W3cubDocs

/WordPress

wp_ajax_save_user_color_scheme()

Ajax handler for auto-saving the selected color scheme for a user’s own profile.

Source

File: wp-admin/includes/ajax-actions.php 

function wp_ajax_save_user_color_scheme() {
	global $_wp_admin_css_colors;

	check_ajax_referer( 'save-color-scheme', 'nonce' );

	$color_scheme = sanitize_key( $_POST['color_scheme'] );

	if ( ! isset( $_wp_admin_css_colors[ $color_scheme ] ) ) {
		wp_send_json_error();
	}

	$previous_color_scheme = get_user_meta( get_current_user_id(), 'admin_color', true );
	update_user_meta( get_current_user_id(), 'admin_color', $color_scheme );

	wp_send_json_success(
		array(
			'previousScheme' => 'admin-color-' . $previous_color_scheme,
			'currentScheme'  => 'admin-color-' . $color_scheme,
		)
	);
}

Uses

Uses Description
wp-includes/formatting.php: sanitize_key()

Sanitizes a string key.
wp-includes/pluggable.php: check_ajax_referer()

Verifies the Ajax request to prevent processing requests external of the blog.
wp-includes/functions.php: wp_send_json_error()

Send a JSON response back to an Ajax request, indicating failure.
wp-includes/functions.php: wp_send_json_success()

Send a JSON response back to an Ajax request, indicating success.
wp-includes/user.php: get_user_meta()

Retrieve user meta field for a user.
wp-includes/user.php: update_user_meta()

Update user meta field based on user ID.
wp-includes/user.php: get_current_user_id()

Get the current user’s ID

Changelog

Version Description
3.8.0 Introduced.

© 2003–2019 WordPress Foundation
Licensed under the GNU GPLv2+ License.
https://developer.wordpress.org/reference/functions/wp_ajax_save_user_color_scheme