48 lines
1,014 B
PHP
48 lines
1,014 B
PHP
--TEST--
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GH-20840 (var_dump() crash with nested objects)
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--CREDITS--
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bendrissou
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--SKIPIF--
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<?php
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if (ini_get('zend.max_allowed_stack_size') === false) {
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die('skip No stack limit support');
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}
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if (getenv('SKIP_ASAN')) {
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die('skip ASAN needs different stack limit setting due to more stack space usage');
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}
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?>
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--INI--
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zend.max_allowed_stack_size=256K
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--FILE--
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<?php
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class Node {
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public $next;
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}
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$firstNode = new Node();
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$node = $firstNode;
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for ($i = 0; $i < 50000; $i++) {
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$newNode = new Node();
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$node->next = $newNode;
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$node = $newNode;
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}
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$buffer = '';
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ob_start(function ($chunk) use (&$buffer) {
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$buffer .= $chunk;
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$buffer = preg_replace('(\s*object\(Node\)#\d+ \(\d+\) \{\s*)', '', $buffer);
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$buffer = preg_replace('(\s*\["next"\]=>\s*)', '', $buffer);
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$buffer = preg_replace('(\s*\}\s*)', '', $buffer);
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});
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var_dump($firstNode);
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ob_end_flush();
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echo $buffer;
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while ($next = $firstNode->next) {
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$firstNode->next = $next->next;
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}
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?>
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--EXPECT--
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nesting level too deep
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