Escape functions in PHP

<?PHPParse_urlParse the URL,return to each componentUrlEncode/UrlDecodeURL encoding/decodinghtmlentitiesConvert A string to an HTML entityhtmlentities($str,$key)    $key:Ent_compat Convert double quotes only, default ent_quotes convert single double quotes ent_noquotes do not convert any symbolsHtmlspecialchars($str,$key) HTML entity conversion, similar to Htmlentities,parameters are the same as Htmlentities Htmlspecialchars_decode HTML entities to HTML codeaddslashes() Add a backslash before a predefined stringGET_MAGIC_QUOTES_GPC() Get PHP.INI in MAGIC_QUOTES_GPC, return bool typestripslashesRemove the backslash before the escape string, as opposed to addslashes

Strip_tags ($str) Remove the tags from HTML xml php
Strip_tags ($str, $tags), optionally the second parameter is the label to keep

Escape functions in PHP