Diacritics Removal for PHP

Removes diacritics from strings containing Latin-1 Supplement, Latin Extended-A, Latin Extended-B and Latin Extended Additional special characters.

Ported from JavaScript (http://jsfiddle.net/infralabs/dJX58/) and modified by customizing to PHP.

Usage

$specialCharacters = "";
$specialCharacters .= "Latin-1 Supplement".PHP_EOL;
$specialCharacters .= "ÀÁÂÃÄÅÆÇÈÉÊËÌÍÎÏÐÑÒÓÔÕÖ×ØÙÚÛÜÝÞßàáâãäåæçèéêëìíîïðñòóôõö÷øùúûüýþÿ".PHP_EOL;
$specialCharacters .= "Latin Extended-A".PHP_EOL;
$specialCharacters .= "ĀāĂ㥹ĆćĈĉĊċČčĎďĐđĒēĔĕĖėĘęĚěĜĝĞğĠġĢģĤĥĦħĨĩĪīĬĭĮįİıIJijĴĵĶķĸĹĺĻļĽľĿŀŁłŃńŅņŇňʼnŊŋŌōŎŏŐőŒœŔŕŖŗŘřŚśŜŝŞşŠšŢţŤťŦŧŨũŪūŬŭŮůŰűŲųŴŵŶŷŸŹźŻżŽžſ".PHP_EOL;
$specialCharacters .= "Latin Extended-B".PHP_EOL;
$specialCharacters .= "ƒǺǻǼǽǾǿ".PHP_EOL;
$specialCharacters .= "Latin Extended Additional".PHP_EOL;
$specialCharacters .= "ẀẁẂẃẄẅỲỳ".PHP_EOL;

print "<pre>";
print removeDiacritics($specialCharacters).PHP_EOL;
print "</pre>";