introduced isSqlResult() which encapsulates checking MySQL/i results

[mailer.git] / inc / db / lib-mysqli.php

diff --git a/inc/db/lib-mysqli.php b/inc/db/lib-mysqli.php
index bfce1564a0d2447ff6f1980d7bf2b693eb093f34..b3559bf7e807a03548b5e511da1dd46517b9e87a 100644 (file)
--- a/inc/db/lib-mysqli.php
+++ b/inc/db/lib-mysqli.php
@@ -346,7 +346,7 @@ function setSqlError ($file, $line, $message) {
 
 // Checks whether given link is a valid SQL link
 function isValidSqlLink ($linkInstance) {
-       // Is it a resource?
+       // Is it an object?
        $isValid = (($linkInstance instanceof mysqli) || ($linkInstance instanceof mysqli_result));
 
        // Debug message
@@ -356,5 +356,17 @@ function isValidSqlLink ($linkInstance) {
        return $isValid;
 }
 
+// Checks whether given result is really a result
+function isSqlResult ($resultInstance) {
+       // Is it a resource?
+       $isValid = ($resultInstance instanceof mysqli_result);
+
+       // Debug message
+       //* DEBUG: */ logDebugMessage(__FUNCTION__, __LINE__, 'resultInstance[]=' . gettype($resultInstance). ',isValid=' . intval($isValid));
+
+       // Return result
+       return $isValid;
+}
+
 // [EOF]
 ?>