wp/wp-includes/class-wp-block-patterns-registry.php
changeset 21 48c4eec2b7e6
parent 19 3d72ae0968f4
child 22 8c2e4d02f4ef
--- a/wp/wp-includes/class-wp-block-patterns-registry.php	Thu Sep 29 08:06:27 2022 +0200
+++ b/wp/wp-includes/class-wp-block-patterns-registry.php	Fri Sep 05 18:40:08 2025 +0200
@@ -12,6 +12,7 @@
  *
  * @since 5.5.0
  */
+#[AllowDynamicProperties]
 final class WP_Block_Patterns_Registry {
 	/**
 	 * Registered block patterns array.
@@ -42,33 +43,46 @@
 	 *
 	 * @since 5.5.0
 	 * @since 5.8.0 Added support for the `blockTypes` property.
+	 * @since 6.1.0 Added support for the `postTypes` property.
+	 * @since 6.2.0 Added support for the `templateTypes` property.
+	 * @since 6.5.0 Added support for the `filePath` property.
 	 *
 	 * @param string $pattern_name       Block pattern name including namespace.
 	 * @param array  $pattern_properties {
 	 *     List of properties for the block pattern.
 	 *
-	 *     @type string $title         Required. A human-readable title for the pattern.
-	 *     @type string $content       Required. Block HTML markup for the pattern.
-	 *     @type string $description   Optional. Visually hidden text used to describe the pattern in the
-	 *                                 inserter. A description is optional, but is strongly
-	 *                                 encouraged when the title does not fully describe what the
-	 *                                 pattern does. The description will help users discover the
-	 *                                 pattern while searching.
-	 *     @type int    $viewportWidth Optional. The intended width of the pattern to allow for a scaled
-	 *                                 preview within the pattern inserter.
-	 *     @type array  $categories    Optional. A list of registered pattern categories used to group block
-	 *                                 patterns. Block patterns can be shown on multiple categories.
-	 *                                 A category must be registered separately in order to be used
-	 *                                 here.
-	 *     @type array  $blockTypes    Optional. A list of block names including namespace that could use
-	 *                                 the block pattern in certain contexts (placeholder, transforms).
-	 *                                 The block pattern is available in the block editor inserter
-	 *                                 regardless of this list of block names.
-	 *                                 Certain blocks support further specificity besides the block name
-	 *                                 (e.g. for `core/template-part` you can specify areas
-	 *                                 like `core/template-part/header` or `core/template-part/footer`).
-	 *     @type array  $keywords      Optional. A list of aliases or keywords that help users discover the
-	 *                                 pattern while searching.
+	 *     @type string   $title         Required. A human-readable title for the pattern.
+	 *     @type string   $content       Optional. Block HTML markup for the pattern.
+	 *                                   If not provided, the content will be retrieved from the `filePath` if set.
+	 *                                   If both `content` and `filePath` are not set, the pattern will not be registered.
+	 *     @type string   $description   Optional. Visually hidden text used to describe the pattern
+	 *                                   in the inserter. A description is optional, but is strongly
+	 *                                   encouraged when the title does not fully describe what the
+	 *                                   pattern does. The description will help users discover the
+	 *                                   pattern while searching.
+	 *     @type int      $viewportWidth Optional. The intended width of the pattern to allow for a scaled
+	 *                                   preview within the pattern inserter.
+	 *     @type bool     $inserter      Optional. Determines whether the pattern is visible in inserter.
+	 *                                   To hide a pattern so that it can only be inserted programmatically,
+	 *                                   set this to false. Default true.
+	 *     @type string[] $categories    Optional. A list of registered pattern categories used to group
+	 *                                   block patterns. Block patterns can be shown on multiple categories.
+	 *                                   A category must be registered separately in order to be used here.
+	 *     @type string[] $keywords      Optional. A list of aliases or keywords that help users discover
+	 *                                   the pattern while searching.
+	 *     @type string[] $blockTypes    Optional. A list of block names including namespace that could use
+	 *                                   the block pattern in certain contexts (placeholder, transforms).
+	 *                                   The block pattern is available in the block editor inserter
+	 *                                   regardless of this list of block names.
+	 *                                   Certain blocks support further specificity besides the block name
+	 *                                   (e.g. for `core/template-part` you can specify areas
+	 *                                   like `core/template-part/header` or `core/template-part/footer`).
+	 *     @type string[] $postTypes     Optional. An array of post types that the pattern is restricted
+	 *                                   to be used with. The pattern will only be available when editing one
+	 *                                   of the post types passed on the array. For all the other post types
+	 *                                   not part of the array the pattern is not available at all.
+	 *     @type string[] $templateTypes Optional. An array of template types where the pattern fits.
+	 *     @type string   $filePath      Optional. The full path to the file containing the block pattern content.
 	 * }
 	 * @return bool True if the pattern was registered with success and false otherwise.
 	 */
@@ -91,19 +105,22 @@
 			return false;
 		}
 
