3v4l.org

run code in 300+ PHP versions simultaneously
<?php $input = "aa\" b \x27 c"; $sum = 0; $inputs = explode("\n", $input); for($i = 0; $i<count($inputs); $i++){ $ns = addslashes($inputs[$i]); echo preg_match("/\\^[\"]/",$ns); for($j = 0; $j<strlen($ns); $j++){ $sum++; echo $ns[$j]."|"; } if(preg_match("/\\[^\"]/",$ns)>0){ $sum+=2; } //$sum-= strlen($inputs[$i]); } echo $sum;
Output for 5.5.0 - 5.5.38, 5.6.0 - 5.6.40, 7.0.0 - 7.0.33, 7.1.0 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
0a|a|\|"| |b| |\|'| |c|11

preferences:
197.94 ms | 404 KiB | 330 Q