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1686
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darkviper
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<?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) 2009 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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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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/**
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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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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 integer $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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/**
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* Returns the token parser instance to add to the existing list.
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*
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* @return array An array of Twig_TokenParser instances
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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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);
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}
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/**
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* Returns a list of filters to add to the existing list.
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*
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* @return array An array of filters
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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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'date' => new Twig_Filter_Function('twig_date_format_filter', array('needs_environment' => true)),
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'format' => new Twig_Filter_Function('sprintf'),
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'replace' => new Twig_Filter_Function('strtr'),
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'number_format' => new Twig_Filter_Function('twig_number_format_filter', array('needs_environment' => true)),
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// encoding
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'url_encode' => new Twig_Filter_Function('twig_urlencode_filter'),
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'json_encode' => new Twig_Filter_Function('twig_jsonencode_filter'),
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'convert_encoding' => new Twig_Filter_Function('twig_convert_encoding'),
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// string filters
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'title' => new Twig_Filter_Function('twig_title_string_filter', array('needs_environment' => true)),
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'capitalize' => new Twig_Filter_Function('twig_capitalize_string_filter', array('needs_environment' => true)),
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'upper' => new Twig_Filter_Function('strtoupper'),
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'lower' => new Twig_Filter_Function('strtolower'),
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'striptags' => new Twig_Filter_Function('strip_tags'),
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'trim' => new Twig_Filter_Function('trim'),
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'nl2br' => new Twig_Filter_Function('nl2br', array('pre_escape' => 'html', 'is_safe' => array('html'))),
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// array helpers
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'join' => new Twig_Filter_Function('twig_join_filter'),
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'sort' => new Twig_Filter_Function('twig_sort_filter'),
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'merge' => new Twig_Filter_Function('twig_array_merge'),
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// string/array filters
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'reverse' => new Twig_Filter_Function('twig_reverse_filter', array('needs_environment' => true)),
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'length' => new Twig_Filter_Function('twig_length_filter', array('needs_environment' => true)),
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'slice' => new Twig_Filter_Function('twig_slice', array('needs_environment' => true)),
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// iteration and runtime
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'default' => new Twig_Filter_Node('Twig_Node_Expression_Filter_Default'),
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'_default' => new Twig_Filter_Function('_twig_default_filter'),
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'keys' => new Twig_Filter_Function('twig_get_array_keys_filter'),
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// escaping
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'escape' => new Twig_Filter_Function('twig_escape_filter', array('needs_environment' => true, 'is_safe_callback' => 'twig_escape_filter_is_safe')),
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'e' => new Twig_Filter_Function('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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$filters['upper'] = new Twig_Filter_Function('twig_upper_filter', array('needs_environment' => true));
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$filters['lower'] = new Twig_Filter_Function('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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/**
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* Returns a list of global functions to add to the existing list.
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*
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* @return array An array of global functions
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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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'range' => new Twig_Function_Function('range'),
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'constant' => new Twig_Function_Function('constant'),
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'cycle' => new Twig_Function_Function('twig_cycle'),
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'random' => new Twig_Function_Function('twig_random', array('needs_environment' => true)),
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'date' => new Twig_Function_Function('twig_date_converter', array('needs_environment' => true)),
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);
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}
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/**
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* Returns a list of tests to add to the existing list.
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*
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* @return array An array of tests
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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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'even' => new Twig_Test_Node('Twig_Node_Expression_Test_Even'),
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'odd' => new Twig_Test_Node('Twig_Node_Expression_Test_Odd'),
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'defined' => new Twig_Test_Node('Twig_Node_Expression_Test_Defined'),
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'sameas' => new Twig_Test_Node('Twig_Node_Expression_Test_Sameas'),
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'none' => new Twig_Test_Node('Twig_Node_Expression_Test_Null'),
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'null' => new Twig_Test_Node('Twig_Node_Expression_Test_Null'),
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'divisibleby' => new Twig_Test_Node('Twig_Node_Expression_Test_Divisibleby'),
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'constant' => new Twig_Test_Node('Twig_Node_Expression_Test_Constant'),
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'empty' => new Twig_Test_Function('twig_test_empty'),
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'iterable' => new Twig_Test_Function('twig_test_iterable'),
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);
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}
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/**
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* Returns a list of operators to add to the existing list.
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*
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* @return array An array of operators
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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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'b-and' => array('precedence' => 5, 'class' => 'Twig_Node_Expression_Binary_BitwiseAnd', 'associativity' => Twig_ExpressionParser::OPERATOR_LEFT),
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'b-xor' => array('precedence' => 5, 'class' => 'Twig_Node_Expression_Binary_BitwiseXor', 'associativity' => Twig_ExpressionParser::OPERATOR_LEFT),
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'b-or' => array('precedence' => 5, 'class' => 'Twig_Node_Expression_Binary_BitwiseOr', 'associativity' => Twig_ExpressionParser::OPERATOR_LEFT),
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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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'==' => 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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'..' => 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, 'callable' => array($this, 'parseTestExpression'), 'associativity' => Twig_ExpressionParser::OPERATOR_LEFT),
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'is not' => array('precedence' => 100, 'callable' => array($this, 'parseNotTestExpression'), '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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),
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);
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}
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public function parseNotTestExpression(Twig_Parser $parser, $node)
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{
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return new Twig_Node_Expression_Unary_Not($this->parseTestExpression($parser, $node), $parser->getCurrentToken()->getLine());
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}
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public function parseTestExpression(Twig_Parser $parser, $node)
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{
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$stream = $parser->getStream();
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$name = $stream->expect(Twig_Token::NAME_TYPE)->getValue();
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$arguments = null;
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if ($stream->test(Twig_Token::PUNCTUATION_TYPE, '(')) {
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$arguments = $parser->getExpressionParser()->parseArguments();
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}
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$class = $this->getTestNodeClass($parser->getEnvironment(), $name);
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return new $class($node, $name, $arguments, $parser->getCurrentToken()->getLine());
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}
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protected function getTestNodeClass(Twig_Environment $env, $name)
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{
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$testMap = $env->getTests();
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if (isset($testMap[$name]) && $testMap[$name] instanceof Twig_Test_Node) {
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return $testMap[$name]->getClass();
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}
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return 'Twig_Node_Expression_Test';
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}
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/**
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* Returns the name of the extension.
