PHP metaphone() Function

PHP metaphone() Function

The metaphone() function in PHP calculates the metaphone key (representing how a string sounds or pronounced) of a string. This function is used to text search and text matching or spelling applications.

Syntax

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

Parameter

str(required)- This parameter specifies the input string.

phonemes(optional)- This parameter specifies the maximum length of the metaphone key and restricts the returned metaphone key. The default value is 0 (means no restriction).

Return

This function returns the metaphone key as a string or FALSE on failure.

Example 1

Output

Actual String: Hello World
Metaphone string: HLWRLT

Example 2

Output

String 1: Principle
Metaphone string: PRNSPL
String 2: Principal
Metaphone string: PRNSPL

Example 3

Output

String 1: Principle
Metaphone string: PR
String 2: Principal
Metaphone string: PRNS

Example 4

Output

YR ER

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