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PHP - similar_text

similar_text

 

PHP -> Funkcie -> Funkcie pre prácu s reťazcami PHP -> similar_text

Syntax


int similar_text(string first, string second, double [percent]);

Popis


Príkaz jazyka PHP
similar_text - calculate the similarity between two strings

This calculates the similarity between two strings as described in Oliver [1993]. Note that this implementation does not use a stack as in Oliver’s pseudo code, but recursive calls which may or may not speed up the whole process. Note also that the complexity of this algorithm is O(N**3) where N is the length of the longest string.
By passing a reference as third argument, similar_text will calculate the similarity in percent for you. It returns the number of matching chars in both strings.



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