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PHP join() Function


PHP String Reference Complete PHP String Reference

Definition and Usage

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

The join() function is an alias of the implode() function.

Syntax

join(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


Tips and Notes

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


Example

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

The output of the code above will be:

Hello World! Beautiful Day!


PHP String Reference Complete PHP String Reference


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