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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.

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Course Introduction："Brothers Band Front-end Example Display Video Tutorial" introduces examples of HTML5 and CSS3 technologies to everyone, so that everyone can become more proficient in using HTML5 and CSS3.

Course Introduction：PHP realizes the generation and verification of image verification codes. In website development, in order to prevent malicious machine attacks or automatic registration, we often use image verification codes for verification. This article will introduce how to use PHP to generate and verify image verification codes, and give specific code examples. Generating an image verification code The key to generating an image verification code is to generate a random verification code string and draw it onto the image. The following is a sample code that generates an image verification code: <?phpsession_start();//

2023-09-13 comment 0  975

Course Introduction：How to use PHP to generate refreshable image verification codes. With the development of the Internet, in order to prevent malicious attacks and automatic machine operations, many websites use verification codes for user verification. One common type of verification code is the image verification code, which generates a picture containing random characters and requires the user to enter the correct characters before proceeding. This article will introduce how to use PHP to generate refreshable image verification codes and provide specific code examples. Step 1: Create a verification code image First, we need to create a verification code image

2023-09-13 comment 0  1139

Course Introduction：A PHP verification code generation code

2016-07-25 comment 0  1072

Course Introduction：A piece of code for php to generate dynamic image verification code

2016-07-25 comment 0  851

Course Introduction：PHP verification code PHP non-preset image generates verification code

2016-07-25 comment 0  1130