natcasesort Sort an array using a case insensitive "natural order" algorithm &reftitle.description; boolnatcasesort arrayarray natcasesort is a case insensitive version of natsort. This function implements a sort algorithm that orders alphanumeric strings in the way a human being would while maintaining key/value associations. This is described as a "natural ordering". &reftitle.parameters; array The input array. &reftitle.returnvalues; &return.success; &reftitle.examples; <function>natcasesort</function> example ]]> &example.outputs; IMG0.png [1] => IMG3.png [2] => img1.png [3] => img10.png [4] => img12.png [5] => img2.png ) Natural order sorting (case-insensitive) Array ( [0] => IMG0.png [4] => img1.png [3] => img2.png [5] => IMG3.png [2] => img10.png [1] => img12.png ) ]]> For more information see: Martin Pool's Natural Order String Comparison page. &reftitle.seealso; natsort &seealso.array.sorting; strnatcmp strnatcasecmp