Ticket #21212: 21212-utf8mb4.2.diff

wp-includes/wp-db.php

@@ -545 +545 @@
          * @param string   $collate The collation (optional)
          */
         function set_charset($dbh, $charset = null, $collate = null) {
+                if ( version_compare( mysql_get_server_info(), '5.5.3', '>=' ) ) {
+                        if ( 'utf8' == $this->charset )
+                                $this->charset = 'utf8mb4';
+
+                        if ( strpos( $this->charset, 'utf8_' ) === 0 )
+                                $this->charset = str_replace( 'utf8_', 'utf8mb4_', $this->charset );
+                }
+
                 if ( !isset($charset) )
                         $charset = $this->charset;
                 if ( !isset($collate) )