Definition and usage of php metaphone() function, phpmetaphone_PHP tutorial

Definition and usage of php metaphone() function, phpmetaphone

php metaphone() function calculates the metaphone key of a string, this article introduces the php metaphone() function to coders For basic usage and examples, coders in need can refer to the methods and examples in this article.

Definition and usage

The metaphone() function calculates the metaphone key of a string.

The metaphone key represents the English pronunciation of the string.

The metaphone() function can be used in spell checkers.

Note: The metaphone() function creates the same key for words that sound similar.

Note: The generated metaphone keys are of variable length.

Tip: metaphone() is more precise than the soundex() function because metaphone() understands the basic rules of English pronunciation.

Grammar

metaphone(string,length)
​

参数	描述
string	必需。规定要检查的字符串。
length	可选。规定 metaphone 键的最大长度。

Technical details

返回值：	如果成功则返回字符串的 metaphone 键，如果失败则返回 FALSE。
PHP 版本：	4

Example

Example 1

Use the metaphone() function for two words that sound similar:

<&#63;php 
$str = "Assistance"; 
$str2 = "Assistants"; 
 
echo metaphone($str); 
echo "<br>"; 
echo metaphone($str2); 
&#63;> 

Example 2

Use length parameter:

<&#63;php 
$str = "Assistance"; 
$str2 = "Assistants"; 
 
echo metaphone($str,5); 
echo "<br>"; 
echo metaphone($str2,5); 
&#63;> 

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