wp_ajax_install_theme() │ WP 4.6.0
Handles installing a theme via AJAX.
No Hooks.
Return
null
. Nothing (null).
Usage
wp_ajax_install_theme();
Notes
- See: Theme_Upgrader
- Global. WP_Filesystem_Base. $wp_filesystem WordPress filesystem subclass.
Changelog
Since 4.6.0 | Introduced. |
wp_ajax_install_theme() wp ajax install theme code WP 6.6.2
function wp_ajax_install_theme() { check_ajax_referer( 'updates' ); if ( empty( $_POST['slug'] ) ) { wp_send_json_error( array( 'slug' => '', 'errorCode' => 'no_theme_specified', 'errorMessage' => __( 'No theme specified.' ), ) ); } $slug = sanitize_key( wp_unslash( $_POST['slug'] ) ); $status = array( 'install' => 'theme', 'slug' => $slug, ); if ( ! current_user_can( 'install_themes' ) ) { $status['errorMessage'] = __( 'Sorry, you are not allowed to install themes on this site.' ); wp_send_json_error( $status ); } require_once ABSPATH . 'wp-admin/includes/class-wp-upgrader.php'; require_once ABSPATH . 'wp-admin/includes/theme.php'; $api = themes_api( 'theme_information', array( 'slug' => $slug, 'fields' => array( 'sections' => false ), ) ); if ( is_wp_error( $api ) ) { $status['errorMessage'] = $api->get_error_message(); wp_send_json_error( $status ); } $skin = new WP_Ajax_Upgrader_Skin(); $upgrader = new Theme_Upgrader( $skin ); $result = $upgrader->install( $api->download_link ); if ( defined( 'WP_DEBUG' ) && WP_DEBUG ) { $status['debug'] = $skin->get_upgrade_messages(); } if ( is_wp_error( $result ) ) { $status['errorCode'] = $result->get_error_code(); $status['errorMessage'] = $result->get_error_message(); wp_send_json_error( $status ); } elseif ( is_wp_error( $skin->result ) ) { $status['errorCode'] = $skin->result->get_error_code(); $status['errorMessage'] = $skin->result->get_error_message(); wp_send_json_error( $status ); } elseif ( $skin->get_errors()->has_errors() ) { $status['errorMessage'] = $skin->get_error_messages(); wp_send_json_error( $status ); } elseif ( is_null( $result ) ) { global $wp_filesystem; $status['errorCode'] = 'unable_to_connect_to_filesystem'; $status['errorMessage'] = __( 'Unable to connect to the filesystem. Please confirm your credentials.' ); // Pass through the error from WP_Filesystem if one was raised. if ( $wp_filesystem instanceof WP_Filesystem_Base && is_wp_error( $wp_filesystem->errors ) && $wp_filesystem->errors->has_errors() ) { $status['errorMessage'] = esc_html( $wp_filesystem->errors->get_error_message() ); } wp_send_json_error( $status ); } $status['themeName'] = wp_get_theme( $slug )->get( 'Name' ); if ( current_user_can( 'switch_themes' ) ) { if ( is_multisite() ) { $status['activateUrl'] = add_query_arg( array( 'action' => 'enable', '_wpnonce' => wp_create_nonce( 'enable-theme_' . $slug ), 'theme' => $slug, ), network_admin_url( 'themes.php' ) ); } else { $status['activateUrl'] = add_query_arg( array( 'action' => 'activate', '_wpnonce' => wp_create_nonce( 'switch-theme_' . $slug ), 'stylesheet' => $slug, ), admin_url( 'themes.php' ) ); } } $theme = wp_get_theme( $slug ); $status['blockTheme'] = $theme->is_block_theme(); if ( ! is_multisite() && current_user_can( 'edit_theme_options' ) && current_user_can( 'customize' ) ) { $status['customizeUrl'] = add_query_arg( array( 'return' => urlencode( network_admin_url( 'theme-install.php', 'relative' ) ), ), wp_customize_url( $slug ) ); } /* * See WP_Theme_Install_List_Table::_get_theme_status() if we wanted to check * on post-installation status. */ wp_send_json_success( $status ); }