+ Added support for MySQL strict mode -- more specifically, the abili…

…ty to disable it through a global variable. I wrote that for a previous server, and never bothered to commit it because I didn't need it anymore by the time I was committing everything. But still, can be useful to some... I know I wasted a few hours on that one..! (Class-DB.php)

! Fixed {literal:...} code not allowing for flexible strings. (Class-DB.php)

core/app/Class-DB.php

@@ -49,7 +49,7 @@ public static function is_connected()
 
 	public static function connect($db_server, $db_name, $db_user, $db_passwd, $db_prefix, $db_options = array())
 	{
-		global $mysql_set_mode, $db_link;
+		global $mysql_set_mode, $mysql_autocommit, $mysql_strict_mode, $db_link;
 
 		// Attempt to connect. (And in non SSI mode, also select the database)
 		$connection = mysqli_connect((!empty($db_options['persist']) ? 'p:' : '') . $db_server, $db_user, $db_passwd, empty($db_options['dont_select_db']) ? $db_name : '') or die(mysqli_connect_error());
@@ -63,11 +63,19 @@ public static function connect($db_server, $db_name, $db_user, $db_passwd, $db_p
 				show_db_error();
 		}
 
+		// This is just for compatibility purposes.
 		if (isset($mysql_set_mode) && $mysql_set_mode === true)
-			wesql::query('SET sql_mode = \'\', AUTOCOMMIT = 1',
-			array(),
-			false
-		);
+			mysqli_query($connection, 'SET SESSION sql_mode = \'\', AUTOCOMMIT = 1', array(), false);
+		elseif (isset($mysql_strict_mode) || isset($mysql_autocommit))
+		{
+			$request = @mysqli_query($connection, 'SELECT @@sql_mode');
+			$modes = mysqli_fetch_row($request);
+			$modes = $modes ? $modes[0] : '';
+			mysqli_free_result($request);
+			if (isset($mysql_strict_mode) && $mysql_strict_mode === false)
+				$modes = implode(',', array_diff(explode(',', $modes), array('ONLY_FULL_GROUP_BY', 'STRICT_TRANS_TABLES')));
+			mysqli_query($connection, 'SET SESSION sql_mode = "' . mysqli_real_escape_string($connection, $modes) . '"' . (empty($mysql_autocommit) ? '' : ', AUTOCOMMIT = 1'));
+		}
 
 		// Otherwise set, and return true so that we can tell we did manage a connection.
 		return self::$link = $db_link = $connection;
@@ -90,7 +98,7 @@ public static function quote($query, $db_values, $connection = null)
 			$db_callback = array($db_values, $connection == null ? self::$link : $connection);
 
 			// Do the quoting and escaping
-			$query = preg_replace_callback('~{([a-z_]+)(?::([a-zA-Z0-9_-]+))?}~', 'wesql::replace_value', $query);
+			$query = preg_replace_callback('~{([a-z_]+)(?::([^}]+))?}~', 'wesql::replace_value', $query);
 
 			// Clear this global variable.
 			$db_callback = array();
@@ -144,7 +152,7 @@ public static function query($query, $db_values = array(), $connection = null)
 			$db_callback = array($db_values, $connection);
 
 			// Inject the values passed to this function.
-			$query = preg_replace_callback('~{([a-z_]+)(?::([a-zA-Z0-9_-]+))?}~', 'wesql::replace_value', $query);
+			$query = preg_replace_callback('~{([a-z_]+)(?::([^}]+))?}~', 'wesql::replace_value', $query);
 
 			// This shouldn't be residing in global space any longer.
 			$db_callback = array();
@@ -254,15 +262,9 @@ public static function transaction($operation = 'commit', $connection = null)
 		// Determine whether to use the known connection or not.
 		$connection = $connection === null ? self::$link : $connection;
 
-		switch ($operation)
-		{
-				case 'begin':
-				case 'rollback':
-				case 'commit':
-					return @mysqli_query($connection, strtoupper($operation));
-			default:
-				return false;
-		}
+		if (in_array($operation, ['begin', 'rollback', 'commit']))
+			return @mysqli_query($connection, strtoupper($operation));
+		return false;
 	}
 
 	public static function error($connection = null)