_ExpressionParser::OPERATOR_LEFT),
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'<=' => array('precedence' => 20, 'class' => 'Twig_Node_Expression_Binary_LessEqual', 'associativity' => Twig_ExpressionParser::OPERATOR_LEFT),
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'not in' => array('precedence' => 20, 'class' => 'Twig_Node_Expression_Binary_NotIn', 'associativity' => Twig_ExpressionParser::OPERATOR_LEFT),
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'in' => array('precedence' => 20, 'class' => 'Twig_Node_Expression_Binary_In', 'associativity' => Twig_ExpressionParser::OPERATOR_LEFT),
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'matches' => array('precedence' => 20, 'class' => 'Twig_Node_Expression_Binary_Matches', 'associativity' => Twig_ExpressionParser::OPERATOR_LEFT),
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'starts with' => array('precedence' => 20, 'class' => 'Twig_Node_Expression_Binary_StartsWith', 'associativity' => Twig_ExpressionParser::OPERATOR_LEFT),
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'ends with' => array('precedence' => 20, 'class' => 'Twig_Node_Expression_Binary_EndsWith', 'associativity' => Twig_ExpressionParser::OPERATOR_LEFT),
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'..' => array('precedence' => 25, 'class' => 'Twig_Node_Expression_Binary_Range', 'associativity' => Twig_ExpressionParser::OPERATOR_LEFT),
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'+' => array('precedence' => 30, 'class' => 'Twig_Node_Expression_Binary_Add', 'associativity' => Twig_ExpressionParser::OPERATOR_LEFT),
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'-' => array('precedence' => 30, 'class' => 'Twig_Node_Expression_Binary_Sub', 'associativity' => Twig_ExpressionParser::OPERATOR_LEFT),
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'~' => array('precedence' => 40, 'class' => 'Twig_Node_Expression_Binary_Concat', 'associativity' => Twig_ExpressionParser::OPERATOR_LEFT),
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'*' => array('precedence' => 60, 'class' => 'Twig_Node_Expression_Binary_Mul', 'associativity' => Twig_ExpressionParser::OPERATOR_LEFT),
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'/' => array('precedence' => 60, 'class' => 'Twig_Node_Expression_Binary_Div', 'associativity' => Twig_ExpressionParser::OPERATOR_LEFT),
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'//' => array('precedence' => 60, 'class' => 'Twig_Node_Expression_Binary_FloorDiv', 'associativity' => Twig_ExpressionParser::OPERATOR_LEFT),
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'%' => array('precedence' => 60, 'class' => 'Twig_Node_Expression_Binary_Mod', 'associativity' => Twig_ExpressionParser::OPERATOR_LEFT),
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'is' => array('precedence' => 100, 'associativity' => Twig_ExpressionParser::OPERATOR_LEFT),
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'is not' => array('precedence' => 100, 'associativity' => Twig_ExpressionParser::OPERATOR_LEFT),
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'**' => array('precedence' => 200, 'class' => 'Twig_Node_Expression_Binary_Power', 'associativity' => Twig_ExpressionParser::OPERATOR_RIGHT),
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'??' => array('precedence' => 300, 'class' => 'Twig_Node_Expression_NullCoalesce', 'associativity' => Twig_ExpressionParser::OPERATOR_RIGHT),
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),
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);
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}
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public function getName()
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{
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return 'core';
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}
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}
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/**
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* Cycles over a value.
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*
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* @param ArrayAccess|array $values
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* @param int $position The cycle position
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*
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* @return string The next value in the cycle
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*/
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function twig_cycle($values, $position)
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{
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if (!is_array($values) && !$values instanceof ArrayAccess) {
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return $values;
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}
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return $values[$position % count($values)];
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}
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/**
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* Returns a random value depending on the supplied parameter type:
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* - a random item from a Traversable or array
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* - a random character from a string
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* - a random integer between 0 and the integer parameter.
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*
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* @param Twig_Environment $env
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* @param Traversable|array|int|float|string $values The values to pick a random item from
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*
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* @throws Twig_Error_Runtime when $values is an empty array (does not apply to an empty string which is returned as is)
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*
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* @return mixed A random value from the given sequence
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*/
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function twig_random(Twig_Environment $env, $values = null)
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{
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if (null === $values) {
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return mt_rand();
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}
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if (is_int($values) || is_float($values)) {
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return $values < 0 ? mt_rand($values, 0) : mt_rand(0, $values);
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}
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if ($values instanceof Traversable) {
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$values = iterator_to_array($values);
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} elseif (is_string($values)) {
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if ('' === $values) {
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return '';
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}
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if (null !== $charset = $env->getCharset()) {
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if ('UTF-8' !== $charset) {
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$values = twig_convert_encoding($values, 'UTF-8', $charset);
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}
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// unicode version of str_split()
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// split at all positions, but not after the start and not before the end
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$values = preg_split('/(?<!^)(?!$)/u', $values);
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if ('UTF-8' !== $charset) {
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foreach ($values as $i => $value) {
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$values[$i] = twig_convert_encoding($value, $charset, 'UTF-8');
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}
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}
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} else {
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return $values[mt_rand(0, strlen($values) - 1)];
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}
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}
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if (!is_array($values)) {
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return $values;
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}
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if (0 === count($values)) {
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throw new Twig_Error_Runtime('The random function cannot pick from an empty array.');
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}
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return $values[array_rand($values, 1)];
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}
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/**
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* Converts a date to the given format.
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|
*
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* <pre>
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* {{ post.published_at|date("m/d/Y") }}
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* </pre>
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*
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* @param Twig_Environment $env
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* @param DateTime|DateTimeInterface|DateInterval|string $date A date
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* @param string|null $format The target format, null to use the default
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* @param DateTimeZone|string|null|false $timezone The target timezone, null to use the default, false to leave unchanged
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*
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* @return string The formatted date
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*/
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function twig_date_format_filter(Twig_Environment $env, $date, $format = null, $timezone = null)
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|
{
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if (null === $format) {
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$formats = $env->getExtension('Twig_Extension_Core')->getDateFormat();
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$format = $date instanceof DateInterval ? $formats[1] : $formats[0];
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}
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|
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if ($date instanceof DateInterval) {
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return $date->format($format);
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}
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return twig_date_converter($env, $date, $timezone)->format($format);
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}
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|
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/**
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* Returns a new date object modified.
|
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*
|
|
* <pre>
|
|
* {{ post.published_at|date_modify("-1day")|date("m/d/Y") }}
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* </pre>
|
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*
|
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* @param Twig_Environment $env
|
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* @param DateTime|string $date A date
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* @param string $modifier A modifier string
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*
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* @return DateTime A new date object
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*/
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function twig_date_modify_filter(Twig_Environment $env, $date, $modifier)
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{
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$date = twig_date_converter($env, $date, false);
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$resultDate = $date->modify($modifier);
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// This is a hack to ensure PHP 5.2 support and support for DateTimeImmutable
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// DateTime::modify does not return the modified DateTime object < 5.3.0
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// and DateTimeImmutable does not modify $date.
