PHP Learning material odds and ends _php Foundation

The verification code is used

Strtolower ($str) to lowercase

Strtoupper capitalization

When you need to send a value to this also, you can use Ajax, and many other methods,

var url = "xxx.php";
var data={};
$.post{url, Data,function () {
if (data) {
Alert (data)//will find that the pop-up data contains the values you send, as well as the entire page of the code
}
}}

if (!EMPYT ($_quest[' action ')) {
echo "1";
Executing code
}else{

}
var url = "Xxx.php?action=create";
var data={};
$.post{url, Data,function () {
if (data) {
alert (data);//This time it will only be the information you want to output.
}
}}