get_gmt_from_date( string $string, string $format = 'Y-m-d H:i:s' )

Given a date in the timezone of the site, returns that date in UTC.

Description

Requires and returns a date in the Y-m-d H:i:s format. Return format can be overridden using the $format parameter.

Parameters

$string

(string) (Required) The date to be converted, in the timezone of the site.

$format

(string) (Optional) The format string for the returned date.

Default value: 'Y-m-d H:i:s'

Return

(string) Formatted version of the date, in UTC.

Source

File: wp-includes/formatting.php 

function get_gmt_from_date( $string, $format = 'Y-m-d H:i:s' ) {
	$datetime = date_create( $string, wp_timezone() );

	if ( false === $datetime ) {
		return gmdate( $format, 0 );
	}

	return $datetime->setTimezone( new DateTimeZone( 'UTC' ) )->format( $format );
}

Uses

Uses Description
wp-includes/functions.php: wp_timezone()

Retrieves the timezone from site settings as a DateTimeZone object.

Used By

Used By Description
wp-includes/rest-api/endpoints/class-wp-rest-posts-controller.php: WP_REST_Posts_Controller::prepare_item_for_response()

Prepares a single post output for response.
wp-includes/rest-api.php: rest_get_date_with_gmt()

Parses a date into both its local and UTC equivalent, in MySQL datetime format.
wp-admin/includes/post.php: _wp_translate_postdata()

Rename $_POST data from form names to DB post columns.
wp-includes/class-wp-customize-manager.php: WP_Customize_Manager::save()

Handle customize_save WP Ajax request to save/update a changeset.
wp-includes/post.php: _future_post_hook()

Hook used to schedule publication for a post marked for the future.
wp-includes/post.php: wp_insert_post()

Insert or update a post.
wp-includes/class-wp-xmlrpc-server.php: wp_xmlrpc_server::_convert_date_gmt()

Convert a WordPress GMT date string to an IXR_Date object.
wp-includes/comment.php: wp_update_comment()

Updates an existing comment in the database.
wp-includes/comment.php: wp_insert_comment()

Inserts a comment into the database.

Changelog

Version Description
1.2.0 Introduced.

© 2003–2021 WordPress Foundation
Licensed under the GNU GPLv2+ License.
https://developer.wordpress.org/reference/functions/get_gmt_from_date