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return null === $resultDate ? $date : $resultDate;
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}
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/**
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* Converts an input to a DateTime instance.
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|
*
|
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* <pre>
|
|
* {% if date(user.created_at) < date('+2days') %}
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* {# do something #}
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* {% endif %}
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* </pre>
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*
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* @param Twig_Environment $env
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* @param DateTime|DateTimeInterface|string|null $date A date
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* @param DateTimeZone|string|null|false $timezone The target timezone, null to use the default, false to leave unchanged
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*
|
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* @return DateTime A DateTime instance
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*/
|
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function twig_date_converter(Twig_Environment $env, $date = null, $timezone = null)
|
|
{
|
|
// determine the timezone
|
|
if (false !== $timezone) {
|
|
if (null === $timezone) {
|
|
$timezone = $env->getExtension('Twig_Extension_Core')->getTimezone();
|
|
} elseif (!$timezone instanceof DateTimeZone) {
|
|
$timezone = new DateTimeZone($timezone);
|
|
}
|
|
}
|
|
|
|
// immutable dates
|
|
if ($date instanceof DateTimeImmutable) {
|
|
return false !== $timezone ? $date->setTimezone($timezone) : $date;
|
|
}
|
|
|
|
if ($date instanceof DateTime || $date instanceof DateTimeInterface) {
|
|
$date = clone $date;
|
|
if (false !== $timezone) {
|
|
$date->setTimezone($timezone);
|
|
}
|
|
|
|
return $date;
|
|
}
|
|
|
|
if (null === $date || 'now' === $date) {
|
|
return new DateTime($date, false !== $timezone ? $timezone : $env->getExtension('Twig_Extension_Core')->getTimezone());
|
|
}
|
|
|
|
$asString = (string) $date;
|
|
if (ctype_digit($asString) || (!empty($asString) && '-' === $asString[0] && ctype_digit(substr($asString, 1)))) {
|
|
$date = new DateTime('@'.$date);
|
|
} else {
|
|
$date = new DateTime($date, $env->getExtension('Twig_Extension_Core')->getTimezone());
|
|
}
|
|
|
|
if (false !== $timezone) {
|
|
$date->setTimezone($timezone);
|
|
}
|
|
|
|
return $date;
|
|
}
|
|
|
|
/**
|
|
* Replaces strings within a string.
|
|
*
|
|
* @param string $str String to replace in
|
|
* @param array|Traversable $from Replace values
|
|
* @param string|null $to Replace to, deprecated (@see https://secure.php.net/manual/en/function.strtr.php)
|
|
*
|
|
* @return string
|
|
*/
|
|
function twig_replace_filter($str, $from, $to = null)
|
|
{
|
|
if ($from instanceof Traversable) {
|
|
$from = iterator_to_array($from);
|
|
} elseif (is_string($from) && is_string($to)) {
|
|
@trigger_error('Using "replace" with character by character replacement is deprecated since version 1.22 and will be removed in Twig 2.0', E_USER_DEPRECATED);
|
|
|
|
return strtr($str, $from, $to);
|
|
} elseif (!is_array($from)) {
|
|
throw new Twig_Error_Runtime(sprintf('The "replace" filter expects an array or "Traversable" as replace values, got "%s".', is_object($from) ? get_class($from) : gettype($from)));
|
|
}
|
|
|
|
return strtr($str, $from);
|
|
}
|
|
|
|
/**
|
|
* Rounds a number.
|
|
*
|
|
* @param int|float $value The value to round
|
|
* @param int|float $precision The rounding precision
|
|
* @param string $method The method to use for rounding
|
|
*
|
|
* @return int|float The rounded number
|
|
*/
|
|
function twig_round($value, $precision = 0, $method = 'common')
|
|
{
|
|
if ('common' == $method) {
|
|
return round($value, $precision);
|
|
}
|
|
|
|
if ('ceil' != $method && 'floor' != $method) {
|
|
throw new Twig_Error_Runtime('The round filter only supports the "common", "ceil", and "floor" methods.');
|
|
}
|
|
|
|
return $method($value * pow(10, $precision)) / pow(10, $precision);
|
|
}
|
|
|
|
/**
|
|
* Number format filter.
|
|
*
|
|
* All of the formatting options can be left null, in that case the defaults will
|
|
* be used. Supplying any of the parameters will override the defaults set in the
|
|
* environment object.
|
|
*
|
|
* @param Twig_Environment $env
|
|
* @param mixed $number A float/int/string of the number to format
|
|
* @param int $decimal the number of decimal points to display
|
|
* @param string $decimalPoint the character(s) to use for the decimal point
|
|
* @param string $thousandSep the character(s) to use for the thousands separator
|
|
*
|
|
* @return string The formatted number
|
|
*/
|
|
function twig_number_format_filter(Twig_Environment $env, $number, $decimal = null, $decimalPoint = null, $thousandSep = null)
|
|
{
|
|
$defaults = $env->getExtension('Twig_Extension_Core')->getNumberFormat();
|
|
if (null === $decimal) {
|
|
$decimal = $defaults[0];
|
|
}
|
|
|
|
if (null === $decimalPoint) {
|
|
$decimalPoint = $defaults[1];
|
|
}
|
|
|
|
if (null === $thousandSep) {
|
|
$thousandSep = $defaults[2];
|
|
}
|
|
|
|
return number_format((float) $number, $decimal, $decimalPoint, $thousandSep);
|
|
}
|
|
|
|
/**
|
|
* URL encodes (RFC 3986) a string as a path segment or an array as a query string.
