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<?php $str = "1 -4 5 6 -2"; $e = ""; $m = "-"; for($i = 0, $len = strlen($str); $i < $len; $i++) { if($m == $str[$i]) { $e = $m; } else { $e = ""; } if(is_numeric($str[$i])) { $result[] = $e . $str[$i]; } } echo $result;
Output for git.master, git.master_jit, rfc.property-hooks
Warning: Array to string conversion in /in/MNIG5 on line 18 Array

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