PHP graphics Verification code generation and application including Ajax verification Instance (_php) tutorial

PHP graphics code generation codes and including Ajax verification instance application previously written verification code program is to provide the source code, but no real real graphics verification code generated to the verification instance, this time we have a complete PHP validation instance generated.

PHP Tutorial graphical CAPTCHA code generation and application including Ajax validation instance
Previously written verification code program is to provide the source code, but no real real graphics verification code generated to the verification instance, this time we have a complete example of PHP validation.

There are 3 files:
authcode.php-----Verification Code generated PHP file
authcode.html-----Front Desk Show page
Dealauthcode.php-----Ajax submitted to the background processing to determine whether the correct Code processing page
*/
?>

The foreground calls the CAPTCHA code

Verification Code AJAX Verification






I can't see it clearly, for another one!
Verification Code:

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