|
|
*
|
|
* @param string|array $url A URL or an array of query parameters
|
|
*
|
|
* @return string The URL encoded value
|
|
*/
|
|
function twig_urlencode_filter($url)
|
|
{
|
|
if (is_array($url)) {
|
|
if (defined('PHP_QUERY_RFC3986')) {
|
|
return http_build_query($url, '', '&', PHP_QUERY_RFC3986);
|
|
}
|
|
|
|
return http_build_query($url, '', '&');
|
|
}
|
|
|
|
return rawurlencode($url);
|
|
}
|
|
|
|
if (PHP_VERSION_ID < 50300) {
|
|
/**
|
|
* JSON encodes a variable.
|
|
*
|
|
* @param mixed $value the value to encode
|
|
* @param int $options Not used on PHP 5.2.x
|
|
*
|
|
* @return mixed The JSON encoded value
|
|
*/
|
|
function twig_jsonencode_filter($value, $options = 0)
|
|
{
|
|
if ($value instanceof Twig_Markup) {
|
|
$value = (string) $value;
|
|
} elseif (is_array($value)) {
|
|
array_walk_recursive($value, '_twig_markup2string');
|
|
}
|
|
|
|
return json_encode($value);
|
|
}
|
|
} else {
|
|
/**
|
|
* JSON encodes a variable.
|
|
*
|
|
* @param mixed $value the value to encode
|
|
* @param int $options Bitmask consisting of JSON_HEX_QUOT, JSON_HEX_TAG, JSON_HEX_AMP, JSON_HEX_APOS, JSON_NUMERIC_CHECK, JSON_PRETTY_PRINT, JSON_UNESCAPED_SLASHES, JSON_FORCE_OBJECT
|
|
*
|
|
* @return mixed The JSON encoded value
|
|
*/
|
|
function twig_jsonencode_filter($value, $options = 0)
|
|
{
|
|
if ($value instanceof Twig_Markup) {
|
|
$value = (string) $value;
|
|
} elseif (is_array($value)) {
|
|
array_walk_recursive($value, '_twig_markup2string');
|
|
}
|
|
|
|
return json_encode($value, $options);
|
|
}
|
|
}
|
|
|
|
function _twig_markup2string(&$value)
|
|
{
|
|
if ($value instanceof Twig_Markup) {
|
|
$value = (string) $value;
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Merges an array with another one.
|
|
*
|
|
* <pre>
|
|
* {% set items = { 'apple': 'fruit', 'orange': 'fruit' } %}
|
|
*
|
|
* {% set items = items|merge({ 'peugeot': 'car' }) %}
|
|
*
|
|
* {# items now contains { 'apple': 'fruit', 'orange': 'fruit', 'peugeot': 'car' } #}
|
|
* </pre>
|
|
*
|
|
* @param array|Traversable $arr1 An array
|
|
* @param array|Traversable $arr2 An array
|
|
*
|
|
* @return array The merged array
|
|
*/
|
|
function twig_array_merge($arr1, $arr2)
|
|
{
|
|
if ($arr1 instanceof Traversable) {
|
|
$arr1 = iterator_to_array($arr1);
|
|
} elseif (!is_array($arr1)) {
|
|
throw new Twig_Error_Runtime(sprintf('The merge filter only works with arrays or "Traversable", got "%s" as first argument.', gettype($arr1)));
|
|
}
|
|
|
|
if ($arr2 instanceof Traversable) {
|
|
$arr2 = iterator_to_array($arr2);
|
|
} elseif (!is_array($arr2)) {
|
|
throw new Twig_Error_Runtime(sprintf('The merge filter only works with arrays or "Traversable", got "%s" as second argument.', gettype($arr2)));
|
|
}
|
|
|
|
return array_merge($arr1, $arr2);
|
|
}
|
|
|
|
/**
|
|
* Slices a variable.
|
|
*
|
|
* @param Twig_Environment $env
|
|
* @param mixed $item A variable
|
|
* @param int $start Start of the slice
|
|
* @param int $length Size of the slice
|
|
* @param bool $preserveKeys Whether to preserve key or not (when the input is an array)
|
|
*
|
|
* @return mixed The sliced variable
|
|
*/
|
|
function twig_slice(Twig_Environment $env, $item, $start, $length = null, $preserveKeys = false)
|
|
{
|
|
if ($item instanceof Traversable) {
|
|
while ($item instanceof IteratorAggregate) {
|
|
$item = $item->getIterator();
|
|
}
|
|
|
|
if ($start >= 0 && $length >= 0 && $item instanceof Iterator) {
|
|
try {
|
|
return iterator_to_array(new LimitIterator($item, $start, null === $length ? -1 : $length), $preserveKeys);
|
|
} catch (OutOfBoundsException $exception) {
|
|
return array();
|
|
}
|
|
}
|
|
|
|
$item = iterator_to_array($item, $preserveKeys);
|
|
}
|
|
|
|
if (is_array($item)) {
|
|
return array_slice($item, $start, $length, $preserveKeys);
|
|
}
|
|
|
|
$item = (string) $item;
|
|
|
|
if (function_exists('mb_get_info') && null !== $charset = $env->getCharset()) {
|
|
return (string) mb_substr($item, $start, null === $length ? mb_strlen($item, $charset) - $start : $length, $charset);
|
|
}
|
|
|
|
return (string) (null === $length ? substr($item, $start) : substr($item, $start, $length));
|
|
}
|
|
|
|
/**
|
|
* Returns the first element of the item.
|
|
*
|
|
* @param Twig_Environment $env
|
|
* @param mixed $item A variable
|
|
*
|
|
* @return mixed The first element of the item
|
|
*/
|
|
function twig_first(Twig_Environment $env, $item)
|
|
{
|
|
$elements = twig_slice($env, $item, 0, 1, false);
|
|
|
|
return is_string($elements) ? $elements : current($elements);
|
|
}
|
|
|
|
/**
|
|
* Returns the last element of the item.
|
|
*
|
|
* @param Twig_Environment $env
|
|
* @param mixed $item A variable
|
|
*
|
|
* @return mixed The last element of the item
|
|
*/
|
|
function twig_last(Twig_Environment $env, $item)
|
|
{
|
|
$elements = twig_slice($env, $item, -1, 1, false);
|
|
|
|
return is_string($elements) ? $elements : current($elements);
|
|
}
|
|
|
|
/**
|
|
* Joins the values to a string.
|
|
*
|
|
* The separator between elements is an empty string per default, you can define it with the optional parameter.
