_load_remote_block_patterns() │ WP 5.8.0

Register Core's official patterns from wordpress.org/patterns.

Internal function — this function is designed to be used by the kernel itself. It is not recommended to use this function in your code.

Hooks from the function

Return

null. Nothing (null).

Usage

_load_remote_block_patterns( $deprecated );
$deprecated(WP_Screen)
Unused. Formerly the screen that the current request was triggered from.
Default: null

Changelog

Since 5.8.0 Introduced.
Since 5.9.0 The $current_screen argument was removed.
Since 6.2.0 Normalize the pattern from the API (snake_case) to the format expected by register_block_pattern (camelCase).
Since 6.3.0 Add 'pattern-directory/core' to the pattern's 'source'.

_load_remote_block_patterns() code WP 6.5.2

wp-includes/block-patterns.php 
function _load_remote_block_patterns( $deprecated = null ) {
	if ( ! empty( $deprecated ) ) {
		_deprecated_argument( __FUNCTION__, '5.9.0' );
		$current_screen = $deprecated;
		if ( ! $current_screen->is_block_editor ) {
			return;
		}
	}

	$supports_core_patterns = get_theme_support( 'core-block-patterns' );

	/**
	 * Filter to disable remote block patterns.
	 *
	 * @since 5.8.0
	 *
	 * @param bool $should_load_remote
	 */
	$should_load_remote = apply_filters( 'should_load_remote_block_patterns', true );

	if ( $supports_core_patterns && $should_load_remote ) {
		$request         = new WP_REST_Request( 'GET', '/wp/v2/pattern-directory/patterns' );
		$core_keyword_id = 11; // 11 is the ID for "core".
		$request->set_param( 'keyword', $core_keyword_id );
		$response = rest_do_request( $request );
		if ( $response->is_error() ) {
			return;
		}
		$patterns = $response->get_data();

		foreach ( $patterns as $pattern ) {
			$pattern['source']  = 'pattern-directory/core';
			$normalized_pattern = wp_normalize_remote_block_pattern( $pattern );
			$pattern_name       = 'core/' . sanitize_title( $normalized_pattern['title'] );
			register_block_pattern( $pattern_name, $normalized_pattern );
		}
	}
}