PHP Basic Tutorial PHP function

This section for you to introduce the functions in PHP, the function in the process programming or object-oriented programming (method), are very important, it is recommended that we firmly grasp. 1, function, is a set of program instructions to complete a function. Can be divided into custom functions and system functions (see PHP Functions in PHP documentation). 2. Define the function: Function name (argument list) {statement//method (function Body) return//Return value} The argument list can be multiple parameter arguments, type is supported in PHP for any type of function name is underlined, the letter starts with a function name that is not case sensitive Example 1, 3, the function in the PHP page calls the project, basically uses the require_once reference. (require_once ' xx.php '). Thank you for your attention to the PHP introductory tutorial, this series of basic PHP tutorial will help PHP novice friends, quickly master the language of PHP programming. The programmer's home will continue to introduce PHP-related tutorials For everyone, I wish you all the progress of learning!

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