3v4l.org

run code in 300+ PHP versions simultaneously
<?php $i='4N4P9N7P1N1P2N2P'; preg_match_all('/(\d+)(\w)/',$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");

preferences:
56.92 ms | 402 KiB | 5 Q