- preg_match: documentation ( source)
- addslashes: documentation ( source)
- explode: documentation ( source)
<?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;