Join array elements with a string:
The join() function returns a string from the elements of an array.
The join() function is an alias of the implode() function.
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.
|separator||Optional. Specifies what to put between the array elements. Default is "" (an empty string)|
|array||Required. The array to join to a string|
|Return Value:||Returns a string from elements of an array|
|Changelog:||The separator parameter became optional in PHP 4.3.0.|
Separate the array elements with different characters:
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