PHP 忒聊 綴豖 ヶ輛 metaphone (PHP 4) Description Calculates the metaphone key of str. Similar to soundex() metaphone creates the same key for similar sounding words. It's more accurate than soundex() as it knows the basic rules of English pronunciation. The metaphone generated keys are of variable length. Metaphone was developed by Lawrence Philips lphilips@verity.com. It is described in ["Practical Algorithms for Programmers", Binstock Rex, Addison Wesley, 1995]. 綴豖 れ萸 ヶ輛 md5 奻珨撰 money_format