header content type image png not working in php

Using PHP to create images is a fairly easy thing to do. As long as you install some Third-party library files and have some knowledge of geometry, you can use PHP to create and process images. PHP currently uses the GD library to process images.

PHP is not limited to creating HTML output, it can also create and process images in a variety of formats including GIF, PNG, JPEG, WBMP, and XPM. More conveniently, PHP can directly output the image data stream to the browser. To use the image

After installing some third-party libraries, you can quickly use PHP to create and process images with graphics processing skills. In fact, you don't need a lot of geometry--because I flunked this course in high school and now I can use PHP to

Introduction: This is a detailed page of the PHP open-source project. It introduces related knowledge, skills, experiences, and some PHP source code. Class = 'pingjiaf' frameborder = '0' src = 'HTTP: // biancheng.dnbc?info/pingjia.php? Id = 335089

Whether you use PHP to open the browser cache or use the APACHE,IIS server environment to configure we will be for the browser Cache-control to operate, let me introduce you to PHP settings picture browser cache Cache-control Cache-control is the

Create After installing some third-party libraries, you can quickly use PHP to create and process images with graphics processing skills. In fact, you don't need a lot of geometry--because I flunked this course in high school and now I can use PHP

It is very easy to teach to improve the quality of php code by 36. 1. do not use relative paths. you will often see: require_once (... libsome_class.php). This method has many disadvantages: it first looks for the specified php inclusion path and

English Original: http://developer.yahoo.com/performance/rules.htmlChinese Original: http://www.ha97.com/2710.html1. Minimize the number of HTTP requests 80% of the end-user response time is used to download the content. This part of the time

The Yahoo team summarizes the experience of website performance optimization, which is of great reference value.English Original: http://developer.yahoo.com/performance/rules.html1. Minimize the number of HTTP requests 80% of the end-user response

Yahoo Team experience: Site page performance optimization of the 34 golden rule1. Minimize the number of HTTP requests (make fewer HTTP requests)80% of the end-user response time is used to download the content. This part of the time includes images