wikimedia/mediawiki-extensions-Translate

<?php

namespace MediaWiki\Extension\Translate\Utilities\StringComparators;

/**
 * An interface to be implemented by comparators that will compare percentage
 * of similarity between strings.
 */
interface StringComparator {
    /**
     * Compares the two messages and returns a similarity percentage
     *
     * @param string $a
     * @param string $b
     * @return float 0-1 with 1 being an exact match
     */
    public function getSimilarity( $a, $b );
}