Cleaning Variables in PHP

It’s always important to clean/sanitize variables that are submitted via web forms to prevent against all kinds of different malicious threat. Here is a complete function to clean your variables before use. function clean($value) {    // If magic quotes not turned on add slashes.    if(!get_magic_quotes_gpc())    // Adds the slashes.    { $value = addslashes($value); }    // Strip any tags from the value.    $value = strip_tags($value);    // Return the value out of the function.    return $value; } $sample = “<a href=’#'>This a test</a>”; $sample = clean($sample); echo $sample;