How to open GD library in php?
What is the GD library used for? It is an extension library for PHP to process graphics. The GD library provides a series of APIs for processing pictures. You can use the GD library to process pictures or generate pictures. The GD library is not enabled by default in PHP. If you want it to support image processing functions, you must manually enable the GD library.
Find the php.ini file. There are two methods:
1. Method 1: Find the path wamp\bin\mysql\mysql5.5.24\php.ini in the wampserver installation directory (the root directory of my installation is the D drive)
2. Method 2: Start wampserver, click the wamp icon on the taskbar, select PHP, and see php.ini, Click to enter the php.ini file
3. Open the php.ini file
4. Use the search tool to find extension=php_gd2.dll, and replace the [;] in front of extension=php_gd2.dll, just like it
5. Test whether the GD library can be used, the code is as follows:
6. You can use the GD library to run the renderings
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