How to write php function

Defining and Using Functions in PHP. Functions will not be executed until you write some code to do so. To invoke the sample function, you would use a statement like this: Another PHP PHP User Defined Functions. Besides the builtin PHP functions, we can create our own functions. A function is a block of statements that can be used repeatedly in a program. A function will not execute immediately when a page loads. A function will be executed by a call to the function. Writing Functions Functions and Methods in PHP take much the same form, a method is simply a function with a specific scope; the scope of their class entry.

The Hacker will read about class entries in other sections of the Hacker's guide. PHP allows developers to write a variety of different styles of code: procedural, objectoriented, or simply scripts.

This flexibility makes PHP easy to learn, and also means that new developers to PHP may not be programmers in other languages. For new developers, especially developers who have Here's a look at how you can take advantage of userdefined functions in your own PHP code.

Anatomy of a function Writing your own functions is as simple as using the function command like this: function somefunction() [php code The command function is followed by the unique name of your function (in this case somefunction). Next comes the parentheses, which may contain variable names, and the actual function In this tutorial you will learn how to define and call a custom function in PHP to save the repetition of code and make your code much easier to maintain.

PHP 5 File CreateWrite PHP Write to File fwrite() The fwrite() function is used to write to a file. The first parameter of fwrite() contains the name of the file to write to and the second parameter is the string to be written. The example below writes a couple of names into a new file called" newfile. txt" :

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