php 防sql注入過濾代碼

來源:互聯網
上載者:User

function phps教程ql_show($str){
 $str = stripslashes($str);
 $str = str_replace("\", "", $str);
 $str = str_replace("/", "/", $str);
 $str = str_replace(" ", " ", $str);
 $str = str_replace(",", ",", $str);
 return $str;
}
function phpsql_post($str){
 $str = stripslashes($str);
 $str = str_replace("|", "|", $str);
 $str = str_replace("<", "&#60;", $str);
 $str = str_replace(">", "&#62;", $str);
 $str = str_replace("&nbsp;", "&#32;", $str);
 $str = str_replace(" ", "&#32;", $str);
 $str = str_replace("(", "&#40;", $str);
 $str = str_replace(")", "&#41;", $str);
 $str = str_replace("`", "&#96;", $str);
 //$str = str_replace("'", "&#39;", $str);
 $str = str_replace('"', "&#34;", $str);
 $str = str_replace(",", "&#44;", $str);
 $str = str_replace("$", "&#36;", $str);
 $str = str_replace("", "&#92;", $str);
 $str = str_replace("/", "&#47;", $str);
 return $str;
}
function phpsql_replace($str){
 $str = stripslashes($str);
 $str = str_replace("'", "&#39;", $str);
 return $str;
}

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