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PHP implode() Function

PHP String Reference PHP String Reference

Example

Join array elements with a string:

<?php
$arr = array('Hello','World!','Beautiful','Day!');
echo implode(" ",$arr);
?>

Run example »

Definition and Usage

The implode() function returns a string from the elements of an array.

Note: The implode() function accept its parameters in either order. However, for consistency with explode(), you should use the documented order of arguments.

Note: The separator parameter of implode() is optional. However, it is recommended to always use two parameters for backwards compatibility.

Note: This function is binary-safe.


Syntax

implode(separator,array)

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

Technical Details

Return Value: Returns a string from elements of an array
PHP Version: 4+
Changelog: The separator parameter became optional in PHP 4.3.0


More Examples

Example 1

Separate the array elements with different characters:

<?php
$arr = array('Hello','World!','Beautiful','Day!');
echo implode(" ",$arr)."<br>";
echo implode("+",$arr)."<br>";
echo implode("-",$arr)."<br>";
echo implode("X",$arr);
?>

Run example »


PHP String Reference PHP String Reference

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