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e97577edde
By making sure that we always first increment the refcount of the new value before we destroy the old one.
19 lines
297 B
PHP
19 lines
297 B
PHP
--TEST--
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Bug #77793: Segmentation fault in extract() when overwriting reference with itself
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--FILE--
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<?php
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$str = 'foo';
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$vars = ['var' => $str . 'bar'];
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$var = &$vars['var'];
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extract($vars);
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var_dump($vars, $var);
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?>
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--EXPECT--
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array(1) {
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["var"]=>
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&string(6) "foobar"
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}
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string(6) "foobar"
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