Course Advanced  9557

Course Introduction："PHP Development Verification Code Tutorial" will introduce how to use PHP code to create a simple verification code

Course Intermediate  11332

Course Introduction："Self-study IT Network Linux Load Balancing Video Tutorial" mainly implements Linux load balancing by performing script operations on web, lvs and Linux under nagin.

Course Advanced  17635

Course Introduction："Shangxuetang MySQL Video Tutorial" introduces you to the process from installing to using the MySQL database, and introduces the specific operations of each link in detail.

Course Introduction：This article mainly introduces a practical PHP verification code class in detail, which has certain reference value. Interested friends can refer to it.

2017-08-11 comment 0  967

Course Introduction：php verification code class php verification code

2016-07-25 comment 0  1090

Course Introduction：This article mainly introduces the use of PHP to implement the verification code class. It has certain reference value. Now I share it with you. Friends in need can refer to it.

2018-04-18 comment 0  1432

Course Introduction：This article mainly introduces a practical PHP verification code class in detail, which has certain reference value. Interested friends can refer to it.

2018-05-19 comment 0  1308

Course Introduction：Verification code is indispensable in PHP websites. It can prevent malicious registration or submission, malicious cracking of passwords, ticket fraud, forum flooding, page brushing, etc. Verification code can also reduce server pressure. Then PHP Chinese website shares 10 good ones. The PHP verification code class is available for you to download and use.

2017-05-19 comment 0  6782