PHP similar_text function definition and usage similar noun similar as be similar a

PHP similar_text () function calculates the similarity of two strings, this article introduces the basic use method and basic use example of PHP similar_text () function, and the code farmer of Interest can refer to it.

Definition and usage

The Similar_text () function calculates 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. Specifies the first string to compare.
string2	Necessary. Specifies a second string to compare.
Percent	Optional. A variable name that specifies the similarity of the storage percentage.

Technical details

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

Instance

Calculates the percent similarity between two strings:

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

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