File Manager

<?php

/**
 * creates all tables for the gallery called during register_activation hook
 */
function nggallery_install( $installer ) {
	global $wpdb;

	$nggpictures = $wpdb->prefix . 'ngg_pictures';
	$nggallery   = $wpdb->prefix . 'ngg_gallery';
	$nggalbum    = $wpdb->prefix . 'ngg_album';

	// Create pictures table.
	$sql = 'CREATE TABLE ' . $nggpictures . " (
        pid BIGINT(20) NOT NULL AUTO_INCREMENT ,
        image_slug VARCHAR(255) NOT NULL ,
        post_id BIGINT(20) DEFAULT '0' NOT NULL ,
        galleryid BIGINT(20) DEFAULT '0' NOT NULL ,
        filename VARCHAR(255) NOT NULL ,
        description MEDIUMTEXT NULL ,
        alttext MEDIUMTEXT NULL ,
        imagedate DATETIME NOT NULL DEFAULT '0000-00-00 00:00:00',
        exclude TINYINT NULL DEFAULT '0' ,
        sortorder BIGINT(20) DEFAULT '0' NOT NULL ,
        meta_data LONGTEXT,
        extras_post_id BIGINT(20) DEFAULT '0' NOT NULL,
        PRIMARY KEY  (pid),
        KEY extras_post_id_key (extras_post_id)
	);";
	$installer->upgrade_schema( $sql );

	// Create gallery table.
	$sql = 'CREATE TABLE ' . $nggallery . " (
        gid BIGINT(20) NOT NULL AUTO_INCREMENT ,
        name VARCHAR(255) NOT NULL ,
        slug VARCHAR(255) NOT NULL ,
        path MEDIUMTEXT NULL ,
        title MEDIUMTEXT NULL ,
        galdesc MEDIUMTEXT NULL ,
        pageid BIGINT(20) DEFAULT '0' NOT NULL ,
        previewpic BIGINT(20) DEFAULT '0' NOT NULL ,
        author BIGINT(20) DEFAULT '0' NOT NULL  ,
        extras_post_id BIGINT(20) DEFAULT '0' NOT NULL,
        PRIMARY KEY  (gid),
        KEY extras_post_id_key (extras_post_id)
	)";
	$installer->upgrade_schema( $sql );

	// Create albums table.
	$sql = 'CREATE TABLE ' . $nggalbum . " (
        id BIGINT(20) NOT NULL AUTO_INCREMENT ,
        name VARCHAR(255) NOT NULL ,
        slug VARCHAR(255) NOT NULL ,
        previewpic BIGINT(20) DEFAULT '0' NOT NULL ,
        albumdesc MEDIUMTEXT NULL ,
        sortorder LONGTEXT NOT NULL,
        pageid BIGINT(20) DEFAULT '0' NOT NULL,
        extras_post_id BIGINT(20) DEFAULT '0' NOT NULL,
        PRIMARY KEY  (id),
        KEY extras_post_id_key (extras_post_id)
	)";
	$installer->upgrade_schema( $sql );

	// check one table again, to be sure.
	if ( ! $wpdb->get_var( $wpdb->prepare( 'SHOW TABLES LIKE %s', [ $wpdb->esc_like( $nggpictures ) ] ) ) ) {
		update_option( 'ngg_init_check', __( 'NextGEN Gallery : Tables could not created, please check your database settings', 'nggallery' ) );
	}
}

/**
 * @param string $capability name of the capability which should be de-registered
 */
function ngg_remove_capability( $capability ) {
	// this function remove the $capability only from the classic roles.
	$check_order = [ 'subscriber', 'contributor', 'author', 'editor', 'administrator' ];

	foreach ( $check_order as $role ) {
		$role = get_role( $role );
		if ( ! is_null( $role ) ) {
			$role->remove_cap( $capability );
		}
	}
}