Ticket #20156: post-template.multiselect_dropdown_pages.patch

post-template.php

@@ -774 +774 @@
                 'selected' => 0, 'echo' => 1,
                 'name' => 'page_id', 'id' => '',
                 'show_option_none' => '', 'show_option_no_change' => '',
-                'option_none_value' => ''
+                'option_none_value' => '',
+                'multiselect' => false
         );
 
         $r = wp_parse_args( $args, $defaults );
@@ -787 +788 @@
                 $id = $name;
 
         if ( ! empty($pages) ) {
-                $output = "<select name='" . esc_attr( $name ) . "' id='" . esc_attr( $id ) . "'>\n";
+                $output = "<select name='" . esc_attr( $name ) . "'".(($multiselect) ? "multiple='multiple'" : "") ." id='" . esc_attr( $id ) . "'>\n";
                 if ( $show_option_no_change )
                         $output .= "\t<option value=\"-1\">$show_option_no_change</option>";
                 if ( $show_option_none )