Php: save data code-PHP source code

Let's use php to save data. Let's take a look and filter out invalid characters and various features to prevent repeated content Sending. We use php to save data. Let's take a look, filter invalid characters and various features to prevent repeated content Sending

Script ec (2); script

Include_once ("inc/connect. php ");
Stop_outside_post ();
$ Email = php_sava (addslashes (isset ($ _ POST ['email '])? $ _ POST ['email ']: '');
$ Mobile = php_sava (addslashes (isset ($ _ POST ['mobile'])? $ _ POST ['mobile']: '');
$ Name = php_sava (addslashes (isset ($ _ POST ['name'])? $ _ POST ['name']: '');
$ An = php_sava (addslashes (isset ($ _ POST ['any'])? $ _ POST ['any']: '');
$ Ip = get_real_ip ();
$ Time = date ("Y-m-d ");
If (empty ($ mobile) | empty ($ email) | empty ($ name) | empty ($ )){
Die ('submit = false ');
} Else {
$ Tsql = "Select * from lzlj_an where ip = '$ ip '";
$ R = mysql_query ($ tsql );
If (mysql_num_rows ($ r )){
Die ('submit = false ');
} Else {
$ SQL = "Insert into lzlj_an (mobile, email, name, an, ip, dtime) value ('$ mobile', '$ email', '$ name ', '$ any',' $ ip', '$ Time ')";
Mysql_query ($ SQL) or die ('submit = false ');
Die ('submit = true ');
}
}

Function php_sava ($ str)
{
$ Farr = array (
"/S + /",
"/<(/?) (Script | I? Frame | style | html | body | title | link | meta |? | %) ([^>] *?)> /IsU ",
"/(<[^>] *) On [a-zA-Z] + s * = ([^>] *>)/isU ",

);
$ Tarr = array (
"",
"<\ 1 \ 2 \ 3>", // If You Want To directly clear insecure labels, leave it blank.
"\ 1 \ 2 ",
);

$ Str = preg_replace ($ farr, $ tarr, $ str );
Return $ str;
}

Function stop_outside_post (){
$ ServerName = @ $ _ SERVER ['server _ name'];
$ Sub_from = @ $ _ SERVER ["HTTP_REFERER"];
$ Sub_len = strlen ($ ServerName );
$ Checkfrom = substr ($ Sub_from, 7, $ Sub_len );
If ($ Checkfrom! = $ ServerName ){
Die ("warning! You are submitting data from outside or directly accessing the c. php file! Please terminate now !! ");
}
}

Function get_real_ip (){
$ Ip = false;
If (! Empty ($ _ SERVER ["HTTP_CLIENT_IP"]) {
$ Ip = $ _ SERVER ["HTTP_CLIENT_IP"];
}
If (! Empty ($ _ SERVER ['HTTP _ X_FORWARDED_FOR ']) {
$ Ips = explode (",", $ _ SERVER ['HTTP _ X_FORWARDED_FOR ']);
If ($ ip) {array_unshift ($ ips, $ ip); $ ip = FALSE ;}
For ($ I = 0; $ I <count ($ ips); $ I ++ ){
If (! Eregi ("^ (10 | 172.16 | 192.168).", $ ips [$ I]) {
$ Ip = $ ips [$ I];
Break;
}
}
}
Return ($ ip? $ Ip: $ _ SERVER ['remote _ ADDR ']);
}
?>
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