+ /**
+ * Parses the X-Spam-Status header
+ * @param string $value
+ */
+ function parseSpamStatus($value) {
+ // Header value looks like this:
+ // No, score=1.5 required=5.0 tests=MSGID_FROM_MTA_ID,NO_REAL_NAME,UPPERCASE_25_50 autolearn=disabled version=3.1.0-gr0
+
+ $spam_status = array();
+
+ if (preg_match ('/^(No|Yes),\s+score=(-?\d+\.\d+)\s+required=(-?\d+\.\d+)\s+tests=(.*?)\s+autolearn=(.*?)\s+version=(.+?)$/', $value, $matches)) {
+ // full header
+ $spam_status['bad_format'] = 0;
+ $spam_status['value'] = $matches[0];
+ // is_spam
+ if (isset($matches[1])
+ && strtolower($matches[1]) == 'yes') {
+ $spam_status['is_spam'] = true;
+ } else {
+ $spam_status['is_spam'] = false;
+ }
+
+ // score
+ $spam_status['score'] = $matches[2];
+
+ // required
+ $spam_status['required'] = $matches[3];
+
+ // tests
+ $tests = array();
+ $tests = explode(',', $matches[4]);
+ foreach ($tests as $test) {
+ $spam_status['tests'][] = trim($test);
+ }
+
+ // autolearn
+ $spam_status['autolearn'] = $matches[5];
+
+ // version
+ $spam_status['version'] = $matches[6];
+ } else {
+ $spam_status['bad_format'] = 1;
+ $spam_status['value'] = $value;
+ }
+ return $spam_status;
+ }
+