admin_viewport_meta filter-hook . WP 5.5.0

Filters the viewport meta in the admin.

Usage

add_filter( 'admin_viewport_meta', 'filter_function_name_9128', 10, 2 );
function filter_function_name_9128( $viewport_meta, $initial-scale=10 ){
	// filter...

	return $viewport_meta;
}

$viewport_meta(string)

The viewport meta.

$initial-scale=10

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Changelog

Where the hook is called

$viewport_meta = apply_filters( 'admin_viewport_meta', 'width=device-width,initial-scale=1.0' );

Where in WP core the hook is used WordPress

add_filter( 'admin_viewport_meta', '_customizer_mobile_viewport_meta' );