3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php $i='4N4P19N7P1N1P2N2P'; preg_match_all('/(\d+)(\w)/',$argv[1],$m,2); $o='';foreach($m as $p)$o.=str_repeat($p[2]=='N'?'=':'-',$p[1]); //$a=str_repeat('_',$n=strlen($o=str_replace('--','- ',$o))); $a=preg_replace('/./','_',$o);//=str_replace('--','- ',$o)); echo("$a\n\n\n$o\n\n$a\n");
based on p5eLr
Output for 5.3.0 - 7.2.0
Notice: Undefined offset: 1 in /in/15geX on line 4
Output for 4.3.2 - 5.2.17
Notice: Undefined offset: 1 in /in/15geX on line 4
Output for 4.3.0 - 4.3.1
Notice: Undefined variable: argv in /in/15geX on line 4