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dadb92ea35
The only case here that might be *somewhat* sensible is the userdata argument of array_walk(), which could be used to keep persistent state between callback invokations -- with the WTF moment that the final result after the walk finishes will be unchanged. Nowdays, this is much better achieved using a closure with a use-by-reference.
19 lines
512 B
PHP
19 lines
512 B
PHP
--TEST--
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Bug #52719: array_walk_recursive crashes if third param of the function is by reference
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--FILE--
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<?php
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$array = array("hello", array("world"));
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$userdata = array();
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array_walk_recursive(
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$array,
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function ($value, $key, &$userdata) { },
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$userdata
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);
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echo "Done";
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?>
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--EXPECTF--
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Warning: {closure}(): Argument #3 ($userdata) must be passed by reference, value given in %s on line %d
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Warning: {closure}(): Argument #3 ($userdata) must be passed by reference, value given in %s on line %d
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Done
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