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<?php |
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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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namespace ElementorDeps\Twig\NodeVisitor; |
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|
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use ElementorDeps\Twig\Environment; |
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use ElementorDeps\Twig\Node\Node; |
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/** |
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* Used to make node visitors compatible with Twig 1.x and 2.x. |
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* |
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* @author Fabien Potencier <fabien@symfony.com> |
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* |
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* @deprecated since 3.9 (to be removed in 4.0) |
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*/ |
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abstract class AbstractNodeVisitor implements NodeVisitorInterface |
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{ |
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public final function enterNode(Node $node, Environment $env) : Node |
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{ |
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return $this->doEnterNode($node, $env); |
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} |
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public final function leaveNode(Node $node, Environment $env) : ?Node |
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{ |
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return $this->doLeaveNode($node, $env); |
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} |
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/** |
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* Called before child nodes are visited. |
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* |
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* @return Node The modified node |
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*/ |
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protected abstract function doEnterNode(Node $node, Environment $env); |
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/** |
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* Called after child nodes are visited. |
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* |
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* @return Node|null The modified node or null if the node must be removed |
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*/ |
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protected abstract function doLeaveNode(Node $node, Environment $env); |
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} |
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