The metaphone() function is a built-in function in PHP and is used to calculate the metaphone key of a given string. The Metaphone key is a phonetic algorithm for indexing of words by their pronunciation. It uses the larger set of rules for English pronunciation.
Syntax:
string metaphone ( $str, $key )
Parameters: This function accepts two parameters as mentioned above and described below:
- $str: It is Required parameter which represents the string to find the Metaphone key.
- $key: It is an optional parameter which specified for Maximum length of the metaphone key.
Return Value: It returns the metaphone key as a string, and return FALSE in failure. Examples:
Input: $str = "Contribute Article on neveropen" Output: KNTRBTRTKLNJKSFRJKS Input: $str = "Contribute Article on neveropen" $key = 5 Output: KNTRB
Below programs illustrate the metaphone() function in PHP.
Program 1:
php
<?php $str1 = "Contribute Article on neveropen"; echo metaphone($str1) . "\n"; $str2 = "A computer science portal"; echo metaphone($str2); ?> |
Output:
KNTRBTRTKLNJKSFRJKS AKMPTRSNSPRTL
Program 2:
php
<?php $str1 = "Contribute Article on neveropen"; echo metaphone($str1, 6) . "\n"; $str2 = "A computer science portal"; echo metaphone($str2, 5); ?> |
Output:
KNTRBT AKMPT
Related Article: PHP | soundex() Function
