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<?php $array1 = array(1,2,2,2,2,3,4,5,6,7); $array2 = array(3,4,2,2,2,7,8,9,10); foreach($array1 as $value) { if (in_array($value,$array2) && !in_array($value,$output["greens"])) { $output["greens"][]=$value; } else { $output["reds"][]=$value; } } print_r($output);
Output for git.master, git.master_jit, rfc.property-hooks
Warning: Undefined array key "greens" in /in/9BO7N on line 7 Fatal error: Uncaught TypeError: in_array(): Argument #2 ($haystack) must be of type array, null given in /in/9BO7N:7 Stack trace: #0 /in/9BO7N(7): in_array(2, NULL) #1 {main} thrown in /in/9BO7N on line 7
Process exited with code 255.

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