# What is implode() function in PHP?

PHPProgrammingServer Side Programming

In this article, learn how to use PHP Implode() function.The Implode() function is a predefined inbuilt PHP function. We can form a string by joining the components of an array with the help of the PHP implode function. The implode() function creates a string from components of an array utilizing a delimiter of our choice. The implode() function acknowledges two parameters out of which one is optional and one is mandatory.

Let's learn those parameters.

## Syntax

implode(separator,array)

## separator

This is an optional parameter and is of string type. The values of the array will be join to form a string and will be separated by the separator parameter provided here.

## array

The array whose value is to be joined to form a string.

## Example

<?php
$arr = array ('Welcome','To','Tutorials','Point');$comma_separated = implode(" , ", $arr);$hyphen_separated = implode(" - ", $arr); echo$comma_separated"\n" ;
echo implode(" ",$arr)"\n"; echo$hyphen_separated;
?>

## Output

Welcome , To , Tutorials , Point
Welcome To Tutorials Point
Welcome - To - Tutorials - Point

## Explanation

In the first expression, we have used a comma "," as a separator to form string. In the second expression, we have used space " " as a separator to demonstrate the implode function.

Published on 18-Jun-2019 16:07:47