Building Chinese Web Sites Using PHP - Version 2.20, by Dr. Herong Yang
Steps and Components Involved
This section describes steps and application components involved in inputting non-ASCII characters through Web forms.
In order to capture input text from Web forms and display it back on Web pages properly, you need to understand how an input text is being collected by the Web browser, and delivered to the PHP engine through various application components. Here is a simplified diagram that shows the steps and application components involved in this process:
F1. Key Sequences from keyboard | |- Web browser v F2. HTTP Request | |- Web server v F3. CGI input | |- PHP engine v F4. CGI output | |- Web server v F5. HTTP response (HTML document) | |- Web browser v F6. Characters on the screen
If you decided to use UTF-8 encoding to handle non-ASCII characters, you need to make sure that all application components mentioned in the above diagram are friendly to UTF-8 encoding. See the following picture:
Last update: 2015.
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