... Next . PHP 4 >= 4.0.0) natcasesort -- Sort an array using a case insensitive "natural order" algorithm . void natcasesort ( array array) . ... This is described as a "natural ordering". natcasesort() is a case insensitive version of natsort() . See natsort() for an example of the difference between this algorithm and the regular computer string sorting algorithms. ... See also sort() , natsort() , strnatcmp() , and strnatcasecmp() . ... natsort . ... next ...