PHP Implode Function

Throughout php implode function tutorial, you will learn, how to convert array to comma separated string in php. This tutorial explained you PHP Array to String Conversion, Two Dimensional Array to String Conversion, convert Multidimensional Array to Comma Separated String in php.

Let’s see php convert array to string using the PHP implode function.

The basic syntax is of the implode function is:

implode(separator,array)

Parameters of implode function:

Parameter	Description
separator	Optional. Specifies what to put between the array elements. Default is “” (an empty string)
array	Required. The array to join to a string

PHP Convert Array to Comma Separated String

In PHP, The implode function is used to convert an array into a string.

We will learn in bellow example:

PHP Array to String Conversion
PHP Array to Comma Separated String
PHP Two Dimensional Array Convert to Comma Separated String
PHP Implode – Multidimensional Array to Comma Separated String

PHP Array to String Conversion

<?php
$array = array('php','laravel','codeigniter');
echo implode(" ",$array);
?>

Output:

php laravel codeigniter

PHP Array to Comma Separated String

This example convert array to a comma-separated string.

<?php
$array = array('php','laravel','codeigniter');
echo implode(", ",$array);
?>

Output:

php, laravel, codeigniter

Convert Two Dimensional Array to Comma Separated String

In this example, we will convert two-dimensional array to comma separate string.

<?php
     // Two Dimensional array
    $array = array (
      array ('01','03','02','15'),
      array ('05','04','06','10'),
      array ('07','09','08','11')
    );
 
    $tmpArr = array();
    foreach ($array as $sub) {
      $tmpArr[] = implode(', ', $sub);
    }
    $result = implode(', ', $tmpArr);
 
    echo $result;
?>

Output:

01, 03, 02, 15, 05, 04, 06, 10, 07, 09, 08, 11

Comma Multidimensional Array to Separated String

Let’s see how can convert multidimensional array to comma separated string.

<?php
 
$array = array(  
  array(
    'name' => 'PHP',
    'email' => 'php@gmail.com'
  ), 
  array(
    'name' => 'Java',
    'email' => 'java@gmail.com'
  )
);
 
echo implode(', ', array_map(function ($string) {
  return $string['name'];
}, $array));
 
?>

Output:

PHP, Java

So today you learn how to convert string to an array, two-dimensional array, and multi-dimensional in PHP.

PHP Implode Function – Convert Array to Comma Separated String