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<?php $a = array("a" => "apple", "orange", "peach", "orange"); $a = array("b" => "apple", "banana", "orange"); $r = array_diff($a, $b); print_r($r);
Output for git.master, git.master_jit, rfc.property-hooks
Warning: Undefined variable $b in /in/WSRmt on line 6 Fatal error: Uncaught TypeError: array_diff(): Argument #2 must be of type array, null given in /in/WSRmt:6 Stack trace: #0 /in/WSRmt(6): array_diff(Array, NULL) #1 {main} thrown in /in/WSRmt on line 6
Process exited with code 255.

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