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PHP Quiz PHP CertificatePHP metaphone() Function
Definition and Usage
The metaphone() function calculates the metaphone key of a string.
A metaphone key represents how a string sounds if said by an English speaking person.
The metaphone() function can be used for spelling applications.
Note: The metaphone() function creates the same key for similar sounding words.
Note: The generated metaphone keys vary in length.
Tip: metaphone() is more accurate than the soundex() function, because metaphone() knows the basic rules of English pronunciation.
Syntax
metaphone(string,length)
| Parameter | Description |
|---|---|
| string | Required. 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 on success, or FALSE on failure. |
|---|---|
| PHP Version: | 4+ |
More Examples
Example 1
Using the metaphone() function on two similar sounding words:
<?php
$str = "Assistance";
$str2 = "Assistants";
echo metaphone($str);
echo "<br>";
echo metaphone($str2);
?>
$str = "Assistance";
$str2 = "Assistants";
echo metaphone($str);
echo "<br>";
echo metaphone($str2);
?>
Run example »
Example 2
Using the length parameter:
<?php
$str = "Assistance";
$str2 = "Assistants";
echo metaphone($str,5);
echo "<br>";
echo metaphone($str2,5);
?>
$str = "Assistance";
$str2 = "Assistants";
echo metaphone($str,5);
echo "<br>";
echo metaphone($str2,5);
?>
Run example »
Complete PHP String Reference
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