SimpleStringComparator.php

<?php
namespace MediaWiki\Extension\Translate\Utilities\StringComparators;
 
class SimpleStringComparator implements StringComparator {
    public function getSimilarity( $addedMessage, $deletedMessage ) {
        if ( $addedMessage === $deletedMessage ) {
            return 1;
        }
 
        if ( trim( mb_strtolower( $addedMessage ) ) === trim( mb_strtolower( $deletedMessage ) ) ) {
            // This is an arbitrarily chosen number to differentiate it from an exact match.
            return 0.95;
        }
 
        return 0;
    }
}