Questions about PHP and Ajax

Questions about PHP and Ajax QT. php & lt; script & nbsp; src = "& nbsp; http://ajax.googleapis.com/ajax/libs/jquery/1.4.0/jquery.min.js" & gt; & lt;/script & gt; & lt; script about PHP and Ajax
QT. php

Script
Script
Var sendData = {
'Name': 'A ',
'Psw': 'B'
}; // Construct post data
$. Post ('ht. php', sendData, function (data) {// implement ajax
If (data. indexOf ('error ')! =-1) // data is your echo information on the php side
{
Alert ('error occurred ');
Return false;
} Else {
Alert (data );
}
});
Script


HT. php

$ Name = $ _ REQUEST ['name'];
Echo $ name;
?>

The preceding two files are available:
A qt. php
One HT. php
During my local computer lab
You can omit $ name = $ _ REQUEST ['name '];
However, this sentence must be added after the file is uploaded to the server.
Why? Php ajax:
------ Solution --------------------
You can omit $ name = $ _ REQUEST ['name '];
It indicates that your php version is very low and php runs in an extremely insecure environment.