- substr: documentation ( source)
- strpos: documentation ( source)
- htmlentities: documentation ( source)
- preg_replace: documentation ( source)
<?php
$srch = substr("echo phpinfo();echo 'apple'\\e", 0, -1);
echo $srch;echo "\n";
$search = htmlentities($srch);
echo $search; echo "\n";
if (strpos($search, 'apple') !== false){
echo "in the if!\n";
echo preg_replace("/".$search."/", $search." <img src='".$search.".png'>", "apple");
};
?>