Implode() for return a string from element of array

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

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

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.
Example

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

The output of the code above will be:

Hello Guys! Great Day!