Detailed explanation of the definition and usage examples of similar_text() function in php

This article mainly introduces the definition and usage of similar_text() function in php. Interested friends can refer to it. I hope it will be helpful to everyone.

php similar_text() function calculates and compares the similarity of two strings. This article introduces the basic usage method and basic usage examples of php similar_text() function to coders. Interested coders can refer to it.

Definition and usage

similar_text() function calculates the similarity of 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 accurate results with fewer modifications required.

Grammar

similar_text(string1,string2,percent)

　

Parameters	Description
string1	Required. Specifies the first string to compare.
string2	Required. Specifies the second string to be compared.
percent	Optional. Specifies the variable name used to store percent similarity.

Technical details

##Return value: Return two The number of matching characters in the string. PHP version: 4

##Example

Calculate the percentage similarity between two strings:

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

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