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*
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* @return string The extension name
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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 An array or an ArrayAccess instance
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* @param integer $i The cycle value
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*
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* @return string The next value in the cycle
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*/
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function twig_cycle($values, $i)
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{
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if (!is_array($values) && !$values instanceof ArrayAccess) {
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return $values;
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}
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return $values[$i % 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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314 |
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* @param Twig_Environment $env A Twig_Environment instance
|
315 |
|
|
* @param Traversable|array|int|string $values The values to pick a random item from
|
316 |
|
|
*
|
317 |
|
|
* @throws Twig_Error_Runtime When $values is an empty array (does not apply to an empty string which is returned as is).
|
318 |
|
|
*
|
319 |
|
|
* @return mixed A random value from the given sequence
|
320 |
|
|
*/
|
321 |
|
|
function twig_random(Twig_Environment $env, $values = null)
|
322 |
|
|
{
|
323 |
|
|
if (null === $values) {
|
324 |
|
|
return mt_rand();
|
325 |
|
|
}
|
326 |
|
|
|
327 |
|
|
if (is_int($values) || is_float($values)) {
|
328 |
|
|
return $values < 0 ? mt_rand($values, 0) : mt_rand(0, $values);
|
329 |
|
|
}
|
330 |
|
|
|
331 |
|
|
if ($values instanceof Traversable) {
|
332 |
|
|
$values = iterator_to_array($values);
|
333 |
|
|
} elseif (is_string($values)) {
|
334 |
|
|
if ('' === $values) {
|
335 |
|
|
return '';
|
336 |
|
|
}
|
337 |
|
|
if (null !== $charset = $env->getCharset()) {
|
338 |
|
|
if ('UTF-8' != $charset) {
|
339 |
|
|
$values = twig_convert_encoding($values, 'UTF-8', $charset);
|
340 |
|
|
}
|
341 |
|
|
|
342 |
|
|
// unicode version of str_split()
|
343 |
|
|
// split at all positions, but not after the start and not before the end
|
344 |
|
|
$values = preg_split('/(?<!^)(?!$)/u', $values);
|
345 |
|
|
|
346 |
|
|
if ('UTF-8' != $charset) {
|
347 |
|
|
foreach ($values as $i => $value) {
|
348 |
|
|
$values[$i] = twig_convert_encoding($value, $charset, 'UTF-8');
|
349 |
|
|
}
|
350 |
|
|
}
|
351 |
|
|
} else {
|
352 |
|
|
return $values[mt_rand(0, strlen($values) - 1)];
|
353 |
|
|
}
|
354 |
|
|
}
|
355 |
|
|
|
356 |
|
|
if (!is_array($values)) {
|
357 |
|
|
return $values;
|
358 |
|
|
}
|
359 |
|
|
|
360 |
|
|
if (0 === count($values)) {
|
361 |
|
|
throw new Twig_Error_Runtime('The random function cannot pick from an empty array.');
|
362 |
|
|
}
|
363 |
|
|
|
364 |
|
|
return $values[array_rand($values, 1)];
|
365 |
|
|
}
|
366 |
|
|
|
367 |
|
|
/**
|
368 |
|
|
* Converts a date to the given format.
|
369 |
|
|
*
|
370 |
|
|
* <pre>
|
371 |
|
|
* {{ post.published_at|date("m/d/Y") }}
|
372 |
|
|
* </pre>
|
373 |
|
|
*
|
374 |
|
|
* @param Twig_Environment $env A Twig_Environment instance
|
375 |
|
|
* @param DateTime|DateInterval|string $date A date
|
376 |
|
|
* @param string $format A format
|
377 |
|
|
* @param DateTimeZone|string $timezone A timezone
|
378 |
|
|
*
|
379 |
|
|
* @return string The formatter date
|
380 |
|
|
*/
|
381 |
|
|
function twig_date_format_filter(Twig_Environment $env, $date, $format = null, $timezone = null)
|
382 |
|
|
{
|
383 |
|
|
if (null === $format) {
|
384 |
|
|
$formats = $env->getExtension('core')->getDateFormat();
|
385 |
|
|
$format = $date instanceof DateInterval ? $formats[1] : $formats[0];
|
386 |
|
|
}
|
387 |
|
|
|
388 |
|
|
if ($date instanceof DateInterval || $date instanceof DateTime) {
|
389 |
|
|
if (null !== $timezone) {
|
390 |
|
|
$date->setTimezone($timezone instanceof DateTimeZone ? $timezone : new DateTimeZone($timezone));
|
391 |
|
|
}
|
392 |
|
|
|
393 |
|
|
return $date->format($format);
|
394 |
|
|
}
|
395 |
|
|
|
396 |
|
|
return twig_date_converter($env, $date, $timezone)->format($format);
|
397 |
|
|
}
|
398 |
|
|
|
399 |
|
|
/**
|
400 |
|
|
* Converts an input to a DateTime instance.
