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 Tips and short articles on this subject Static variables in PHPClean my plate, but keep my wine bottle. (PHP; Static) is there a lookup function in php? Returning multiple values from a function (Perl, PHP, Python) A better alternative to cutting and pasting code PHP - static declaration Global, Superglobal, Session variables - scope and persistance in PHP A lazy programmer is a good programmer Do not duplicate your code Don't repeat code - use loops or functions Functions and commands with dangerous names Code and code maintainance efficiency Passing information into and out of PHP functions Call by name v call by value There is a function in PHP to do that Variable Scope Well House Consultants
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If you have a piece of code that you want to share between a number of PHP web pages, write it into a function! A function is a named block of code into which you can pass a number of variables (known as parameters) and from which a result can be returned.
This topic is presented on public courses PHP Programming, Object Oriented Programming in PHP Examples from our training material
Pictures call by name and call by value - PHP
Background information
You may download this module as a sample of our material
Topics covered in this module
Global and static variables.
Loading functions from another file. Defaulting parameters. Call by value v call by name. Example. Object oriented PHP. Complete learning
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