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<?php $a= array("-----------L", "--R---------", "------------", "------------", "------------", "--M---------"); foreach ($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);
Output for 7.0.0 - 7.0.20, 7.1.0 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.4, 8.3.6
Array ( [0] => Array ( [0] => 0 [1] => 11 ) [1] => Array ( [0] => 1 [1] => 2 ) [2] => Array ( [0] => 5 [1] => 2 ) )
Output for 8.3.5
Warning: PHP Startup: Unable to load dynamic library 'sodium.so' (tried: /usr/lib/php/8.3.5/modules/sodium.so (libsodium.so.23: cannot open shared object file: No such file or directory), /usr/lib/php/8.3.5/modules/sodium.so.so (/usr/lib/php/8.3.5/modules/sodium.so.so: cannot open shared object file: No such file or directory)) in Unknown on line 0 Array ( [0] => Array ( [0] => 0 [1] => 11 ) [1] => Array ( [0] => 1 [1] => 2 ) [2] => Array ( [0] => 5 [1] => 2 ) )

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