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<?php $array = array( 'A' => array(1, 2, 3, 4), 'B' => array(5, 6), 'C' => array('a', 'b', 'c')); $values=""; $val = array(); function makeCombinations($array,$values){ foreach($array as $value) { if(is_array($value)) makeCombinations($value,$values); else array_push($val,$value); } } makeCombinations($array,$values); print_r($val); //echo $values;
Output for git.master, git.master_jit, rfc.property-hooks
Fatal error: Uncaught TypeError: array_push(): Argument #1 ($array) must be of type array, null given in /in/NYWIf:11 Stack trace: #0 /in/NYWIf(11): array_push(NULL, 1) #1 /in/NYWIf(9): makeCombinations(Array, '') #2 /in/NYWIf(14): makeCombinations(Array, '') #3 {main} thrown in /in/NYWIf on line 11
Process exited with code 255.

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