admin_viewport_meta │ filter-hook │ WP 5.5.0

Filters the viewport meta in the admin.

Usage

add_filter( 'admin_viewport_meta', 'wp_kama_admin_viewport_meta_filter', 10, 2 );

/**
 * Function for `admin_viewport_meta` filter-hook.
 * 
 * @param string $viewport_meta    The viewport meta.
 * @param        $initial-scale=10 
 *
 * @return string
 */
function wp_kama_admin_viewport_meta_filter( $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 the hook is used in WordPress

add_filter( 'admin_viewport_meta', '_customizer_mobile_viewport_meta' );