PHP metaphone() Function

by Online Tutorials Library July 22, 2022

PHP metaphone() function

PHP metaphone() function is predefined function. It is used to calculate the metaphone key of a string. It is useful to text search and text matching application.

It is phonetic algorithm developed by Lawrence Philips. The algorithm produces variable length keys as output.

Syntax:

Parameter	Description	Required/Optional
String	Specify input string.	Required
Length	Specify the max length of the megaphones key.	Optional

Example 1

  <?php  $str=”Hello PHP”;  echo “Before using metaphone() function:”.$str;  echo “<br>”;  echo “After using metaphone() function: “.metaphone($str);  ?>  

Output:

Before using metaphone() function:Hello PHP  After using metaphone() function: HLFP

Example 2

  <?php  $str = “Nose”;  $str2 = “knows”;  echo metaphone($str);  echo “<br>”;  echo metaphone($str2);  ?>  

Output:

NS  NS

Example 3

  <?php  var_dump(metaphone(‘programming’));  var_dump(metaphone(‘programmer’));  ?>  

Output:

string(7) "PRKRMNK"   string(6) "PRKRMR"

Example 4

  <?php  $str = “Nose”;  $str2 = “knows”;  echo metaphone($str,2);  echo “<br>”;  echo metaphone($str2,2);  ?>  

Output:

NS  NS

Note: Given above example by using the length of parameter.

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PHP metaphone() Function

PHP metaphone() function

Syntax:

Example 1

Example 2

Example 3

Example 4

Note: Given above example by using the length of parameter.

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