register_importer( string $id, string $name, string $description, callable $callback ): void|WP_Error

Registers importer for WordPress.

Parameters

$idstringrequired: Importer tag. Used to uniquely identify importer.
$namestringrequired: Importer name and title.
$descriptionstringrequired: Importer description.
$callbackcallablerequired: Callback to run.

Return

void|WP_Error Void on success. WP_Error when $callback is WP_Error.

Source

function register_importer( $id, $name, $description, $callback ) {
	global $wp_importers;
	if ( is_wp_error( $callback ) ) {
		return $callback;
	}
	$wp_importers[ $id ] = array( $name, $description, $callback );
}

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Uses	Description
is_wp_error()`wp-includes/load.php`	Checks whether the given variable is a WordPress Error.

Changelog

Version	Description
2.0.0	Introduced.

User Contributed Notes

jakeparis 3 years ago

This function needs to be called inside the admin_init (or init) action, otherwise it will sometimes cause a Fatal Error.

add_action( 'admin_init', function () {
	register_importer( 
		'wpdocs-import-the-things',
		'WPDocs Import the Things',
		'Lets you import those things',
		'wpdocs_the_things_importer'
	);
} );

function wpdocs_the_things_importer() {
	// echo the content of the page for when this importer is called. 
	// Just like any other admin page
}

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