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<?php $str = "800"; function getCombinations($array) { //initalize array $results = [[]]; //get all combinations foreach ($array as $k => $element) { foreach ($results as $combination) $results[] = $combination + [$k => $element]; } //return filtered array return array_values(array_filter($results)); } $arr = getCombinations(str_split($str, "")); foreach($arr as $v) echo implode(" ", $v) . "<br />";
Output for git.master, git.master_jit, rfc.property-hooks
Fatal error: Uncaught TypeError: str_split(): Argument #2 ($length) must be of type int, string given in /in/h0TBV:23 Stack trace: #0 /in/h0TBV(23): str_split('800', '') #1 {main} thrown in /in/h0TBV on line 23
Process exited with code 255.

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