String Functions
PHP Manual


(PHP 4, PHP 5)

metaphoneCalculate the metaphone key of a string


string metaphone ( string $str [, int $phones ] )

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 at verity dot com>. It is described in ["Practical Algorithms for Programmers", Binstock & Rex, Addison Wesley, 1995].



The input string.


Return Values

Returns the metaphone key as a string.

String Functions
PHP Manual