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<?php $itemList = array( array(0), array(1), array(0,1), array(0,1,2,3,4), array(new stdClass), array(new stdClass, new stdClass), array(new stdClass, new stdClass, new stdClass) ); function doCompare($a, $b) { echo 'A: '; var_dump($a); echo 'B: '; var_dump($b); return $a === $b; }; foreach ($itemList as $item) { 'Comparing: '; var_dump($item); var_dump(array_udiff($item, $item, 'doCompare')); echo PHP_EOL.PHP_EOL.PHP_EOL; }
Output for git.master, git.master_jit, rfc.property-hooks
array(1) { [0]=> int(0) } A: int(0) B: int(0) Deprecated: array_udiff(): Returning bool from comparison function is deprecated, return an integer less than, equal to, or greater than zero in /in/9n3Jb on line 25 array(1) { [0]=> int(0) } array(1) { [0]=> int(1) } A: int(1) B: int(1) Deprecated: array_udiff(): Returning bool from comparison function is deprecated, return an integer less than, equal to, or greater than zero in /in/9n3Jb on line 25 array(1) { [0]=> int(1) } array(2) { [0]=> int(0) [1]=> int(1) } A: int(0) B: int(1) Deprecated: array_udiff(): Returning bool from comparison function is deprecated, return an integer less than, equal to, or greater than zero in /in/9n3Jb on line 25 A: int(1) B: int(0) A: int(0) B: int(1) A: int(1) B: int(0) A: int(0) B: int(0) A: int(0) B: int(1) A: int(1) B: int(0) A: int(0) B: int(1) A: int(1) B: int(0) array(0) { } array(5) { [0]=> int(0) [1]=> int(1) [2]=> int(2) [3]=> int(3) [4]=> int(4) } A: int(0) B: int(1) Deprecated: array_udiff(): Returning bool from comparison function is deprecated, return an integer less than, equal to, or greater than zero in /in/9n3Jb on line 25 A: int(1) B: int(0) A: int(1) B: int(2) A: int(2) B: int(1) A: int(2) B: int(3) A: int(3) B: int(2) A: int(3) B: int(4) A: int(4) B: int(3) A: int(0) B: int(1) A: int(1) B: int(0) A: int(1) B: int(2) A: int(2) B: int(1) A: int(2) B: int(3) A: int(3) B: int(2) A: int(3) B: int(4) A: int(4) B: int(3) A: int(0) B: int(0) A: int(0) B: int(1) A: int(1) B: int(0) A: int(0) B: int(1) A: int(1) B: int(0) A: int(1) B: int(2) A: int(2) B: int(1) A: int(2) B: int(3) A: int(3) B: int(2) A: int(3) B: int(4) A: int(4) B: int(3) array(0) { } array(1) { [0]=> object(stdClass)#1 (0) { } } A: object(stdClass)#1 (0) { } B: object(stdClass)#1 (0) { } Deprecated: array_udiff(): Returning bool from comparison function is deprecated, return an integer less than, equal to, or greater than zero in /in/9n3Jb on line 25 array(1) { [0]=> object(stdClass)#1 (0) { } } array(2) { [0]=> object(stdClass)#2 (0) { } [1]=> object(stdClass)#3 (0) { } } A: object(stdClass)#2 (0) { } B: object(stdClass)#3 (0) { } Deprecated: array_udiff(): Returning bool from comparison function is deprecated, return an integer less than, equal to, or greater than zero in /in/9n3Jb on line 25 A: object(stdClass)#3 (0) { } B: object(stdClass)#2 (0) { } A: object(stdClass)#2 (0) { } B: object(stdClass)#3 (0) { } A: object(stdClass)#3 (0) { } B: object(stdClass)#2 (0) { } A: object(stdClass)#2 (0) { } B: object(stdClass)#2 (0) { } A: object(stdClass)#2 (0) { } B: object(stdClass)#3 (0) { } A: object(stdClass)#3 (0) { } B: object(stdClass)#2 (0) { } A: object(stdClass)#2 (0) { } B: object(stdClass)#3 (0) { } A: object(stdClass)#3 (0) { } B: object(stdClass)#2 (0) { } array(0) { } array(3) { [0]=> object(stdClass)#4 (0) { } [1]=> object(stdClass)#5 (0) { } [2]=> object(stdClass)#6 (0) { } } A: object(stdClass)#4 (0) { } B: object(stdClass)#5 (0) { } Deprecated: array_udiff(): Returning bool from comparison function is deprecated, return an integer less than, equal to, or greater than zero in /in/9n3Jb on line 25 A: object(stdClass)#5 (0) { } B: object(stdClass)#4 (0) { } A: object(stdClass)#5 (0) { } B: object(stdClass)#6 (0) { } A: object(stdClass)#6 (0) { } B: object(stdClass)#5 (0) { } A: object(stdClass)#4 (0) { } B: object(stdClass)#5 (0) { } A: object(stdClass)#5 (0) { } B: object(stdClass)#4 (0) { } A: object(stdClass)#5 (0) { } B: object(stdClass)#6 (0) { } A: object(stdClass)#6 (0) { } B: object(stdClass)#5 (0) { } A: object(stdClass)#4 (0) { } B: object(stdClass)#4 (0) { } A: object(stdClass)#4 (0) { } B: object(stdClass)#5 (0) { } A: object(stdClass)#5 (0) { } B: object(stdClass)#4 (0) { } A: object(stdClass)#4 (0) { } B: object(stdClass)#5 (0) { } A: object(stdClass)#5 (0) { } B: object(stdClass)#4 (0) { } A: object(stdClass)#5 (0) { } B: object(stdClass)#6 (0) { } A: object(stdClass)#6 (0) { } B: object(stdClass)#5 (0) { } array(0) { }

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