|
401 |
|
|
*
|
402 |
|
|
* <pre>
|
403 |
|
|
* {% if date(user.created_at) < date('+2days') %}
|
404 |
|
|
* {# do something #}
|
405 |
|
|
* {% endif %}
|
406 |
|
|
* </pre>
|
407 |
|
|
*
|
408 |
|
|
* @param Twig_Environment $env A Twig_Environment instance
|
409 |
|
|
* @param DateTime|string $date A date
|
410 |
|
|
* @param DateTimeZone|string $timezone A timezone
|
411 |
|
|
*
|
412 |
|
|
* @return DateTime A DateTime instance
|
413 |
|
|
*/
|
414 |
|
|
function twig_date_converter(Twig_Environment $env, $date = null, $timezone = null)
|
415 |
|
|
{
|
416 |
|
|
if ($date instanceof DateTime) {
|
417 |
|
|
return $date;
|
418 |
|
|
}
|
419 |
|
|
|
420 |
|
|
$asString = (string) $date;
|
421 |
|
|
|
422 |
|
|
if (ctype_digit($asString) || (!empty($asString) && '-' === $asString[0] && ctype_digit(substr($asString, 1)))) {
|
423 |
|
|
$date = new DateTime('@'.$date);
|
424 |
|
|
$date->setTimezone(new DateTimeZone(date_default_timezone_get()));
|
425 |
|
|
} else {
|
426 |
|
|
$date = new DateTime($date);
|
427 |
|
|
}
|
428 |
|
|
|
429 |
|
|
// set Timezone
|
430 |
|
|
if (null !== $timezone) {
|
431 |
|
|
if (!$timezone instanceof DateTimeZone) {
|
432 |
|
|
$timezone = new DateTimeZone($timezone);
|
433 |
|
|
}
|
434 |
|
|
|
435 |
|
|
$date->setTimezone($timezone);
|
436 |
|
|
} elseif (($timezone = $env->getExtension('core')->getTimezone()) instanceof DateTimeZone) {
|
437 |
|
|
$date->setTimezone($timezone);
|
438 |
|
|
}
|
439 |
|
|
|
440 |
|
|
return $date;
|
441 |
|
|
}
|
442 |
|
|
|
443 |
|
|
/**
|
444 |
|
|
* Number format filter.
|
445 |
|
|
*
|
446 |
|
|
* All of the formatting options can be left null, in that case the defaults will
|
447 |
|
|
* be used. Supplying any of the parameters will override the defaults set in the
|
448 |
|
|
* environment object.
|
449 |
|
|
*
|
450 |
|
|
* @param Twig_Environment $env A Twig_Environment instance
|
451 |
|
|
* @param mixed $number A float/int/string of the number to format
|
452 |
|
|
* @param int $decimal The number of decimal points to display.
|
453 |
|
|
* @param string $decimalPoint The character(s) to use for the decimal point.
|
454 |
|
|
* @param string $thousandSep The character(s) to use for the thousands separator.
|
455 |
|
|
*
|
456 |
|
|
* @return string The formatted number
|
457 |
|
|
*/
|
458 |
|
|
function twig_number_format_filter(Twig_Environment $env, $number, $decimal = null, $decimalPoint = null, $thousandSep = null)
|
459 |
|
|
{
|
460 |
|
|
$defaults = $env->getExtension('core')->getNumberFormat();
|
461 |
|
|
if (null === $decimal) {
|
462 |
|
|
$decimal = $defaults[0];
|
463 |
|
|
}
|
464 |
|
|
|
465 |
|
|
if (null === $decimalPoint) {
|
466 |
|
|
$decimalPoint = $defaults[1];
|
467 |
|
|
}
|
468 |
|
|
|
469 |
|
|
if (null === $thousandSep) {
|
470 |
|
|
$thousandSep = $defaults[2];
|
471 |
|
|
}
|
472 |
|
|
|
473 |
|
|
return number_format((float) $number, $decimal, $decimalPoint, $thousandSep);
|
474 |
|
|
}
|
475 |
|
|
|
476 |
|
|
/**
|
477 |
|
|
* URL encodes a string.
|
478 |
|
|
*
|
479 |
|
|
* @param string $url A URL
|
480 |
|
|
* @param bool $raw true to use rawurlencode() instead of urlencode
|
481 |
|
|
*
|
482 |
|
|
* @return string The URL encoded value
|
483 |
|
|
*/
|
484 |
|
|
function twig_urlencode_filter($url, $raw = false)
|
485 |
|
|
{
|
486 |
|
|
if ($raw) {
|
487 |
|
|
return rawurlencode($url);
|
488 |
|
|
}
|
489 |
|
|
|
490 |
|
|
return urlencode($url);
|
491 |
|
|
}
|
492 |
|
|
|
493 |
|
|
if (version_compare(PHP_VERSION, '5.3.0', '<')) {
|
494 |
|
|
/**
|
495 |
|
|
* JSON encodes a variable.
|
496 |
|
|
*
|
497 |
|
|
* @param mixed $value The value to encode.