|
|
*
|
|
* <pre>
|
|
* {{ [1, 2, 3]|join('|') }}
|
|
* {# returns 1|2|3 #}
|
|
*
|
|
* {{ [1, 2, 3]|join }}
|
|
* {# returns 123 #}
|
|
* </pre>
|
|
*
|
|
* @param array $value An array
|
|
* @param string $glue The separator
|
|
*
|
|
* @return string The concatenated string
|
|
*/
|
|
function twig_join_filter($value, $glue = '')
|
|
{
|
|
if ($value instanceof Traversable) {
|
|
$value = iterator_to_array($value, false);
|
|
}
|
|
|
|
return implode($glue, (array) $value);
|
|
}
|
|
|
|
/**
|
|
* Splits the string into an array.
|
|
*
|
|
* <pre>
|
|
* {{ "one,two,three"|split(',') }}
|
|
* {# returns [one, two, three] #}
|
|
*
|
|
* {{ "one,two,three,four,five"|split(',', 3) }}
|
|
* {# returns [one, two, "three,four,five"] #}
|
|
*
|
|
* {{ "123"|split('') }}
|
|
* {# returns [1, 2, 3] #}
|
|
*
|
|
* {{ "aabbcc"|split('', 2) }}
|
|
* {# returns [aa, bb, cc] #}
|
|
* </pre>
|
|
*
|
|
* @param Twig_Environment $env
|
|
* @param string $value A string
|
|
* @param string $delimiter The delimiter
|
|
* @param int $limit The limit
|
|
*
|
|
* @return array The split string as an array
|
|
*/
|
|
function twig_split_filter(Twig_Environment $env, $value, $delimiter, $limit = null)
|
|
{
|
|
if (!empty($delimiter)) {
|
|
return null === $limit ? explode($delimiter, $value) : explode($delimiter, $value, $limit);
|
|
}
|
|
|
|
if (!function_exists('mb_get_info') || null === $charset = $env->getCharset()) {
|
|
return str_split($value, null === $limit ? 1 : $limit);
|
|
}
|
|
|
|
if ($limit <= 1) {
|
|
return preg_split('/(?<!^)(?!$)/u', $value);
|
|
}
|
|
|
|
$length = mb_strlen($value, $charset);
|
|
if ($length < $limit) {
|
|
return array($value);
|
|
}
|
|
|
|
$r = array();
|
|
for ($i = 0; $i < $length; $i += $limit) {
|
|
$r[] = mb_substr($value, $i, $limit, $charset);
|
|
}
|
|
|
|
return $r;
|
|
}
|
|
|
|
// The '_default' filter is used internally to avoid using the ternary operator
|
|
// which costs a lot for big contexts (before PHP 5.4). So, on average,
|
|
// a function call is cheaper.
|
|
/**
|
|
* @internal
|
|
*/
|
|
function _twig_default_filter($value, $default = '')
|
|
{
|
|
if (twig_test_empty($value)) {
|
|
return $default;
|
|
}
|
|
|
|
return $value;
|
|
}
|
|
|
|
/**
|
|
* Returns the keys for the given array.
|
|
*
|
|
* It is useful when you want to iterate over the keys of an array:
|
|
*
|
|
* <pre>
|
|
* {% for key in array|keys %}
|
|
* {# ... #}
|
|
* {% endfor %}
|
|
* </pre>
|
|
*
|
|
* @param array $array An array
|
|
*
|
|
* @return array The keys
|
|
*/
|
|
function twig_get_array_keys_filter($array)
|
|
{
|
|
if ($array instanceof Traversable) {
|
|
while ($array instanceof IteratorAggregate) {
|
|
$array = $array->getIterator();
|
|
}
|
|
|
|
if ($array instanceof Iterator) {
|
|
$keys = array();
|
|
$array->rewind();
|
|
while ($array->valid()) {
|
|
$keys[] = $array->key();
|
|
$array->next();
|
|
}
|
|
|
|
return $keys;
|
|
}
|
|
|
|
$keys = array();
|
|
foreach ($array as $key => $item) {
|
|
$keys[] = $key;
|
|
}
|
|
|
|
return $keys;
|
|
}
|
|
|
|
if (!is_array($array)) {
|
|
return array();
|
|
}
|
|
|
|
return array_keys($array);
|
|
}
|
|
|
|
/**
|
|
* Reverses a variable.
|
|
*
|
|
* @param Twig_Environment $env
|
|
* @param array|Traversable|string $item An array, a Traversable instance, or a string
|
|
* @param bool $preserveKeys Whether to preserve key or not
|
|
*
|
|
* @return mixed The reversed input
|
|
*/
|
|
function twig_reverse_filter(Twig_Environment $env, $item, $preserveKeys = false)
|
|
{
|
|
if ($item instanceof Traversable) {
|
|
return array_reverse(iterator_to_array($item), $preserveKeys);
|
|
}
|
|
|
|
if (is_array($item)) {
|
|
return array_reverse($item, $preserveKeys);
|
|
}
|
|
|
|
if (null !== $charset = $env->getCharset()) {
|
|
$string = (string) $item;
|
|
|
|
if ('UTF-8' !== $charset) {
|
|
$item = twig_convert_encoding($string, 'UTF-8', $charset);
|
|
}
|
|
|
|
preg_match_all('/./us', $item, $matches);
|
|
|
|
$string = implode('', array_reverse($matches[0]));
|
|
|
|
if ('UTF-8' !== $charset) {
|
|
$string = twig_convert_encoding($string, $charset, 'UTF-8');
|
|
}
|
|
|
|
return $string;
|
|
}
|
|
|
|
return strrev((string) $item);
|
|
}
|
|
|
|
/**
|
|
* Sorts an array.
|
|
*
|
|
* @param array|Traversable $array
|
|
*
|
|
* @return array
|
|
*/
|
|
function twig_sort_filter($array)
|
|
{
|
|
if ($array instanceof Traversable) {
|
|
$array = iterator_to_array($array);
|
|
} elseif (!is_array($array)) {
|
|
throw new Twig_Error_Runtime(sprintf('The sort filter only works with arrays or "Traversable", got "%s".', gettype($array)));
|
|
}
|
|
|
|
asort($array);
|
|
|
|
return $array;
|
|
}
|
|
|
|
/**
|
|
* @internal
|
|
*/
|
|
function twig_in_filter($value, $compare)
|
|
{
|
|
if (is_array($compare)) {
|
|
return in_array($value, $compare, is_object($value) || is_resource($value));
|
|
} elseif (is_string($compare) && (is_string($value) || is_int($value) || is_float($value))) {
|
|
return '' === $value || false !== strpos($compare, (string) $value);
|
|
} elseif ($compare instanceof Traversable) {
|
|
if (is_object($value) || is_resource($value)) {
|
|
foreach ($compare as $item) {
|
|
if ($item === $value) {
|
|
return true;
|
|
}
|
|
}
|
|
} else {
|
|
foreach ($compare as $item) {
|
|
if ($item == $value) {
|
|
return true;
|
|
}
|
|
}
|
|
}
|
|
|
|
return false;
|
|
}
|
|
|
|
return false;
|
|
}
|
|
|
|
/**
|
|
* Returns a trimmed string.
