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<?php function myfunction_key($a,$b) { if ($a===$b) { return 0; } return ($a>$b)?1:-1; } function myfunction_value($a,$b) { var_dump($a,$b); if ($a===$b) { return 0; } return ($a>$b)?1:-1; } $a1=array("a"=>"red","b"=>"green","c"=>"blue"); $a2=array("a"=>"red","b"=>"green","c"=>"green"); $result=array_udiff_uassoc($a1,$a2,,"myfunction_key","myfunction_value");die; print_r($result);
Output for 4.4.2 - 4.4.9, 5.1.0 - 5.1.6, 5.2.0 - 5.2.17, 5.3.0 - 5.3.29, 5.4.0 - 5.4.32
Parse error: syntax error, unexpected ',' in /in/o2qbZ on line 24
Process exited with code 255.
Output for 4.3.0 - 4.3.1, 4.3.5 - 4.3.11, 4.4.0 - 4.4.1, 5.0.0 - 5.0.5
Parse error: parse error, unexpected ',' in /in/o2qbZ on line 24
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error in /in/o2qbZ on line 24
Process exited with code 255.

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