Add the method similarity()

2015-01-20 17:10:42 +09:00 · 2015-01-20 17:10:42 +09:00 · c58775dcc3
commit c58775dcc3
parent f4f503047e
1 changed files with 5 additions and 0 deletions
--- a/lib/PerceptualHash.php
+++ b/lib/PerceptualHash.php
@ -86,6 +86,11 @@ class PerceptualHash {
        return (int)$diff;
    }

+    public function similarity($file)
+    {
+        return 1 - ($this->compare($file) / strlen($this->bin));
+    }
+
    protected function load($file)
    {
        if (!file_exists($file)) {