|
|
*
|
|
* @return string
|
|
*
|
|
* @throws Twig_Error_Runtime When an invalid trimming side is used (not a string or not 'left', 'right', or 'both')
|
|
*/
|
|
function twig_trim_filter($string, $characterMask = null, $side = 'both')
|
|
{
|
|
if (null === $characterMask) {
|
|
$characterMask = " \t\n\r\0\x0B";
|
|
}
|
|
|
|
switch ($side) {
|
|
case 'both':
|
|
return trim($string, $characterMask);
|
|
case 'left':
|
|
return ltrim($string, $characterMask);
|
|
case 'right':
|
|
return rtrim($string, $characterMask);
|
|
default:
|
|
throw new Twig_Error_Runtime('Trimming side must be "left", "right" or "both".');
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Escapes a string.
|
|
*
|
|
* @param Twig_Environment $env
|
|
* @param mixed $string The value to be escaped
|
|
* @param string $strategy The escaping strategy
|
|
* @param string $charset The charset
|
|
* @param bool $autoescape Whether the function is called by the auto-escaping feature (true) or by the developer (false)
|
|
*
|
|
* @return string
|
|
*/
|
|
function twig_escape_filter(Twig_Environment $env, $string, $strategy = 'html', $charset = null, $autoescape = false)
|
|
{
|
|
if ($autoescape && $string instanceof Twig_Markup) {
|
|
return $string;
|
|
}
|
|
|
|
if (!is_string($string)) {
|
|
if (is_object($string) && method_exists($string, '__toString')) {
|
|
$string = (string) $string;
|
|
} elseif (in_array($strategy, array('html', 'js', 'css', 'html_attr', 'url'))) {
|
|
return $string;
|
|
}
|
|
}
|
|
|
|
if (null === $charset) {
|
|
$charset = $env->getCharset();
|
|
}
|
|
|
|
switch ($strategy) {
|
|
case 'html':
|
|
// see https://secure.php.net/htmlspecialchars
|
|
|
|
// Using a static variable to avoid initializing the array
|
|
// each time the function is called. Moving the declaration on the
|
|
// top of the function slow downs other escaping strategies.
|
|
static $htmlspecialcharsCharsets = array(
|
|
'ISO-8859-1' => true, 'ISO8859-1' => true,
|
|
'ISO-8859-15' => true, 'ISO8859-15' => true,
|
|
'utf-8' => true, 'UTF-8' => true,
|
|
'CP866' => true, 'IBM866' => true, '866' => true,
|
|
'CP1251' => true, 'WINDOWS-1251' => true, 'WIN-1251' => true,
|
|
'1251' => true,
|
|
'CP1252' => true, 'WINDOWS-1252' => true, '1252' => true,
|
|
'KOI8-R' => true, 'KOI8-RU' => true, 'KOI8R' => true,
|
|
'BIG5' => true, '950' => true,
|
|
'GB2312' => true, '936' => true,
|
|
'BIG5-HKSCS' => true,
|
|
'SHIFT_JIS' => true, 'SJIS' => true, '932' => true,
|
|
'EUC-JP' => true, 'EUCJP' => true,
|
|
'ISO8859-5' => true, 'ISO-8859-5' => true, 'MACROMAN' => true,
|
|
);
|
|
|
|
if (isset($htmlspecialcharsCharsets[$charset])) {
|
|
return htmlspecialchars($string, ENT_QUOTES | ENT_SUBSTITUTE, $charset);
|
|
}
|
|
|
|
if (isset($htmlspecialcharsCharsets[strtoupper($charset)])) {
|
|
// cache the lowercase variant for future iterations
|
|
$htmlspecialcharsCharsets[$charset] = true;
|
|
|
|
return htmlspecialchars($string, ENT_QUOTES | ENT_SUBSTITUTE, $charset);
|
|
}
|
|
|
|
$string = twig_convert_encoding($string, 'UTF-8', $charset);
|
|
$string = htmlspecialchars($string, ENT_QUOTES | ENT_SUBSTITUTE, 'UTF-8');
|
|
|
|
return twig_convert_encoding($string, $charset, 'UTF-8');
|
|
|
|
case 'js':
|
|
// escape all non-alphanumeric characters
|
|
// into their \x or \uHHHH representations
|
|
if ('UTF-8' !== $charset) {
|
|
$string = twig_convert_encoding($string, 'UTF-8', $charset);
|
|
}
|
|
|
|
if (0 == strlen($string) ? false : 1 !== preg_match('/^./su', $string)) {
|
|
throw new Twig_Error_Runtime('The string to escape is not a valid UTF-8 string.');
|
|
}
|
|
|
|
$string = preg_replace_callback('#[^a-zA-Z0-9,\._]#Su', '_twig_escape_js_callback', $string);
|
|
|
|
if ('UTF-8' !== $charset) {
|
|
$string = twig_convert_encoding($string, $charset, 'UTF-8');
|
|
}
|
|
|
|
return $string;
|
|
|
|
case 'css':
|
|
if ('UTF-8' !== $charset) {
|
|
$string = twig_convert_encoding($string, 'UTF-8', $charset);
|
|
}
|
|
|
|
if (0 == strlen($string) ? false : 1 !== preg_match('/^./su', $string)) {
|
|
throw new Twig_Error_Runtime('The string to escape is not a valid UTF-8 string.');
|
|
}
|
|
|
|
$string = preg_replace_callback('#[^a-zA-Z0-9]#Su', '_twig_escape_css_callback', $string);
|
|
|
|
if ('UTF-8' !== $charset) {
|
|
$string = twig_convert_encoding($string, $charset, 'UTF-8');
|
|
}
|
|
|
|
return $string;
|
|
|
|
case 'html_attr':
|
|
if ('UTF-8' !== $charset) {
|
|
$string = twig_convert_encoding($string, 'UTF-8', $charset);
|
|
}
|
|
|
|
