Ticket #19643: 19643.patch

wp-admin/includes/file.php

@@ -1046 +1046 @@
 </table>
 
 <?php
+
+$array_print = create_function('$name, $arr, $func', '
+        foreach ( $arr as $k => $v ) {
+                if ( is_array( $v ) ) {
+                        $func( $name . "[" . $k . "]", $v, $func );
+                } else {
+                        echo "<input type=\"hidden\" name=\"";
+                        echo esc_attr( $name ) . "[" . esc_attr( $k ) . "]\" ";
+                        echo "value=\"";
+                        echo esc_attr( stripslashes( $v ) );
+                        echo "\" />";
+                }
+        }
+');
+
 foreach ( (array) $extra_fields as $field ) {
-        if ( isset( $_POST[ $field ] ) )
-                echo '<input type="hidden" name="' . esc_attr( $field ) . '" value="' . esc_attr( stripslashes( $_POST[ $field ] ) ) . '" />';
+        if ( isset( $_POST[ $field ] ) ) {
+                if ( is_array( $_POST[ $field ] ) )
+                        $array_print( "$field", $_POST[ $field ], $array_print );
+                else
+                        echo '<input type="hidden" name="' . esc_attr( $field ) . '" value="' . esc_attr( stripslashes( $_POST[ $field ] ) ) . '" />';  
+        }       
 }
 submit_button( __( 'Proceed' ), 'button', 'upgrade' );
 ?>