|
498 |
|
|
* @param integer $options Not used on PHP 5.2.x
|
499 |
|
|
*
|
500 |
|
|
* @return mixed The JSON encoded value
|
501 |
|
|
*/
|
502 |
|
|
function twig_jsonencode_filter($value, $options = 0)
|
503 |
|
|
{
|
504 |
|
|
if ($value instanceof Twig_Markup) {
|
505 |
|
|
$value = (string) $value;
|
506 |
|
|
} elseif (is_array($value)) {
|
507 |
|
|
array_walk_recursive($value, '_twig_markup2string');
|
508 |
|
|
}
|
509 |
|
|
|
510 |
|
|
return json_encode($value);
|
511 |
|
|
}
|
512 |
|
|
} else {
|
513 |
|
|
/**
|
514 |
|
|
* JSON encodes a variable.
|
515 |
|
|
*
|
516 |
|
|
* @param mixed $value The value to encode.
|
517 |
|
|
* @param integer $options Bitmask consisting of JSON_HEX_QUOT, JSON_HEX_TAG, JSON_HEX_AMP, JSON_HEX_APOS, JSON_NUMERIC_CHECK, JSON_PRETTY_PRINT, JSON_UNESCAPED_SLASHES, JSON_FORCE_OBJECT
|
518 |
|
|
*
|
519 |
|
|
* @return mixed The JSON encoded value
|
520 |
|
|
*/
|
521 |
|
|
function twig_jsonencode_filter($value, $options = 0)
|
522 |
|
|
{
|
523 |
|
|
if ($value instanceof Twig_Markup) {
|
524 |
|
|
$value = (string) $value;
|
525 |
|
|
} elseif (is_array($value)) {
|
526 |
|
|
array_walk_recursive($value, '_twig_markup2string');
|
527 |
|
|
}
|
528 |
|
|
|
529 |
|
|
return json_encode($value, $options);
|
530 |
|
|
}
|
531 |
|
|
}
|
532 |
|
|
|
533 |
|
|
function _twig_markup2string(&$value)
|
534 |
|
|
{
|
535 |
|
|
if ($value instanceof Twig_Markup) {
|
536 |
|
|
$value = (string) $value;
|
537 |
|
|
}
|
538 |
|
|
}
|
539 |
|
|
|
540 |
|
|
/**
|
541 |
|
|
* Merges an array with another one.
|
542 |
|
|
*
|
543 |
|
|
* <pre>
|
544 |
|
|
* {% set items = { 'apple': 'fruit', 'orange': 'fruit' } %}
|
545 |
|
|
*
|
546 |
|
|
* {% set items = items|merge({ 'peugeot': 'car' }) %}
|
547 |
|
|
*
|
548 |
|
|
* {# items now contains { 'apple': 'fruit', 'orange': 'fruit', 'peugeot': 'car' } #}
|
549 |
|
|
* </pre>
|
550 |
|
|
*
|
551 |
|
|
* @param array $arr1 An array
|
552 |
|
|
* @param array $arr2 An array
|
553 |
|
|
*
|
554 |
|
|
* @return array The merged array
|
555 |
|
|
*/
|
556 |
|
|
function twig_array_merge($arr1, $arr2)
|
557 |
|
|
{
|
558 |
|
|
if (!is_array($arr1) || !is_array($arr2)) {
|
559 |
|
|
throw new Twig_Error_Runtime('The merge filter only works with arrays or hashes.');
|
560 |
|
|
}
|
561 |
|
|
|
562 |
|
|
return array_merge($arr1, $arr2);
|
563 |
|
|
}
|
564 |
|
|
|
565 |
|
|
/**
|
566 |
|
|
* Slices a variable.
|
567 |
|
|
*
|
568 |
|
|
* @param Twig_Environment $env A Twig_Environment instance
|
569 |
|
|
* @param mixed $item A variable
|
570 |
|
|
* @param integer $start Start of the slice
|
571 |
|
|
* @param integer $length Size of the slice
|
572 |
|
|
* @param Boolean $preserveKeys Whether to preserve key or not (when the input is an array)
|
573 |
|
|
*
|
574 |
|
|
* @return mixed The sliced variable
|
575 |
|
|
*/
|
576 |
|
|
function twig_slice(Twig_Environment $env, $item, $start, $length = null, $preserveKeys = false)
|
577 |
|
|
{
|
578 |
|
|
if ($item instanceof Traversable) {
|
579 |
|
|
$item = iterator_to_array($item, false);
|
580 |
|
|
}
|
581 |
|
|
|
582 |
|
|
if (is_array($item)) {
|
583 |
|
|
return array_slice($item, $start, $length, $preserveKeys);
|
584 |
|
|
}
|
585 |
|
|
|
586 |
|
|
$item = (string) $item;
|
587 |
|
|
|
588 |
|
|
if (function_exists('mb_get_info') && null !== $charset = $env->getCharset()) {
|
589 |
|
|
return mb_substr($item, $start, null === $length ? mb_strlen($item, $charset) - $start : $length, $charset);
|
590 |
|
|
}
|
591 |
|
|
|
592 |
|
|
return null === $length ? substr($item, $start) : substr($item, $start, $length);
|
593 |
|
|
}
|
594 |
|
|
|
595 |
|
|
/**
|
596 |
|
|
* Joins the values to a string.
|
597 |
|
|
*
|
598 |
|
|
* The separator between elements is an empty string per default, you can define it with the optional parameter.
