Merge branch 'rewrites/is_filled_array_introduced' of git://github.com/Quix0r/friendica into Quix0r-rewrites/is_filled_array_introduced

Conflicts:
	boot.php

include/ForumManager.php

@@ -86,7 +86,7 @@ class ForumManager {
 		$total = count($contacts);
 		$visible_forums = 10;
 
-		if(count($contacts)) {
+		if(dba::is_result($contacts)) {
 
 			$id = 0;
 

include/dba.php

@@ -230,6 +230,16 @@ class dba {
 		}
 	}
 
+	/**
+	 * Checks if $array is a filled array with at least one entry.
+	 *
+	 * @param	$array	mixed	A filled array with at least one entry
+	 * @return	Whether $array is a filled array
+	 */
+	public function is_result ($array) {
+		return (is_array($array) && count($array) > 0);
+	}
+
 	function __destruct() {
 		if ($this->db)
 			if($this->mysqli)
@@ -340,4 +350,3 @@ function dbesc_array(&$arr) {
 function dba_timer() {
 	return microtime(true);
 }
-

include/dba_pdo.php

@@ -232,6 +232,16 @@ class dba {
 		}
 	}
 
+	/**
+	 * Checks if $array is a filled array with at least one entry.
+	 *
+	 * @param	$array	mixed	A filled array with at least one entry
+	 * @return	Whether $array is a filled array
+	 */
+	public function is_result ($array) {
+		return (is_array($array) && count($array) > 0);
+	}
+
 	function __destruct() {
 		if ($this->db) 
 		  \DDDBL\disconnect();

include/poller.php

@@ -228,7 +228,7 @@ function poller_max_connections_reached() {
 function poller_kill_stale_workers() {
 	$r = q("SELECT `pid`, `executed` FROM `workerqueue` WHERE `executed` != '0000-00-00 00:00:00'");
 
-	if (!is_array($r) || count($r) == 0) {
+	if (!dba::is_result($r)) {
 		// No processing here needed
 		return;
 	}