Replace a Word In String in PHP

In this tutorial we will learn How to Replace a Word In String in PHP. PHP built-in str_replace() Function can be used to replace a word with another word.

Table of Contents

• Using str_replace() Function
• More PHP Tutorials

Using str_replace() Function

We can simply use str_replace() Function to replace any word in a string in PHP.

str_replace() Function is a built-in PHP function which replaces some characters or a word with other characters or a word in a string.

Take a look at the code given below.

<?php
$string = "Hello World"; 
echo str_replace("World","PHP",$string);
?>

$string variable contains original string, in which word 'World' is replaced by 'PHP' using str_replace() Function.

Output

Hello PHP

str_replace() Function is case-sensitive, for case-insensitive match and replace function you should use str_ireplace() Function.