3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php $samp = "This is an . examp-le0 tex't using & my '- ' - / Regex expression"; $samp = preg_replace('/[^A-Z0-9 ]+[^A-Z0-9\'-]/i', "", $samp); $samp = str_replace(" "," ",$samp); $jk = explode(" ",$samp); $i = sizeof($jk); $j = 0; $array=""; for($j=0;$j<$i-2;$j++) { $array[] = $jk[$j]." ".$jk[$j+1]." ".$jk[$j+2]; } print_r($array);
Output for 7.1.0
Fatal error: Uncaught Error: [] operator not supported for strings in /in/PFJBQ:12 Stack trace: #0 {main} thrown in /in/PFJBQ on line 12
Process exited with code 255.
Output for 4.3.0 - 5.6.28, hhvm-3.10.0 - 3.12.0, 7.0.0 - 7.0.14
Array ( [0] => This is an [1] => is an examp-le0 [2] => an examp-le0 tex't [3] => examp-le0 tex't using [4] => tex't using my [5] => using my Regex [6] => my Regex expression )