3v4l.org

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<?php $a= array("------------", "------------", "-L----------", "------------", "------------", "------------"); foreach ($a as $k => $v) { if ($p = strpos($v, 'L')) { $res[] = [$k, $p]; } if ($p = strpos($v, 'M')) { $res[] = [$k, $p]; } if ($p = strpos($v, 'R')) { $res[] = [$k, $p]; } } print_r($res);

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54 ms | 402 KiB | 5 Q