similar_text

Definition and usage

similar_text() function calculates the similarity between two strings.

This function can also calculate the percentage similarity of two strings.

Note: levenshtein() function is faster than similar_text() function. However, the similar_text() function provides more precise results with fewer required modifications.

Example

Example 1

Calculate the similarity of two strings and return the number of matching characters:

 <?php
echo similar_text ( "Hello World" , "Hello Shanghai" ) ;
?>

Try it yourself

Example 2

Calculate the percentage similarity between two strings:

 <?php
similar_text ( "Hello World" , "Hello Shanghai" , $percent ) ;
echo $percent . "%" ;
?>

Try it yourself

grammar

 Similar_text ( string1 , string2 , percent )