<?php

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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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* (c) Armin Ronacher

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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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namespace WPML\Core\Twig;

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use WPML\Core\Twig\Node\ModuleNode;

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/**

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* Compiles a node to PHP code.

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*

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* @author Fabien Potencier <fabien@symfony.com>

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*/

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class Compiler implements \WPML\Core\Twig_CompilerInterface

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{

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protected $lastLine;

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protected $source;

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protected $indentation;

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protected $env;

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protected $debugInfo = [];

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protected $sourceOffset;

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protected $sourceLine;

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protected $filename;

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private $varNameSalt = 0;

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public function __construct(\WPML\Core\Twig\Environment $env)

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{

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$this->env = $env;

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}

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/**

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* @deprecated since 1.25 (to be removed in 2.0)

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*/

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public function getFilename()

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{

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@\trigger_error(\sprintf('The %s() method is deprecated since version 1.25 and will be removed in 2.0.', __FUNCTION__), \E_USER_DEPRECATED);

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return $this->filename;

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}

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/**

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* Returns the environment instance related to this compiler.

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*

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* @return Environment

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*/

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public function getEnvironment()

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{

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return $this->env;

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}

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/**

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* Gets the current PHP code after compilation.

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*

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* @return string The PHP code

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*/

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public function getSource()

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{

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return $this->source;

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}

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/**

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* Compiles a node.

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*

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* @param int $indentation The current indentation

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*

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* @return $this

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*/

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public function compile(\WPML\Core\Twig_NodeInterface $node, $indentation = 0)

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{

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$this->lastLine = null;

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$this->source = '';

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$this->debugInfo = [];

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$this->sourceOffset = 0;

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// source code starts at 1 (as we then increment it when we encounter new lines)

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$this->sourceLine = 1;

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$this->indentation = $indentation;

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$this->varNameSalt = 0;

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if ($node instanceof \WPML\Core\Twig\Node\ModuleNode) {

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// to be removed in 2.0

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$this->filename = $node->getTemplateName();

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}

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$node->compile($this);

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return $this;

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}

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public function subcompile(\WPML\Core\Twig_NodeInterface $node, $raw = \true)

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{

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if (\false === $raw) {

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$this->source .= \str_repeat(' ', $this->indentation * 4);

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}

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$node->compile($this);

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return $this;

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}

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/**

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* Adds a raw string to the compiled code.

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*

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* @param string $string The string

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*

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* @return $this

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*/

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public function raw($string)

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{

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$this->source .= $string;

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return $this;

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}

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/**

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* Writes a string to the compiled code by adding indentation.

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*

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* @return $this

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*/

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public function write()

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{

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$strings = \func_get_args();

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foreach ($strings as $string) {

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$this->source .= \str_repeat(' ', $this->indentation * 4) . $string;

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}

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return $this;

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}

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/**

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* Appends an indentation to the current PHP code after compilation.

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*

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* @return $this

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*

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* @deprecated since 1.27 (to be removed in 2.0).

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*/

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public function addIndentation()

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{

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@\trigger_error('The ' . __METHOD__ . ' method is deprecated since version 1.27 and will be removed in 2.0. Use write(\'\') instead.', \E_USER_DEPRECATED);

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$this->source .= \str_repeat(' ', $this->indentation * 4);

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return $this;

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}

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/**

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* Adds a quoted string to the compiled code.

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*

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* @param string $value The string

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*

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* @return $this

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*/

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public function string($value)

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{

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$this->source .= \sprintf('"%s"', \addcslashes($value, "\0\t\"\$\\"));

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return $this;

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}

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/**

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* Returns a PHP representation of a given value.

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*

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* @param mixed $value The value to convert

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*

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* @return $this

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*/

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public function repr($value)

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{

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if (\is_int($value) || \is_float($value)) {

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if (\false !== ($locale = \setlocale(\LC_NUMERIC, '0'))) {

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\setlocale(\LC_NUMERIC, 'C');

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}

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$this->raw(\var_export($value, \true));

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if (\false !== $locale) {

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\setlocale(\LC_NUMERIC, $locale);

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}

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} elseif (null === $value) {

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$this->raw('null');

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} elseif (\is_bool($value)) {

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$this->raw($value ? 'true' : 'false');

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} elseif (\is_array($value)) {

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$this->raw('[');

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$first = \true;

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foreach ($value as $key => $v) {

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if (!$first) {

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$this->raw(', ');

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}

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$first = \false;

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$this->repr($key);

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$this->raw(' => ');

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$this->repr($v);

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}

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$this->raw(']');

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} else {

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$this->string($value);

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}

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return $this;

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}

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/**

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* Adds debugging information.

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*

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* @return $this

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*/

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public function addDebugInfo(\WPML\Core\Twig_NodeInterface $node)

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{

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if ($node->getTemplateLine() != $this->lastLine) {

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$this->write(\sprintf("// line %d\n", $node->getTemplateLine()));

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// when mbstring.func_overload is set to 2

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// mb_substr_count() replaces substr_count()

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// but they have different signatures!

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if ((int) \ini_get('mbstring.func_overload') & 2) {

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@\trigger_error('Support for having "mbstring.func_overload" different from 0 is deprecated version 1.29 and will be removed in 2.0.', \E_USER_DEPRECATED);

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// this is much slower than the "right" version

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$this->sourceLine += \mb_substr_count(\mb_substr($this->source, $this->sourceOffset), "\n");

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} else {

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$this->sourceLine += \substr_count($this->source, "\n", $this->sourceOffset);

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}

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$this->sourceOffset = \strlen($this->source);

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$this->debugInfo[$this->sourceLine] = $node->getTemplateLine();

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$this->lastLine = $node->getTemplateLine();

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}

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return $this;

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}

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public function getDebugInfo()

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{

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\ksort($this->debugInfo);

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return $this->debugInfo;

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}

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/**

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* Indents the generated code.

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*

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* @param int $step The number of indentation to add

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*

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* @return $this

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*/

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public function indent($step = 1)

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{

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$this->indentation += $step;

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return $this;

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}

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/**

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* Outdents the generated code.

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*

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* @param int $step The number of indentation to remove

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*

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* @return $this

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*

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* @throws \LogicException When trying to outdent too much so the indentation would become negative

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*/

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public function outdent($step = 1)

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{

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// can't outdent by more steps than the current indentation level

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if ($this->indentation < $step) {

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throw new \LogicException('Unable to call outdent() as the indentation would become negative.');

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}

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$this->indentation -= $step;

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return $this;

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}

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public function getVarName()

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{

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return \sprintf('__internal_%s', \hash('sha256', __METHOD__ . $this->varNameSalt++));

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}

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}

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\class_alias('WPML\\Core\\Twig\\Compiler', 'WPML\\Core\\Twig_Compiler');

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