3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php $samp = "This is an . examp-le0 tex' 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 - 7.3.0rc4
Fatal error: Uncaught Error: [] operator not supported for strings in /in/mNeb2:12 Stack trace: #0 {main} thrown in /in/mNeb2 on line 12
Process exited with code 255.
Output for 4.3.0 - 7.0.20
Array ( [0] => This is an [1] => is an . [2] => an . examp-le0 [3] => . examp-le0 tex' [4] => examp-le0 tex' using [5] => tex' using & [6] => using & my [7] => & my ' [8] => my ' - [9] => ' - / [10] => - / Regex [11] => / Regex expression )