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run code in 150+ php & hhvm versions
Bugs & Features
<?php $itemList = array( array(new stdClass), array(new stdClass, new stdClass), array(new stdClass, new stdClass, new stdClass), array(new stdClass, new stdClass, new stdClass, new stdClass) ); function doCompare($a, $b) { return ($a === $b) ? 0 : 1; }; foreach ($itemList as $item) { echo 'Comparing: '; var_dump($item); var_dump(array_udiff($item, $item, 'doCompare')); echo "\n\n"; }
based on vGCFs
Output for 5.0.0 - 5.6.28, 7.0.0 - 7.1.0
Comparing: array(1) { [0]=> object(stdClass)#1 (0) { } } array(0) { } Comparing: array(2) { [0]=> object(stdClass)#2 (0) { } [1]=> object(stdClass)#3 (0) { } } array(0) { } Comparing: array(3) { [0]=> object(stdClass)#4 (0) { } [1]=> object(stdClass)#5 (0) { } [2]=> object(stdClass)#6 (0) { } } array(0) { } Comparing: array(4) { [0]=> object(stdClass)#7 (0) { } [1]=> object(stdClass)#8 (0) { } [2]=> object(stdClass)#9 (0) { } [3]=> object(stdClass)#10 (0) { } } array(0) { }
Output for hhvm-3.10.0 - 3.12.0
Comparing: array(1) { [0]=> object(stdClass)#1 (0) { } } array(0) { } Comparing: array(2) { [0]=> object(stdClass)#2 (0) { } [1]=> object(stdClass)#3 (0) { } } array(1) { [0]=> object(stdClass)#2 (0) { } } Comparing: array(3) { [0]=> object(stdClass)#4 (0) { } [1]=> object(stdClass)#5 (0) { } [2]=> object(stdClass)#6 (0) { } } array(1) { [0]=> object(stdClass)#4 (0) { } } Comparing: array(4) { [0]=> object(stdClass)#7 (0) { } [1]=> object(stdClass)#8 (0) { } [2]=> object(stdClass)#9 (0) { } [3]=> object(stdClass)#10 (0) { } } array(2) { [0]=> object(stdClass)#7 (0) { } [2]=> object(stdClass)#9 (0) { } }
Output for 4.4.5 - 4.4.9
Comparing: array(1) { [0]=> object(stdClass)(0) { } } Fatal error: Call to undefined function: array_udiff() in /in/kq735 on line 17
Process exited with code 255.
Output for 4.3.2 - 4.4.4
Comparing: array(1) { [0]=> object(stdClass)(0) { } } Fatal error: Call to undefined function: array_udiff() in /in/kq735 on line 17
Process exited with code 255.
Output for 4.3.0 - 4.3.1
Comparing: array(1) { [0]=> object(stdClass)(0) { } } Fatal error: Call to undefined function: array_udiff() in /in/kq735 on line 17