Funciones de strings
PHP Manual

metaphone

(PHP 4, PHP 5)

metaphoneCalculate the metaphone key of a string

Descripción

string metaphone ( string $str [, int $phonemes = 0 ] )

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].

Parámetros

str

The input string.

phonemes

This parameter restricts the returned metaphone key to phonemes characters in length. The default value of 0 means no restriction.

Valores devueltos

Returns the metaphone key as a string, o FALSE en caso de error.

Ejemplos

Example #1 metaphone() basic example

<?php
var_dump
(metaphone('programming'));
var_dump(metaphone('programmer'));
?>

El resultado del ejemplo sería algo similar a:

string(7) "PRKRMNK"
string(6) "PRKRMR"

Example #2 Using the phonemes parameter

<?php
var_dump
(metaphone('programming'5));
var_dump(metaphone('programmer'5));
?>

El resultado del ejemplo sería algo similar a:

string(5) "PRKRM"
string(5) "PRKRM"


Funciones de strings
PHP Manual