if (0 == strlen($string) ? false : 1 !== preg_match('/^./su', $string)) {
|
|
throw new Twig_Error_Runtime('The string to escape is not a valid UTF-8 string.');
|
|
}
|
|
|
|
$string = preg_replace_callback('#[^a-zA-Z0-9,\.\-_]#Su', '_twig_escape_html_attr_callback', $string);
|
|
|
|
if ('UTF-8' !== $charset) {
|
|
$string = twig_convert_encoding($string, $charset, 'UTF-8');
|
|
}
|
|
|
|
return $string;
|
|
|
|
case 'url':
|
|
if (PHP_VERSION_ID < 50300) {
|
|
return str_replace('%7E', '~', rawurlencode($string));
|
|
}
|
|
|
|
return rawurlencode($string);
|
|
|
|
default:
|
|
static $escapers;
|
|
|
|
if (null === $escapers) {
|
|
$escapers = $env->getExtension('Twig_Extension_Core')->getEscapers();
|
|
}
|
|
|
|
if (isset($escapers[$strategy])) {
|
|
return call_user_func($escapers[$strategy], $env, $string, $charset);
|
|
}
|
|
|
|
$validStrategies = implode(', ', array_merge(array('html', 'js', 'url', 'css', 'html_attr'), array_keys($escapers)));
|
|
|
|
throw new Twig_Error_Runtime(sprintf('Invalid escaping strategy "%s" (valid ones: %s).', $strategy, $validStrategies));
|
|
}
|
|
}
|
|
|
|
/**
|
|
* @internal
|
|
*/
|
|
function twig_escape_filter_is_safe(Twig_Node $filterArgs)
|
|
{
|
|
foreach ($filterArgs as $arg) {
|
|
if ($arg instanceof Twig_Node_Expression_Constant) {
|
|
return array($arg->getAttribute('value'));
|
|
}
|
|
|
|
return array();
|
|
}
|
|
|
|
return array('html');
|
|
}
|
|
|
|
if (function_exists('mb_convert_encoding')) {
|
|
function twig_convert_encoding($string, $to, $from)
|
|
{
|
|
return mb_convert_encoding($string, $to, $from);
|
|
}
|
|
} elseif (function_exists('iconv')) {
|
|
function twig_convert_encoding($string, $to, $from)
|
|
{
|
|
return iconv($from, $to, $string);
|
|
}
|
|
} else {
|
|
function twig_convert_encoding($string, $to, $from)
|
|
{
|
|
throw new Twig_Error_Runtime('No suitable convert encoding function (use UTF-8 as your encoding or install the iconv or mbstring extension).');
|
|
}
|
|
}
|
|
|
|
function _twig_escape_js_callback($matches)
|
|
{
|
|
$char = $matches[0];
|
|
|
|
/*
|
|
* A few characters have short escape sequences in JSON and JavaScript.
|
|
* Escape sequences supported only by JavaScript, not JSON, are ommitted.
|
|
* \" is also supported but omitted, because the resulting string is not HTML safe.
|
|
*/
|
|
static $shortMap = array(
|
|
'\\' => '\\\\',
|
|
'/' => '\\/',
|
|
"\x08" => '\b',
|
|
"\x0C" => '\f',
|
|
"\x0A" => '\n',
|
|
"\x0D" => '\r',
|
|
"\x09" => '\t',
|
|
);
|
|
|
|
if (isset($shortMap[$char])) {
|
|
return $shortMap[$char];
|
|
}
|
|
|
|
// \uHHHH
|
|
$char = twig_convert_encoding($char, 'UTF-16BE', 'UTF-8');
|
|
$char = strtoupper(bin2hex($char));
|
|
|
|
if (4 >= strlen($char)) {
|
|
return sprintf('\u%04s', $char);
|
|
}
|
|
|
|
return sprintf('\u%04s\u%04s', substr($char, 0, -4), substr($char, -4));
|
|
}
|
|
|
|
function _twig_escape_css_callback($matches)
|
|
{
|
|
$char = $matches[0];
|
|
|
|
// \xHH
|
|
if (!isset($char[1])) {
|
|
$hex = ltrim(strtoupper(bin2hex($char)), '0');
|
|
if (0 === strlen($hex)) {
|
|
$hex = '0';
|
|
}
|
|
|
|
return '\\'.$hex.' ';
|
|
}
|
|
|
|
// \uHHHH
|
|
$char = twig_convert_encoding($char, 'UTF-16BE', 'UTF-8');
|
|
|
|
return '\\'.ltrim(strtoupper(bin2hex($char)), '0').' ';
|
|
}
|
|
|
|
/**
|
|
* This function is adapted from code coming from Zend Framework.
|
|
*
|
|
* @copyright Copyright (c) 2005-2012 Zend Technologies USA Inc. (https://www.zend.com)
|
|
* @license https://framework.zend.com/license/new-bsd New BSD License
|
|
*/
|
|
function _twig_escape_html_attr_callback($matches)
|
|
{
|
|
/*
|
|
* While HTML supports far more named entities, the lowest common denominator
|
|
* has become HTML5's XML Serialisation which is restricted to the those named
|
|
* entities that XML supports. Using HTML entities would result in this error:
|
|
* XML Parsing Error: undefined entity
|
|
*/
|
|
static $entityMap = array(
|
|
34 => 'quot', /* quotation mark */
|
|
38 => 'amp', /* ampersand */
|
|
60 => 'lt', /* less-than sign */
|
|
62 => 'gt', /* greater-than sign */
|
|
);
|
|
|
|
$chr = $matches[0];
|
|
$ord = ord($chr);
|
|
|
|
/*
|
|
* The following replaces characters undefined in HTML with the
|
|
* hex entity for the Unicode replacement character.
|
|
*/
|
|
if (($ord <= 0x1f && "\t" != $chr && "\n" != $chr && "\r" != $chr) || ($ord >= 0x7f && $ord <= 0x9f)) {
|
|
return '�';
|
|
}
|
|
|
|
/*
|
|
* Check if the current character to escape has a name entity we should
|
|
* replace it with while grabbing the hex value of the character.
