PHP字符串函数soundex()的用法(php字符串操作函数)

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(PHP 4, PHP 5)

soundex — Calculate the soundex key of a string

Calculates the soundex key of str.

Soundex keys have the property that words pronounced similarly produce the same soundex key, and can thus be used to simplify searches in databases where you know the pronunciation but not the spelling. This soundex function returns a string 4 characters long, starting with a letter.

This particular soundex function is one described by Donald Knuth in "The Art Of Computer Programming, vol. 3: Sorting And Searching", Addison-Wesley (), pp. -.

str

The input string.

Returns the soundex key as a string.

Example #1 Soundex Examples

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