PHP Metaphone () function parsing, phpmetaphone_php tutorial

PHP Metaphone () function parsing, Phpmetaphone

PHP Metaphone () function calculates the Metaphone key of the string, this article introduces the basic usage and example of PHP Metaphone () function to the code farmers, the code farmer can refer to the methods and examples of this article.

Definition and usage

The Metaphone () function computes the Metaphone key for the string.

The Metaphone key represents the English pronunciation of the string.

The Metaphone () function is useful for spell checker.

Note: the Metaphone () function creates the same key for a word that sounds similar.

Note: The resulting metaphone key length is variable.

Tip: Metaphone () is more accurate than the SOUNDEX () function because Metaphone () understands the basic rules of English pronunciation.

Grammar

Metaphone (String,length)

　　

Parameters	Description
String	Necessary. Specifies the string to check.
Length	Optional. Specifies the maximum length of the Metaphone key.

Technical details

return value:	Returns the Metaphone key of the string if successful, or FALSE if it fails.
PHP version:	4 +

Instance

Example 1

Use the Metaphone () function for two words that are similar in pronunciation:

 
  "; Echo Metaphone ($str 2);? >

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Example 2

Use the length parameter:

 
  "; Echo Metaphone ($str 2,5);? >

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