- strpos: documentation ( source)
- print_r: documentation ( source)
<?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);