|
|
*/
|
|
if (1 == strlen($chr)) {
|
|
$hex = strtoupper(substr('00'.bin2hex($chr), -2));
|
|
} else {
|
|
$chr = twig_convert_encoding($chr, 'UTF-16BE', 'UTF-8');
|
|
$hex = strtoupper(substr('0000'.bin2hex($chr), -4));
|
|
}
|
|
|
|
$int = hexdec($hex);
|
|
if (array_key_exists($int, $entityMap)) {
|
|
return sprintf('&%s;', $entityMap[$int]);
|
|
}
|
|
|
|
/*
|
|
* Per OWASP recommendations, we'll use hex entities for any other
|
|
* characters where a named entity does not exist.
|
|
*/
|
|
return sprintf('&#x%s;', $hex);
|
|
}
|
|
|
|
// add multibyte extensions if possible
|
|
if (function_exists('mb_get_info')) {
|
|
/**
|
|
* Returns the length of a variable.
|
|
*
|
|
* @param Twig_Environment $env
|
|
* @param mixed $thing A variable
|
|
*
|
|
* @return int The length of the value
|
|
*/
|
|
function twig_length_filter(Twig_Environment $env, $thing)
|
|
{
|
|
if (null === $thing) {
|
|
return 0;
|
|
}
|
|
|
|
if (is_scalar($thing)) {
|
|
return mb_strlen($thing, $env->getCharset());
|
|
}
|
|
|
|
if ($thing instanceof \SimpleXMLElement) {
|
|
return count($thing);
|
|
}
|
|
|
|
if (is_object($thing) && method_exists($thing, '__toString') && !$thing instanceof \Countable) {
|
|
return mb_strlen((string) $thing, $env->getCharset());
|
|
}
|
|
|
|
if ($thing instanceof \Countable || is_array($thing)) {
|
|
return count($thing);
|
|
}
|
|
|
|
if ($thing instanceof \IteratorAggregate) {
|
|
return iterator_count($thing);
|
|
}
|
|
|
|
return 1;
|
|
}
|
|
|
|
/**
|
|
* Converts a string to uppercase.
|
|
*
|
|
* @param Twig_Environment $env
|
|
* @param string $string A string
|
|
*
|
|
* @return string The uppercased string
|
|
*/
|
|
function twig_upper_filter(Twig_Environment $env, $string)
|
|
{
|
|
if (null !== $charset = $env->getCharset()) {
|
|
return mb_strtoupper($string, $charset);
|
|
}
|
|
|
|
return strtoupper($string);
|
|
}
|
|
|
|
/**
|
|
* Converts a string to lowercase.
|
|
*
|
|
* @param Twig_Environment $env
|
|
* @param string $string A string
|
|
*
|
|
* @return string The lowercased string
|
|
*/
|
|
function twig_lower_filter(Twig_Environment $env, $string)
|
|
{
|
|
if (null !== $charset = $env->getCharset()) {
|
|
return mb_strtolower($string, $charset);
|
|
}
|
|
|
|
return strtolower($string);
|
|
}
|
|
|
|
/**
|
|
* Returns a titlecased string.
|
|
*
|
|
* @param Twig_Environment $env
|
|
* @param string $string A string
|
|
*
|
|
* @return string The titlecased string
|
|
*/
|
|
function twig_title_string_filter(Twig_Environment $env, $string)
|
|
{
|
|
if (null !== $charset = $env->getCharset()) {
|
|
return mb_convert_case($string, MB_CASE_TITLE, $charset);
|
|
}
|
|
|
|
return ucwords(strtolower($string));
|
|
}
|
|
|
|
/**
|
|
* Returns a capitalized string.
|
|
*
|
|
* @param Twig_Environment $env
|
|
* @param string $string A string
|
|
*
|
|
* @return string The capitalized string
|
|
*/
|
|
function twig_capitalize_string_filter(Twig_Environment $env, $string)
|
|
{
|
|
if (null !== $charset = $env->getCharset()) {
|
|
return mb_strtoupper(mb_substr($string, 0, 1, $charset), $charset).mb_strtolower(mb_substr($string, 1, mb_strlen($string, $charset), $charset), $charset);
|
|
}
|
|
|
|
return ucfirst(strtolower($string));
|
|
}
|
|
}
|
|
// and byte fallback
|
|
else {
|
|
/**
|
|
* Returns the length of a variable.
|
|
*
|
|
* @param Twig_Environment $env
|
|
* @param mixed $thing A variable
|
|
*
|
|
* @return int The length of the value
|
|
*/
|
|
function twig_length_filter(Twig_Environment $env, $thing)
|
|
{
|
|
if (null === $thing) {
|
|
return 0;
|
|
}
|
|
|
|
if (is_scalar($thing)) {
|
|
return strlen($thing);
|
|
}
|
|
|
|
if ($thing instanceof \SimpleXMLElement) {
|
|
return count($thing);
|
|
}
|
|
|
|
if (is_object($thing) && method_exists($thing, '__toString') && !$thing instanceof \Countable) {
|
|
return strlen((string) $thing);
|
|
}
|
|
|
|
if ($thing instanceof \Countable || is_array($thing)) {
|
|
return count($thing);
|
|
}
|
|
|
|
if ($thing instanceof \IteratorAggregate) {
|
|
return iterator_count($thing);
|
|
}
|
|
|
|
return 1;
|
|
}
|
|
|
|
/**
|
|
* Returns a titlecased string.
|
|
*
|
|
* @param Twig_Environment $env
|
|
* @param string $string A string
|
|
*
|
|
* @return string The titlecased string
|
|
*/
|
|
function twig_title_string_filter(Twig_Environment $env, $string)
|
|
{
|
|
return ucwords(strtolower($string));
|
|
}
|
|
|
|
/**
|
|
* Returns a capitalized string.
|
|
*
|
|
* @param Twig_Environment $env
|
|
* @param string $string A string
|
|
*
|
|
* @return string The capitalized string
|
|
*/
|
|
function twig_capitalize_string_filter(Twig_Environment $env, $string)
|
|
{
|
|
return ucfirst(strtolower($string));
|
|
}
|
|
}
|
|
|
|
/**
|
|
* @internal
|
|
*/
|
|
function twig_ensure_traversable($seq)
|
|
{
|
|
if ($seq instanceof Traversable || is_array($seq)) {
|
|
return $seq;
|
|
}
|
|
|
|
return array();
|
|
}
|
|
|
|
/**
|
|
* Checks if a variable is empty.
