PHP Tutorial - PHP similar_text() Function






Definition

The similar_text() function calculates the similarity between two strings.

Syntax

PHP similar_text() Function has the following syntax. similar_text(string1,string2,percent)

Parameter

ParameterIs Required Description
string1Required. First string to be compared
string2Required. Second string to be compared
percentOptional. Variable name for storing the similarity in percent

Return

PHP similar_text() Function returns the number of matching characters of two strings.





Example

Calculate the similarity between two strings and return the matching characters:


<?php
echo similar_text("Hello World","Hello from java2s.com");
?>

The code above generates the following result.

Example 2

Calculate the similarity between two strings in percent:


<?php
similar_text("Hello World","Hello from java2s.com",$percent);
echo $percent;
?>

The code above generates the following result.