Php built-in functions list

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  • How to create function in php

    • Types of functions in php.

    PHP - Functions

    Like most of the programming languages, a function in PHP is a block of organized, reusable code that is used to perform a single, related action. Functions provide better modularity for your application and a high degree of code reuse.

    PHP supports a structured programming approach by arranging the processing logic by defining blocks of independent reusable functions.

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  • Types of functions in php
  • Php built-in functions list with examples pdf
  • Php functions with examples

    • The main advantage of this approach is that the code becomes easy to follow, develop and maintain.

    The following figure shows how the process of salary computation is successively broken down to independent and reusable functions.

    Types of Functions

    You already have seen many functions like fopen() and fread() etc.

    They are built-in functions but PHP gives you option to create your own functions as well. There are two types of functions in PHP −

    • Built-in functions − PHP’s standard library contains a large number of built-in functions for string processing, file IO, mathematical computations and more.

    • User-defined functions − You can create user-defined functions

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