spliti
    (PHP 4 >= 4.0.1, PHP 5)
spliti -- 
   Split string into array by regular expression case insensitive
  
Description
array 
spliti ( string pattern, string string [, int limit] )
   This function is identical to split() except
   that this ignores case distinction when matching alphabetic
   characters.
  
   This example splits a string using 'a' as the separator :
   
Example 1. spliti() example 
<?php $string = "aBBBaCCCADDDaEEEaGGGA"; $chunks = spliti ("a", $string, 5); print_r($chunks); ?>
 |  
 The above example will output: Array
(
  [0] => 
  [1] => BBB
  [2] => CCC
  [3] => DDD
  [4] => EEEaGGGA
)  |  
  | 
  
   See also preg_split(), split(),
   explode(), and implode().