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This file contains hidden or bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters. Learn more about bidirectional Unicode charactersOriginal file line number Diff line number Diff line change @@ -22,16 +22,24 @@ public static function instantiate() { add_action( 'wp_ajax_oir_remove_image_sizes', array( self::$instance, 'remove_image_sizes' ) ); add_action( 'admin_enqueue_scripts', array( self::$instance, 'enqueue_assets' ) ); // Upon image upload, only generate default sizes add_filter( 'intermediate_image_sizes_advanced', array( self::$instance, 'remove_intermediate_sizes' ), 10, 1 ); } return self::$instance; } // Filter the sizes that get created initially public function remove_intermediate_sizes( $sizes ) { $allowed_sizes = array( 'thumbnail', 'medium', 'large' ); return array_intersect_key( $sizes, array_flip( $allowed_sizes ) ); } // register our media settings public function add_media_settings() { @@ -182,21 +190,6 @@ public function enqueue_assets( $hook ) { } } endif; -
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This file contains hidden or bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters. Learn more about bidirectional Unicode charactersOriginal file line number Diff line number Diff line change @@ -0,0 +1,204 @@ <?php // Exit if accessed directly ! defined( 'ABSPATH' ) && exit; // Check if class already exists if ( ! class_exists( 'OIR_Remove_Image_Sizes' ) ) : final class OIR_Remove_Image_Sizes { // Will hold the only instance of our main plugin class private static $instance; // Instantiate the class and set up stuff public static function instantiate() { if ( ! isset( self::$instance ) && ! ( self::$instance instanceof OIR_Remove_Image_Sizes ) ) { self::$instance = new OIR_Remove_Image_Sizes(); add_action( 'admin_init', array( self::$instance, 'add_media_settings' ) ); add_action( 'wp_ajax_oir_remove_image_sizes', array( self::$instance, 'remove_image_sizes' ) ); add_action( 'admin_enqueue_scripts', array( self::$instance, 'enqueue_assets' ) ); // Upon image upload, clean up all but the original file and thumbnail add_action( 'added_post_meta', array( self::$instance, 'add_post_meta_filters' ), 10, 3 ); } return self::$instance; } // register our media settings public function add_media_settings() { add_settings_field( 'oir_media_settings', __( 'Remove image sizes', 'oir_plugin' ), array( $this, 'media_settings_output' ), 'media', 'default' ); } // add a small output to media settings screen public function media_settings_output() { echo '<button id="oir-remove-image-sizes" class="button">' . __( 'Start cleanup', 'oir_plugin' ) . '</button>'; echo '<p id="oir-status-message"></p>'; echo '<p class="description">' . __( 'Use this to clean up all of the image sizes that were generated for your existing media. They will later be generated only when needed, preserving the space.', 'oir_plugin' ) . '</p>'; } // cleans up extra image sizes when called via ajax public function remove_image_sizes( $__attachment_id ) { $paged = ! empty( $_POST['paged'] ) ? absint( $_POST['paged'] ) : 1; if ( ! $__attachment_id ) { check_ajax_referer( 'oir-nonce', 'nonce' ); $args = array( 'fields' => 'ids', 'paged' => $paged, 'post_mime_type' => 'image', 'post_status' => 'any', 'post_type' => 'attachment', 'posts_per_page' => 10, ); } else { $args = array( 'fields' => 'ids', 'post_mime_type' => 'image', 'post_status' => 'any', 'post_type' => 'attachment', 'post__in' => array( absint( $__attachment_id ) ), ); } $query = new WP_Query( $args ); $found = absint( $query->found_posts ); $finished = empty( $query->posts ) ? true : false; if ( ! $finished ) { $upload_dir = wp_upload_dir(); foreach ( $query->posts as $attachment_id ) { $meta = wp_get_attachment_metadata( $attachment_id ); if ( empty( $meta['file'] ) ) { continue; } $file_path = str_replace( basename( $meta['file'] ), '', trailingslashit( $upload_dir['basedir'] ) . $meta['file'] ); if ( empty( $meta['sizes'] ) || ! is_array( $meta['sizes'] ) ) { continue; } // Don't remove images if they are used in default image sizes // (happens when custom image size matches the dimensions of the default ones) $do_not_delete = array(); foreach ( $meta['sizes'] as $size => $params ) { // we don't want to delete thumbnails, they are used in admin area if ( 'thumbnail' === $size || 'medium' === $size || 'large' === $size ) { $file = realpath( $file_path . $params['file'] ); $do_not_delete[] = $file; continue; } $file = realpath( $file_path . $params['file'] ); if ( ! in_array( $file, $do_not_delete ) && is_readable( $file ) ) { unlink( $file ); unset( $meta['sizes'][ $size ] ); } } wp_update_attachment_metadata( $attachment_id, $meta ); } } if ( ! $__attachment_id ) { $response = array( 'finished' => $finished, 'found' => $found, 'paged' => $paged, 'success' => true, ); wp_send_json( $response ); } } // add js and css needed on media settings screen public function enqueue_assets( $hook ) { if ( 'options-media.php' !== $hook ) { // we only need this script in media settings return; } wp_enqueue_script( 'oir_remove_image_sizes', OIR_JS_URL . 'remove-image-sizes.js' ); $localize = array( 'l10n' => array( 'something_wrong' => __( 'Something went wrong, please try again or contact the developer!', 'oir_plugin' ), 'process_finished' => __( 'Process finished, your media folder should now be much more lighter.', 'oir_plugin' ), 'cleanup_progress' => __( 'Cleanup in progress, leave this page open!', 'oir_plugin' ), ), 'nonce' => wp_create_nonce( 'oir-nonce' ), ); wp_localize_script( 'oir_remove_image_sizes', 'oir_plugin', $localize ); wp_enqueue_style( 'oir_remove_image_sizes', OIR_CSS_URL . 'remove-image-sizes.css' ); } // clean out all of the unnecessary image sizes upon attachment creation. Unfortunatelly there is no less hackier way to do this :/ public function add_post_meta_filters( $mid, $object_id, $meta_key ) { if ( '_wp_attachment_metadata' !== $meta_key ) { return; } $this->remove_image_sizes( $object_id ); return; } } endif; OIR_Remove_Image_Sizes::instantiate();