PHP similar_text () function definition and usage _php tips

PHP similar_text () function calculation compares two strings similarity, this article introduces the PHP Similar_text () function Basic use method and the basic use example, the interest code farmer may refer to.

Definitions and Usage

The Similar_text () function computes the similarity of two strings.

The function can also calculate the percent similarity of two strings.

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

Grammar

Similar_text (string1,string2,percent)

　　

Parameters	Description
String1	Necessary. Specify the first string to compare.
string2	Necessary. Specify the second string to compare.
Percent	Optional. A variable name that sets the percentage similarity for storage.

Technical details

return value:	Returns the number of matching characters for two strings.
PHP version:	4 +

Instance

Calculates the percentage similarity between two strings:

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

The above PHP similar_text () function definition and usage is small series to share all the content, hope to give everyone a reference, also hope that we support cloud habitat community.