|
599 |
|
|
*
|
600 |
|
|
* <pre>
|
601 |
|
|
* {{ [1, 2, 3]|join('|') }}
|
602 |
|
|
* {# returns 1|2|3 #}
|
603 |
|
|
*
|
604 |
|
|
* {{ [1, 2, 3]|join }}
|
605 |
|
|
* {# returns 123 #}
|
606 |
|
|
* </pre>
|
607 |
|
|
*
|
608 |
|
|
* @param array $value An array
|
609 |
|
|
* @param string $glue The separator
|
610 |
|
|
*
|
611 |
|
|
* @return string The concatenated string
|
612 |
|
|
*/
|
613 |
|
|
function twig_join_filter($value, $glue = '')
|
614 |
|
|
{
|
615 |
|
|
if ($value instanceof Traversable) {
|
616 |
|
|
$value = iterator_to_array($value, false);
|
617 |
|
|
}
|
618 |
|
|
|
619 |
|
|
return implode($glue, (array) $value);
|
620 |
|
|
}
|
621 |
|
|
|
622 |
|
|
// The '_default' filter is used internally to avoid using the ternary operator
|
623 |
|
|
// which costs a lot for big contexts (before PHP 5.4). So, on average,
|
624 |
|
|
// a function call is cheaper.
|
625 |
|
|
function _twig_default_filter($value, $default = '')
|
626 |
|
|
{
|
627 |
|
|
if (twig_test_empty($value)) {
|
628 |
|
|
return $default;
|
629 |
|
|
}
|
630 |
|
|
|
631 |
|
|
return $value;
|
632 |
|
|
}
|
633 |
|
|
|
634 |
|
|
/**
|
635 |
|
|
* Returns the keys for the given array.
|
636 |
|
|
*
|
637 |
|
|
* It is useful when you want to iterate over the keys of an array:
|
638 |
|
|
*
|
639 |
|
|
* <pre>
|
640 |
|
|
* {% for key in array|keys %}
|
641 |
|
|
* {# ... #}
|
642 |
|
|
* {% endfor %}
|
643 |
|
|
* </pre>
|
644 |
|
|
*
|
645 |
|
|
* @param array $array An array
|
646 |
|
|
*
|
647 |
|
|
* @return array The keys
|
648 |
|
|
*/
|
649 |
|
|
function twig_get_array_keys_filter($array)
|
650 |
|
|
{
|
651 |
|
|
if (is_object($array) && $array instanceof Traversable) {
|
652 |
|
|
return array_keys(iterator_to_array($array));
|
653 |
|
|
}
|
654 |
|
|
|
655 |
|
|
if (!is_array($array)) {
|
656 |
|
|
return array();
|
657 |
|
|
}
|
658 |
|
|
|
659 |
|
|
return array_keys($array);
|
660 |
|
|
}
|
661 |
|
|
|
662 |
|
|
/**
|
663 |
|
|
* Reverses a variable.
|
664 |
|
|
*
|
665 |
|
|
* @param Twig_Environment $env A Twig_Environment instance
|
666 |
|
|
* @param array|Traversable|string $item An array, a Traversable instance, or a string
|
667 |
|
|
* @param Boolean $preserveKeys Whether to preserve key or not
|
668 |
|
|
*
|
669 |
|
|
* @return mixed The reversed input
|
670 |
|
|
*/
|
671 |
|
|
function twig_reverse_filter(Twig_Environment $env, $item, $preserveKeys = false)
|
672 |
|
|
{
|
673 |
|
|
if (is_object($item) && $item instanceof Traversable) {
|
674 |
|
|
return array_reverse(iterator_to_array($item), $preserveKeys);
|
675 |
|
|
}
|
676 |
|
|
|
677 |
|
|
if (is_array($item)) {
|
678 |
|
|
return array_reverse($item, $preserveKeys);
|
679 |
|
|
}
|
680 |
|
|
|
681 |
|
|
if (null !== $charset = $env->getCharset()) {
|
682 |
|
|
$string = (string) $item;
|
683 |
|
|
|
684 |
|
|
if ('UTF-8' != $charset) {
|
685 |
|
|
$item = twig_convert_encoding($string, 'UTF-8', $charset);
|
686 |
|
|
}
|
687 |
|
|
|
688 |
|
|
preg_match_all('/./us', $item, $matches);
|
689 |
|
|
|
690 |
|
|
$string = implode('', array_reverse($matches[0]));
|
691 |
|
|
|
692 |
|
|
if ('UTF-8' != $charset) {
|
693 |
|
|
$string = twig_convert_encoding($string, $charset, 'UTF-8');
|
694 |
|
|
}
|
695 |
|
|
|
696 |
|
|
return $string;
|
697 |
|
|
}
|
698 |
|
|
|
699 |
|
|
return strrev((string) $item);
|
700 |
|
|
}
|
701 |
|
|
|
702 |
|
|
/**
|
703 |
|
|
* Sorts an array.
