Returns an array of strings, each of which is a substring of string formed by splitting it on boundaries formed by the string delim. If limit is set, the returned array will contain a maximum of limit elements with the last element containing the whole rest of string.
Note: The limit parameter was added in PHP 4.0.1
Note: Although implode() can for historical reasons accept its parameters in either order, explode() cannot. You must ensure that the separator argument comes before the string argument.