<!DOCTYPE html> <html> <body> <?php $str = "Welcome to Shanghai!"; echo $str."<br>"; echo addcslashes($str,'a')."<br>"; echo addcslashes($str,'S')."<br>"; ?> </body> </html>
<?php $str = "Welcome to Shanghai!"; echo $str."<br>"; echo addcslashes($str,'a')."<br>"; echo addcslashes($str,'S')."<br>"; ?>