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PHP Quiz PHP CertificatePHP implode() Function
Example
Join array elements with a string:
<?php
$arr = array('Hello','World!','Beautiful','Day!');
echo implode(" ",$arr);
?>
$arr = array('Hello','World!','Beautiful','Day!');
echo implode(" ",$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);
?>
$arr = array('Hello','World!','Beautiful','Day!');
echo implode(" ",$arr)."<br>";
echo implode("+",$arr)."<br>";
echo implode("-",$arr)."<br>";
echo implode("X",$arr);
?>
Run example »
Complete PHP String Reference
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