-		if ( ! isset( $pattern_properties['content'] ) || ! is_string( $pattern_properties['content'] ) ) {
-			_doing_it_wrong(
-				__METHOD__,
-				__( 'Pattern content must be a string.' ),
-				'5.5.0'
-			);
-			return false;
+		if ( ! isset( $pattern_properties['filePath'] ) ) {
+			if ( ! isset( $pattern_properties['content'] ) || ! is_string( $pattern_properties['content'] ) ) {
+				_doing_it_wrong(
+					__METHOD__,
+					__( 'Pattern content must be a string.' ),
+					'5.5.0'
+				);
+				return false;
+			}
 		}
 
 		$pattern = array_merge(
 			$pattern_properties,
 			array( 'name' => $pattern_name )
 		);
+
 		$this->registered_patterns[ $pattern_name ] = $pattern;
 
 		// If the pattern is registered inside an action other than `init`, store it
@@ -142,6 +159,55 @@
 	}
 
 	/**
+	 * Prepares the content of a block pattern. If hooked blocks are registered, they get injected into the pattern,
+	 * when they met the defined criteria.
+	 *
+	 * @since 6.4.0
+	 *
+	 * @param array $pattern       Registered pattern properties.
+	 * @param array $hooked_blocks The list of hooked blocks.
+	 * @return string The content of the block pattern.
+	 */
+	private function prepare_content( $pattern, $hooked_blocks ) {
+		$content = $pattern['content'];
+
+		$before_block_visitor = '_inject_theme_attribute_in_template_part_block';
+		$after_block_visitor  = null;
+		if ( ! empty( $hooked_blocks ) || has_filter( 'hooked_block_types' ) ) {
+			$before_block_visitor = make_before_block_visitor( $hooked_blocks, $pattern, 'insert_hooked_blocks_and_set_ignored_hooked_blocks_metadata' );
+			$after_block_visitor  = make_after_block_visitor( $hooked_blocks, $pattern, 'insert_hooked_blocks_and_set_ignored_hooked_blocks_metadata' );
+		}
+		$blocks  = parse_blocks( $content );
+		$content = traverse_and_serialize_blocks( $blocks, $before_block_visitor, $after_block_visitor );
+
+		return $content;
+	}
+
+	/**
+	 * Retrieves the content of a registered block pattern.
+	 *
+	 * @since 6.5.0
+	 *
+	 * @param string $pattern_name      Block pattern name including namespace.
+	 * @param bool   $outside_init_only Optional. Return only patterns registered outside the `init` action. Default false.
+	 * @return string The content of the block pattern.
+	 */
+	private function get_content( $pattern_name, $outside_init_only = false ) {
+		if ( $outside_init_only ) {
+			$patterns = &$this->registered_patterns_outside_init;
+		} else {
+			$patterns = &$this->registered_patterns;
+		}
+		if ( ! isset( $patterns[ $pattern_name ]['content'] ) && isset( $patterns[ $pattern_name ]['filePath'] ) ) {
+			ob_start();
+			include $patterns[ $pattern_name ]['filePath'];
+			$patterns[ $pattern_name ]['content'] = ob_get_clean();
+			unset( $patterns[ $pattern_name ]['filePath'] );
+		}
+		return $patterns[ $pattern_name ]['content'];
+	}
+
+	/**
 	 * Retrieves an array containing the properties of a registered block pattern.
 	 *
 	 * @since 5.5.0
@@ -154,7 +220,11 @@
 			return null;
 		}
 
-		return $this->registered_patterns[ $pattern_name ];
+		$pattern            = $this->registered_patterns[ $pattern_name ];
+		$pattern['content'] = $this->get_content( $pattern_name );
+		$pattern['content'] = $this->prepare_content( $pattern, get_hooked_blocks() );
+
+		return $pattern;
 	}
 
 	/**
@@ -167,11 +237,17 @@
 	 *                 and per style.
 	 */
 	public function get_all_registered( $outside_init_only = false ) {
-		return array_values(
-			$outside_init_only
+		$patterns      = $outside_init_only
 				? $this->registered_patterns_outside_init
-				: $this->registered_patterns
-		);
+				: $this->registered_patterns;
+		$hooked_blocks = get_hooked_blocks();
+
+		foreach ( $patterns as $index => $pattern ) {
+			$pattern['content']            = $this->get_content( $pattern['name'], $outside_init_only );
+			$patterns[ $index ]['content'] = $this->prepare_content( $pattern, $hooked_blocks );
+		}
+
+		return array_values( $patterns );
 	}
 
 	/**
@@ -186,6 +262,21 @@
 		return isset( $this->registered_patterns[ $pattern_name ] );
 	}
 
+	public function __wakeup() {
+		if ( ! $this->registered_patterns ) {
+			return;
+		}
+		if ( ! is_array( $this->registered_patterns ) ) {
+			throw new UnexpectedValueException();
+		}
+		foreach ( $this->registered_patterns as $value ) {
+			if ( ! is_array( $value ) ) {
+				throw new UnexpectedValueException();
+			}
+		}
+		$this->registered_patterns_outside_init = array();
+	}
+
 	/**
 	 * Utility method to retrieve the main instance of the class.
 	 *