EZAMA\hammingDistance

Complexity

Total Complexity

5

Size/Duplication

Total Lines	17
Duplicated Lines	0 %

Importance

Changes

0

1 Method

Rating	Name	Duplication	Size	Complexity
A	hamming()	0	15	5

<?php

/**
*
* @Name : similar-text
* @Programmer : Akpé Aurelle Emmanuel Moïse Zinsou
* @Date : 2019-04-01
* @Released under : https://github.com/manuwhat/similar-text/blob/master/LICENSE
* @Repository : https://github.com/manuwhat/similar
*
**/


namespace EZAMA{
    class hammingDistance extends Distance
    {
        public static function hamming($a, $b)
        {
            if (!is_string($a) || !is_string($b) || (strlen($a) !== strlen($b))) {
                return false;
            }
            static $distance = 0;
            static $previous = array();
            if (array($a, $b) === $previous) {
                return $distance;
            }
            $previous = array($a, $b);
            $a = self::split($a);
            $b = self::split($b);
            $distance = count(array_diff_assoc((array) $a, (array) $b));
            return $distance;
        }
    }
    
    
}