PHP graphic verification code generation code and application including Ajax verification example (1/2)_PHP tutorial

PHP graphic verification code generation code and application including Ajax verification example The verification code programs written before all provided source code, but there was no real graphical verification code generated into the verification instance. This time we generated a complete PHP verification instance.

PHP tutorial graphic verification code generation code and ajax verification example application
The verification code programs written before all provided source code, but there was no real graphical verification code generated into the verification instance. This time we generated a complete PHP verification instance.

There are 3 files:
authcode.php-----Verification code generation php file
authcode.html-----front-end display page
dealauthcode.php-----The background processing page submitted by ajax to determine whether the verification code is correct
*/
?>

Call the verification code code at the front desk

Can’t see clearly? Change it!

Verification code:

1 2



http://www.bkjia.com/PHPjc/633035.html

www.bkjia.com

true

http: //www.bkjia.com/PHPjc/633035.html

TechArticlePHP graphic verification code generation code and the verification code program written before including Ajax verification example application are provided with source code , but no real graphical verification code is generated to the verification instance. This time I...