|
704 |
|
|
*
|
705 |
|
|
* @param array $array An array
|
706 |
|
|
*/
|
707 |
|
|
function twig_sort_filter($array)
|
708 |
|
|
{
|
709 |
|
|
asort($array);
|
710 |
|
|
|
711 |
|
|
return $array;
|
712 |
|
|
}
|
713 |
|
|
|
714 |
|
|
/* used internally */
|
715 |
|
|
function twig_in_filter($value, $compare)
|
716 |
|
|
{
|
717 |
|
|
if (is_array($compare)) {
|
718 |
|
|
return in_array($value, $compare);
|
719 |
|
|
} elseif (is_string($compare)) {
|
720 |
|
|
if (!strlen((string) $value)) {
|
721 |
|
|
return empty($compare);
|
722 |
|
|
}
|
723 |
|
|
|
724 |
|
|
return false !== strpos($compare, (string) $value);
|
725 |
|
|
} elseif (is_object($compare) && $compare instanceof Traversable) {
|
726 |
|
|
return in_array($value, iterator_to_array($compare, false));
|
727 |
|
|
}
|
728 |
|
|
|
729 |
|
|
return false;
|
730 |
|
|
}
|
731 |
|
|
|
732 |
|
|
/**
|
733 |
|
|
* Escapes a string.
|
734 |
|
|
*
|
735 |
|
|
* @param Twig_Environment $env A Twig_Environment instance
|
736 |
|
|
* @param string $string The value to be escaped
|
737 |
|
|
* @param string $type The escaping strategy
|
738 |
|
|
* @param string $charset The charset
|
739 |
|
|
* @param Boolean $autoescape Whether the function is called by the auto-escaping feature (true) or by the developer (false)
|
740 |
|
|
*/
|
741 |
|
|
function twig_escape_filter(Twig_Environment $env, $string, $type = 'html', $charset = null, $autoescape = false)
|
742 |
|
|
{
|
743 |
|
|
if ($autoescape && is_object($string) && $string instanceof Twig_Markup) {
|
744 |
|
|
return $string;
|
745 |
|
|
}
|
746 |
|
|
|
747 |
|
|
if (!is_string($string) && !(is_object($string) && method_exists($string, '__toString'))) {
|
748 |
|
|
return $string;
|
749 |
|
|
}
|
750 |
|
|
|
751 |
|
|
if (null === $charset) {
|
752 |
|
|
$charset = $env->getCharset();
|
753 |
|
|
}
|
754 |
|
|
|
755 |
|
|
$string = (string) $string;
|
756 |
|
|
|
757 |
|
|
switch ($type) {
|
758 |
|
|
case 'js':
|
759 |
|
|
// escape all non-alphanumeric characters
|
760 |
|
|
// into their \xHH or \uHHHH representations
|
761 |
|
|
if ('UTF-8' != $charset) {
|
762 |
|
|
$string = twig_convert_encoding($string, 'UTF-8', $charset);
|
763 |
|
|
}
|
764 |
|
|
|
765 |
|
|
if (null === $string = preg_replace_callback('#[^\p{L}\p{N} ]#u', '_twig_escape_js_callback', $string)) {
|
766 |
|
|
throw new Twig_Error_Runtime('The string to escape is not a valid UTF-8 string.');
|
767 |
|
|
}
|
768 |
|
|
|
769 |
|
|
if ('UTF-8' != $charset) {
|
770 |
|
|
$string = twig_convert_encoding($string, $charset, 'UTF-8');
|
771 |
|
|
}
|
772 |
|
|
|
773 |
|
|
return $string;
|
774 |
|
|
|
775 |
|
|
case 'html':
|
776 |
|
|
// see http://php.net/htmlspecialchars
|
777 |
|
|
|
778 |
|
|
// Using a static variable to avoid initializing the array
|
779 |
|
|
// each time the function is called. Moving the declaration on the
|
780 |
|
|
// top of the function slow downs other escaping types.
|
781 |
|
|
static $htmlspecialcharsCharsets = array(
|
782 |
|
|
'iso-8859-1' => true, 'iso8859-1' => true,
|
783 |
|
|
'iso-8859-15' => true, 'iso8859-15' => true,
|
784 |
|
|
'utf-8' => true,
|
785 |
|
|
'cp866' => true, 'ibm866' => true, '866' => true,
|
786 |
|
|
'cp1251' => true, 'windows-1251' => true, 'win-1251' => true,
|
787 |
|
|
'1251' => true,
|
788 |
|
|
'cp1252' => true, 'windows-1252' => true, '1252' => true,
|
789 |
|
|
'koi8-r' => true, 'koi8-ru' => true, 'koi8r' => true,
|
790 |
|
|
'big5' => true, '950' => true,
|
791 |
|
|
'gb2312' => true, '936' => true,
|
792 |
|
|
'big5-hkscs' => true,
|
793 |
|
|
'shift_jis' => true, 'sjis' => true, '932' => true,
|
794 |
|
|
'euc-jp' => true, 'eucjp' => true,
|
795 |
|
|
'iso8859-5' => true, 'iso-8859-5' => true, 'macroman' => true,
|
796 |
|
|
);
|
797 |
|
|
|
798 |
|
|
if (isset($htmlspecialcharsCharsets[strtolower($charset)])) {
|
799 |
|
|
return htmlspecialchars($string, ENT_QUOTES | ENT_SUBSTITUTE, $charset);
|
800 |
|
|
}
|
801 |
|
|
|
802 |
|
|
$string = twig_convert_encoding($string, 'UTF-8', $charset);
|
803 |
|
|
$string = htmlspecialchars($string, ENT_QUOTES | ENT_SUBSTITUTE, 'UTF-8');
|
804 |
|
|
|
805 |
|
|
