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wp_admin_viewport_meta()

Displays the viewport meta in the admin.

Source

File: wp-admin/includes/misc.php 

function wp_admin_viewport_meta() {
	/**
	 * Filters the viewport meta in the admin.
	 *
	 * @since 5.5.0
	 *
	 * @param string $viewport_meta The viewport meta.
	 */
	$viewport_meta = apply_filters( 'admin_viewport_meta', 'width=device-width,initial-scale=1.0' );

	if ( empty( $viewport_meta ) ) {
		return;
	}

	echo '<meta name="viewport" content="' . esc_attr( $viewport_meta ) . '">';
}

Uses

Uses Description
wp-admin/includes/misc.php: admin_viewport_meta

Filters the viewport meta in the admin.
wp-includes/formatting.php: esc_attr()

Escaping for HTML attributes.
wp-includes/plugin.php: apply_filters()

Calls the callback functions that have been added to a filter hook.

Changelog

Version Description
5.5.0 Introduced.

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