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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) { 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,$a2,"myfunction_value"); print_r($result);
Output for git.master, git.master_jit, rfc.property-hooks
Fatal error: Uncaught TypeError: array_udiff_uassoc(): Argument #2 must be a valid callback, array callback must have exactly two members in /in/5LgDj:23 Stack trace: #0 /in/5LgDj(23): array_udiff_uassoc(Array, Array, 'myfunction_valu...') #1 {main} thrown in /in/5LgDj on line 23
Process exited with code 255.

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