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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.
22 lines
494 B
PHP
22 lines
494 B
PHP
--TEST--
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Fix UMR in array_user_key_compare (MOPB24)
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--FILE--
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<?php
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$arr = array("A" => 1, "B" => 1);
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function array_compare(&$key1, &$key2)
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{
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$GLOBALS['a'] = &$key2;
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unset($key2);
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return 1;
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}
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uksort($arr, "array_compare");
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var_dump($a);
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?>
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--EXPECTF--
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Warning: array_compare(): Argument #1 ($key1) must be passed by reference, value given in %s on line %d
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Warning: array_compare(): Argument #2 ($key2) must be passed by reference, value given in %s on line %d
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string(1) "B"
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