return twig_convert_encoding($string, $charset, 'UTF-8');
|
806 |
|
|
|
807 |
|
|
default:
|
808 |
|
|
throw new Twig_Error_Runtime(sprintf('Invalid escape type "%s".', $type));
|
809 |
|
|
}
|
810 |
|
|
}
|
811 |
|
|
|
812 |
|
|
/* used internally */
|
813 |
|
|
function twig_escape_filter_is_safe(Twig_Node $filterArgs)
|
814 |
|
|
{
|
815 |
|
|
foreach ($filterArgs as $arg) {
|
816 |
|
|
if ($arg instanceof Twig_Node_Expression_Constant) {
|
817 |
|
|
return array($arg->getAttribute('value'));
|
818 |
|
|
}
|
819 |
|
|
|
820 |
|
|
return array();
|
821 |
|
|
}
|
822 |
|
|
|
823 |
|
|
return array('html');
|
824 |
|
|
}
|
825 |
|
|
|
826 |
|
|
if (function_exists('iconv')) {
|
827 |
|
|
function twig_convert_encoding($string, $to, $from)
|
828 |
|
|
{
|
829 |
|
|
return iconv($from, $to, $string);
|
830 |
|
|
}
|
831 |
|
|
} elseif (function_exists('mb_convert_encoding')) {
|
832 |
|
|
function twig_convert_encoding($string, $to, $from)
|
833 |
|
|
{
|
834 |
|
|
return mb_convert_encoding($string, $to, $from);
|
835 |
|
|
}
|
836 |
|
|
} else {
|
837 |
|
|
function twig_convert_encoding($string, $to, $from)
|
838 |
|
|
{
|
839 |
|
|
throw new Twig_Error_Runtime('No suitable convert encoding function (use UTF-8 as your encoding or install the iconv or mbstring extension).');
|
840 |
|
|
}
|
841 |
|
|
}
|
842 |
|
|
|
843 |
|
|
function _twig_escape_js_callback($matches)
|
844 |
|
|
{
|
845 |
|
|
$char = $matches[0];
|
846 |
|
|
|
847 |
|
|
// \xHH
|
848 |
|
|
if (!isset($char[1])) {
|
849 |
|
|
return '\\x'.substr('00'.bin2hex($char), -2);
|
850 |
|
|
}
|
851 |
|
|
|
852 |
|
|
// \uHHHH
|
853 |
|
|
$char = twig_convert_encoding($char, 'UTF-16BE', 'UTF-8');
|
854 |
|
|
|
855 |
|
|
return '\\u'.substr('0000'.bin2hex($char), -4);
|
856 |
|
|
}
|
857 |
|
|
|
858 |
|
|
// add multibyte extensions if possible
|
859 |
|
|
if (function_exists('mb_get_info')) {
|
860 |
|
|
/**
|
861 |
|
|
* Returns the length of a variable.
|
862 |
|
|
*
|
863 |
|
|
* @param Twig_Environment $env A Twig_Environment instance
|
864 |
|
|
* @param mixed $thing A variable
|
865 |
|
|
*
|
866 |
|
|
* @return integer The length of the value
|
867 |
|
|
*/
|
868 |
|
|
function twig_length_filter(Twig_Environment $env, $thing)
|
869 |
|
|
{
|
870 |
|
|
return is_scalar($thing) ? mb_strlen($thing, $env->getCharset()) : count($thing);
|
871 |
|
|
}
|
872 |
|
|
|
873 |
|
|
/**
|
874 |
|
|
* Converts a string to uppercase.
|
875 |
|
|
*
|
876 |
|
|
* @param Twig_Environment $env A Twig_Environment instance
|
877 |
|
|
* @param string $string A string
|
878 |
|
|
*
|
879 |
|
|
* @return string The uppercased string
|
880 |
|
|
*/
|
881 |
|
|
function twig_upper_filter(Twig_Environment $env, $string)
|
882 |
|
|
{
|
883 |
|
|
if (null !== ($charset = $env->getCharset())) {
|
884 |
|
|
return mb_strtoupper($string, $charset);
|
885 |
|
|
}
|
886 |
|
|
|
887 |
|
|
return strtoupper($string);
|
888 |
|
|
}
|
889 |
|
|
|
890 |
|
|
/**
|
891 |
|
|
* Converts a string to lowercase.
|
892 |
|
|
*
|
893 |
|
|
* @param Twig_Environment $env A Twig_Environment instance
|
894 |
|
|
* @param string $string A string
|
895 |
|
|
*
|
896 |
|
|
* @return string The lowercased string
|
897 |
|
|
*/
|
898 |
|
|
function twig_lower_filter(Twig_Environment $env, $string)
|
899 |
|
|
{
|
900 |
|
|
if (null !== ($charset = $env->getCharset())) {
|
901 |
|
|
return mb_strtolower($string, $charset);
|
902 |
|
|
}
|
903 |
|
|
|
904 |
|
|
return strtolower($string);
|
905 |
|
|
}
|
906 |
|
|
|
907 |
|
|
/**
|
908 |
|
|
* Returns a titlecased string.
|
909 |
|
|
*
|
910 |
|
|
* @param Twig_Environment $env A Twig_Environment instance
|
911 |
|
|
* @param string $string A string
|
912 |
|
|
*
|
913 |
|
|
* @return string The titlecased string
|
914 |
|
|
*/
|
915 |
|
|
function twig_title_string_filter(Twig_Environment $env, $string)
|
916 |
|
|
{
|
917 |
|
|
if (null !== ($charset = $env->getCharset())) {
|
918 |
|
|
return mb_convert_case($string, MB_CASE_TITLE, $charset);
|
919 |
|
|
}
|
920 |
|
|
|
921 |
|
|
return ucwords(strtolower($string));
|
922 |
|
|
}
|
923 |
|
|
|
924 |
|
|
/**
|
925 |
|
|
* Returns a capitalized string.
