PHP soundex() Function
Example
Calculate the soundex key of "Hello":
<?php $str = "Shanghai"; echo soundex($str); ?>
Definition and Usage
The soundex() function calculates the soundex key of the string.
The soundex key is a 4-character alphanumeric string that represents the English pronunciation of the word.
The soundex() function can be used in spelling check applications.
Note:The soundex() function creates the same key for words with similar pronunciation.
Tip:metaphone() More accurate than soundex() function because metaphone() understands the basic pronunciation rules of English.
Syntax
soundex(string)
| Parameter | Description |
|---|---|
| string | Required. Specifies the string to be checked. |
Technical Details
| Return Value: | If successful, it returns the soundex key of the string, if failed, it returns FALSE. |
| PHP Version: | 4+ |
More Examples
Example 1
Use soundex() function for two words with similar pronunciation:
<?php $str = "Assistance"; $str2 = "Assistants"; echo soundex($str); echo "<br>"; echo soundex($str2); ?>
