3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php $i='4N4P9N7P1N1P2N2P'; print_r(preg_split('/(?=\d)/',$i)); exit(); preg_match_all('/(\d+)(\w)/',$i,$m,2); foreach($m as $p)$o.=str_repeat($p[2]=='N'?'=':'-',$p[1]); $a=str_repeat('_',$n=strlen($o=str_replace('--','- ',$o))); echo("$a\n\n\n$o\n\n$a\n");
based on IirpZ
Output for 4.3.0 - 7.2.0
Array ( [0] => [1] => 4N [2] => 4P [3] => 9N [4] => 7P [5] => 1N [6] => 1P [7] => 2N [8] => 2P )