|
|
*
|
|
* <pre>
|
|
* {# evaluates to true if the foo variable is null, false, or the empty string #}
|
|
* {% if foo is empty %}
|
|
* {# ... #}
|
|
* {% endif %}
|
|
* </pre>
|
|
*
|
|
* @param mixed $value A variable
|
|
*
|
|
* @return bool true if the value is empty, false otherwise
|
|
*/
|
|
function twig_test_empty($value)
|
|
{
|
|
if ($value instanceof Countable) {
|
|
return 0 == count($value);
|
|
}
|
|
|
|
if (is_object($value) && method_exists($value, '__toString')) {
|
|
return '' === (string) $value;
|
|
}
|
|
|
|
return '' === $value || false === $value || null === $value || array() === $value;
|
|
}
|
|
|
|
/**
|
|
* Checks if a variable is traversable.
|
|
*
|
|
* <pre>
|
|
* {# evaluates to true if the foo variable is an array or a traversable object #}
|
|
* {% if foo is iterable %}
|
|
* {# ... #}
|
|
* {% endif %}
|
|
* </pre>
|
|
*
|
|
* @param mixed $value A variable
|
|
*
|
|
* @return bool true if the value is traversable
|
|
*/
|
|
function twig_test_iterable($value)
|
|
{
|
|
return $value instanceof Traversable || is_array($value);
|
|
}
|
|
|
|
/**
|
|
* Renders a template.
|
|
*
|
|
* @param Twig_Environment $env
|
|
* @param array $context
|
|
* @param string|array $template The template to render or an array of templates to try consecutively
|
|
* @param array $variables The variables to pass to the template
|
|
* @param bool $withContext
|
|
* @param bool $ignoreMissing Whether to ignore missing templates or not
|
|
* @param bool $sandboxed Whether to sandbox the template or not
|
|
*
|
|
* @return string The rendered template
|
|
*/
|
|
function twig_include(Twig_Environment $env, $context, $template, $variables = array(), $withContext = true, $ignoreMissing = false, $sandboxed = false)
|
|
{
|
|
$alreadySandboxed = false;
|
|
$sandbox = null;
|
|
if ($withContext) {
|
|
$variables = array_merge($context, $variables);
|
|
}
|
|
|
|
if ($isSandboxed = $sandboxed && $env->hasExtension('Twig_Extension_Sandbox')) {
|
|
$sandbox = $env->getExtension('Twig_Extension_Sandbox');
|
|
if (!$alreadySandboxed = $sandbox->isSandboxed()) {
|
|
$sandbox->enableSandbox();
|
|
}
|
|
}
|
|
|
|
$result = null;
|
|
try {
|
|
$result = $env->resolveTemplate($template)->render($variables);
|
|
} catch (Twig_Error_Loader $e) {
|
|
if (!$ignoreMissing) {
|
|
if ($isSandboxed && !$alreadySandboxed) {
|
|
$sandbox->disableSandbox();
|
|
}
|
|
|
|
throw $e;
|
|
}
|
|
} catch (Throwable $e) {
|
|
if ($isSandboxed && !$alreadySandboxed) {
|
|
$sandbox->disableSandbox();
|
|
}
|
|
|
|
throw $e;
|
|
} catch (Exception $e) {
|
|
if ($isSandboxed && !$alreadySandboxed) {
|
|
$sandbox->disableSandbox();
|
|
}
|
|
|
|
throw $e;
|
|
}
|
|
|
|
if ($isSandboxed && !$alreadySandboxed) {
|
|
$sandbox->disableSandbox();
|
|
}
|
|
|
|
return $result;
|
|
}
|
|
|
|
/**
|
|
* Returns a template content without rendering it.
|
|
*
|
|
* @param Twig_Environment $env
|
|
* @param string $name The template name
|
|
* @param bool $ignoreMissing Whether to ignore missing templates or not
|
|
*
|
|
* @return string The template source
|
|
*/
|
|
function twig_source(Twig_Environment $env, $name, $ignoreMissing = false)
|
|
{
|
|
$loader = $env->getLoader();
|
|
try {
|
|
if (!$loader instanceof Twig_SourceContextLoaderInterface) {
|
|
return $loader->getSource($name);
|
|
} else {
|
|
return $loader->getSourceContext($name)->getCode();
|
|
}
|
|
} catch (Twig_Error_Loader $e) {
|
|
if (!$ignoreMissing) {
|
|
throw $e;
|
|
}
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Provides the ability to get constants from instances as well as class/global constants.
|
|
*
|
|
* @param string $constant The name of the constant
|
|
* @param null|object $object The object to get the constant from
|
|
*
|
|
* @return string
|
|
*/
|
|
function twig_constant($constant, $object = null)
|
|
{
|
|
if (null !== $object) {
|
|
$constant = get_class($object).'::'.$constant;
|
|
}
|
|
|
|
return constant($constant);
|
|
}
|
|
|
|
/**
|
|
* Checks if a constant exists.
|
|
*
|
|
* @param string $constant The name of the constant
|
|
* @param null|object $object The object to get the constant from
|
|
*
|
|
* @return bool
|
|
*/
|
|
function twig_constant_is_defined($constant, $object = null)
|
|
{
|
|
if (null !== $object) {
|
|
$constant = get_class($object).'::'.$constant;
|
|
}
|
|
|
|
return defined($constant);
|
|
}
|
|
|
|
/**
|
|
* Batches item.
|
|
*
|
|
* @param array $items An array of items
|
|
* @param int $size The size of the batch
|
|
* @param mixed $fill A value used to fill missing items
|
|
*
|
|
* @return array
|
|
*/
|
|
function twig_array_batch($items, $size, $fill = null)
|
|
{
|
|
if ($items instanceof Traversable) {
|
|
$items = iterator_to_array($items, false);
|
|
}
|
|
|
|
$size = ceil($size);
|
|
|
|
$result = array_chunk($items, $size, true);
|
|
|
|
if (null !== $fill && !empty($result)) {
|
|
$last = count($result) - 1;
|
|
if ($fillCount = $size - count($result[$last])) {
|
|
$result[$last] = array_merge(
|
|
$result[$last],
|
|
array_fill(0, $fillCount, $fill)
|
|
);
|
|
}
|
|
}
|
|
|
|
return $result;
|
|
}
|
|
|
|
class_alias('Twig_Extension_Core', 'Twig\Extension\CoreExtension', false);
|
|
|