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<?php $items = array(new \stdClass(), new \stdClass()); $compare = function ($a, $b) { return $a === $b; }; $udiff = array_udiff($items, $items, $compare); var_dump($udiff); array_unshift($items, new stdClass()); $udiff = array_udiff($items, $items, $compare); var_dump($udiff); array_pop($items); $udiff = array_udiff($items, $items, $compare); var_dump($udiff);
Output for git.master, git.master_jit, rfc.property-hooks
Deprecated: array_udiff(): Returning bool from comparison function is deprecated, return an integer less than, equal to, or greater than zero in /in/AepO6 on line 9 array(0) { } Deprecated: array_udiff(): Returning bool from comparison function is deprecated, return an integer less than, equal to, or greater than zero in /in/AepO6 on line 14 array(0) { } Deprecated: array_udiff(): Returning bool from comparison function is deprecated, return an integer less than, equal to, or greater than zero in /in/AepO6 on line 19 array(0) { }

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