Ticket #40524: 40524.2.patch

wp-includes/media-template.php

@@ -737 +737 @@
                         <span><?php _e('Columns'); ?></span>
                         <select class="columns" name="columns"
                                 data-setting="columns">
-                                <?php for ( $i = 1; $i <= 9; $i++ ) : ?>
-                                        <option value="<?php echo esc_attr( $i ); ?>" <#
-                                                if ( <?php echo $i ?> == wp.media.galleryDefaults.columns ) { #>selected="selected"<# }
+                                <?php
+                                    $columns = array( 1, 2, 3, 4, 5, 6, 7, 8, 9 );
+
+                                    $columns = apply_filters('gallery_settings_columns', $columns);
+                ?>
+                                <?php foreach ( $columns AS $column ) : ?>
+                                        <option value="<?php echo esc_attr( $column ); ?>" <#
+                                                if ( <?php echo $column ?> == wp.media.galleryDefaults.columns ) { #>selected="selected"<# }
                                         #>>
-                                                <?php echo esc_html( $i ); ?>
+                                                <?php echo esc_html( $column ); ?>
                                         </option>
-                                <?php endfor; ?>
+                                <?php endforeach; ?>
                         </select>
                 </label>