|
926 |
|
|
*
|
927 |
|
|
* @param Twig_Environment $env A Twig_Environment instance
|
928 |
|
|
* @param string $string A string
|
929 |
|
|
*
|
930 |
|
|
* @return string The capitalized string
|
931 |
|
|
*/
|
932 |
|
|
function twig_capitalize_string_filter(Twig_Environment $env, $string)
|
933 |
|
|
{
|
934 |
|
|
if (null !== ($charset = $env->getCharset())) {
|
935 |
|
|
return mb_strtoupper(mb_substr($string, 0, 1, $charset), $charset).
|
936 |
|
|
mb_strtolower(mb_substr($string, 1, mb_strlen($string, $charset), $charset), $charset);
|
937 |
|
|
}
|
938 |
|
|
|
939 |
|
|
return ucfirst(strtolower($string));
|
940 |
|
|
}
|
941 |
|
|
}
|
942 |
|
|
// and byte fallback
|
943 |
|
|
else
|
944 |
|
|
{
|
945 |
|
|
/**
|
946 |
|
|
* Returns the length of a variable.
|
947 |
|
|
*
|
948 |
|
|
* @param Twig_Environment $env A Twig_Environment instance
|
949 |
|
|
* @param mixed $thing A variable
|
950 |
|
|
*
|
951 |
|
|
* @return integer The length of the value
|
952 |
|
|
*/
|
953 |
|
|
function twig_length_filter(Twig_Environment $env, $thing)
|
954 |
|
|
{
|
955 |
|
|
return is_scalar($thing) ? strlen($thing) : count($thing);
|
956 |
|
|
}
|
957 |
|
|
|
958 |
|
|
/**
|
959 |
|
|
* Returns a titlecased string.
|
960 |
|
|
*
|
961 |
|
|
* @param Twig_Environment $env A Twig_Environment instance
|
962 |
|
|
* @param string $string A string
|
963 |
|
|
*
|
964 |
|
|
* @return string The titlecased string
|
965 |
|
|
*/
|
966 |
|
|
function twig_title_string_filter(Twig_Environment $env, $string)
|
967 |
|
|
{
|
968 |
|
|
return ucwords(strtolower($string));
|
969 |
|
|
}
|
970 |
|
|
|
971 |
|
|
/**
|
972 |
|
|
* Returns a capitalized string.
|
973 |
|
|
*
|
974 |
|
|
* @param Twig_Environment $env A Twig_Environment instance
|
975 |
|
|
* @param string $string A string
|
976 |
|
|
*
|
977 |
|
|
* @return string The capitalized string
|
978 |
|
|
*/
|
979 |
|
|
function twig_capitalize_string_filter(Twig_Environment $env, $string)
|
980 |
|
|
{
|
981 |
|
|
return ucfirst(strtolower($string));
|
982 |
|
|
}
|
983 |
|
|
}
|
984 |
|
|
|
985 |
|
|
/* used internally */
|
986 |
|
|
function twig_ensure_traversable($seq)
|
987 |
|
|
{
|
988 |
|
|
if ($seq instanceof Traversable || is_array($seq)) {
|
989 |
|
|
return $seq;
|
990 |
|
|
}
|
991 |
|
|
|
992 |
|
|
return array();
|
993 |
|
|
}
|
994 |
|
|
|
995 |
|
|
/**
|
996 |
|
|
* Checks if a variable is empty.
|
997 |
|
|
*
|
998 |
|
|
* <pre>
|
999 |
|
|
* {# evaluates to true if the foo variable is null, false, or the empty string #}
|
1000 |
|
|
* {% if foo is empty %}
|
1001 |
|
|
* {# ... #}
|
1002 |
|
|
* {% endif %}
|
1003 |
|
|
* </pre>
|
1004 |
|
|
*
|
1005 |
|
|
* @param mixed $value A variable
|
1006 |
|
|
*
|
1007 |
|
|
* @return Boolean true if the value is empty, false otherwise
|
1008 |
|
|
*/
|
1009 |
|
|
function twig_test_empty($value)
|
1010 |
|
|
{
|
1011 |
|
|
if ($value instanceof Countable) {
|
1012 |
|
|
return 0 == count($value);
|
1013 |
|
|
}
|
1014 |
|
|
|
1015 |
|
|
return false === $value || (empty($value) && '0' != $value);
|
1016 |
|
|
}
|
1017 |
|
|
|
1018 |
|
|
/**
|
1019 |
|
|
* Checks if a variable is traversable.
|
1020 |
|
|
*
|
1021 |
|
|
* <pre>
|
1022 |
|
|
* {# evaluates to true if the foo variable is an array or a traversable object #}
|
1023 |
|
|
* {% if foo is traversable %}
|
1024 |
|
|
* {# ... #}
|
1025 |
|
|
* {% endif %}
|
1026 |
|
|
* </pre>
|
1027 |
|
|
*
|
1028 |
|
|
* @param mixed $value A variable
|
1029 |
|
|
*
|
1030 |
|
|
* @return Boolean true if the value is traversable
|
1031 |
|
|
*/
|
1032 |
|
|
function twig_test_iterable($value)
|
1033 |
|
|
{
|
1034 |
|
|
return $value instanceof Traversable || is_array($value);
|
1035 |
|
|
}
|