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run code in 150+ php & hhvm versions
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<?php $a = array( array('id' => 0, 'name' => 'foo'), array('id' => 1, 'name' => 'bar') ); $b = array( array('id' => 0, 'name' => 'foo'), array('id' => 2, 'name' => 'baz') ); $intersect = array_uintersect($a, $b, function($a, $b) { var_dump($a); var_dump($b); if ($a === $b) { return 0; } elseif ($a > $b) { return 1; } else { return -1; } }); var_dump($intersect);
Output for 7.0.0 - 7.1.0
array(2) { ["id"]=> int(0) ["name"]=> string(3) "foo" } array(2) { ["id"]=> int(1) ["name"]=> string(3) "bar" } array(2) { ["id"]=> int(0) ["name"]=> string(3) "foo" } array(2) { ["id"]=> int(2) ["name"]=> string(3) "baz" } array(2) { ["id"]=> int(0) ["name"]=> string(3) "foo" } array(2) { ["id"]=> int(0) ["name"]=> string(3) "foo" } array(2) { ["id"]=> int(0) ["name"]=> string(3) "foo" } array(2) { ["id"]=> int(1) ["name"]=> string(3) "bar" } array(2) { ["id"]=> int(1) ["name"]=> string(3) "bar" } array(2) { ["id"]=> int(2) ["name"]=> string(3) "baz" } array(1) { [0]=> array(2) { ["id"]=> int(0) ["name"]=> string(3) "foo" } }
Output for hhvm-3.10.0 - 3.12.0
array(2) { ["id"]=> int(2) ["name"]=> string(3) "baz" } array(2) { ["id"]=> int(0) ["name"]=> string(3) "foo" } array(2) { ["id"]=> int(0) ["name"]=> string(3) "foo" } array(2) { ["id"]=> int(2) ["name"]=> string(3) "baz" } array(2) { ["id"]=> int(0) ["name"]=> string(3) "foo" } array(2) { ["id"]=> int(0) ["name"]=> string(3) "foo" } array(2) { ["id"]=> int(1) ["name"]=> string(3) "bar" } array(2) { ["id"]=> int(2) ["name"]=> string(3) "baz" } array(2) { ["id"]=> int(1) ["name"]=> string(3) "bar" } array(2) { ["id"]=> int(0) ["name"]=> string(3) "foo" } array(1) { [0]=> array(2) { ["id"]=> int(0) ["name"]=> string(3) "foo" } }
Output for 5.3.0 - 5.6.28
array(2) { ["id"]=> int(1) ["name"]=> string(3) "bar" } array(2) { ["id"]=> int(0) ["name"]=> string(3) "foo" } array(2) { ["id"]=> int(2) ["name"]=> string(3) "baz" } array(2) { ["id"]=> int(0) ["name"]=> string(3) "foo" } array(2) { ["id"]=> int(0) ["name"]=> string(3) "foo" } array(2) { ["id"]=> int(0) ["name"]=> string(3) "foo" } array(2) { ["id"]=> int(0) ["name"]=> string(3) "foo" } array(2) { ["id"]=> int(1) ["name"]=> string(3) "bar" } array(2) { ["id"]=> int(1) ["name"]=> string(3) "bar" } array(2) { ["id"]=> int(2) ["name"]=> string(3) "baz" } array(1) { [0]=> array(2) { ["id"]=> int(0) ["name"]=> string(3) "foo" } }
Output for 4.4.2 - 4.4.9, 5.1.0 - 5.2.17
Parse error: syntax error, unexpected T_FUNCTION in /in/39eck on line 13
Process exited with code 255.
Output for 4.3.0 - 4.3.1, 4.3.5 - 4.4.1, 5.0.0 - 5.0.5
Parse error: parse error, unexpected T_FUNCTION in /in/39eck on line 13
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error in /in/39eck on line 13
Process exited with code 255.