Break a string into an array and return an array except for the last -limit elements() in PHP

Description

The following code shows how to break a string into an array and return an array except for the last -limit elements().

Example

//  w  w w.j a  va  2s . c o  m
<?php
   $str = 'one,two,three,four';

   // negative limit
   print_r(explode(',',$str,-1));

?>

The code above generates the following result.