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31 lines
894 B
PHP
31 lines
894 B
PHP
<?php
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/** @license MIT
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* Copyright 2017 J. King, Dustin Wilson et al.
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* See LICENSE and AUTHORS files for details */
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declare(strict_types=1);
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namespace JKingWeb\Arsse\Context;
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class ExclusionContext extends AbstractContext {
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use ExclusionMembers;
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public function __construct(?Context $parent = null) {
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$this->parent = $parent;
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}
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public function __clone() {
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// if the context was cloned because its parent was cloned, change the parent to the clone
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if ($this->parent) {
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$t = debug_backtrace(\DEBUG_BACKTRACE_IGNORE_ARGS | \DEBUG_BACKTRACE_PROVIDE_OBJECT, 2)[1];
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if (($t['object'] ?? null) instanceof Context && $t['function'] === "__clone") {
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$this->parent = $t['object'];
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}
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}
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}
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/** @codeCoverageIgnore */
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public function __destruct() {
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unset($this->parent);
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}
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}
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