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<?php $items1 = array(new stdClass()); $items2 = array(new stdClass(), new stdClass()); $items3 = array(new stdClass(), new stdClass(), new stdClass()); function doCompare($a, $b){ return $a === $b; }; $udiff1 = array_udiff($items1, $items1, 'doCompare'); $udiff2 = array_udiff($items2, $items2, 'doCompare'); $udiff3 = array_udiff($items3, $items3, 'doCompare'); var_dump($udiff1, $udiff2, $udiff3);
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/3TDgD on line 11 Deprecated: array_udiff(): Returning bool from comparison function is deprecated, return an integer less than, equal to, or greater than zero in /in/3TDgD on line 12 Deprecated: array_udiff(): Returning bool from comparison function is deprecated, return an integer less than, equal to, or greater than zero in /in/3TDgD on line 13 array(1) { [0]=> object(stdClass)#1 (0) { } } array(0) { } array(0) { }

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