render_block_core_pattern

The timeline below displays how wordpress function render_block_core_pattern has changed across different WordPress versions. If a version is not listed, refer to the next available version below.

WordPress Version: 6.5

/**
 * Renders the `core/pattern` block on the server.
 *
 * @since 6.3.0 Backwards compatibility: blocks with no `syncStatus` attribute do not receive block wrapper.
 *
 * @global WP_Embed $wp_embed Used to process embedded content within patterns
 *
 * @param array $attributes Block attributes.
 *
 * @return string Returns the output of the pattern.
 */
function render_block_core_pattern($attributes)
{
    static $seen_refs = array();
    if (empty($attributes['slug'])) {
        return '';
    }
    $slug = $attributes['slug'];
    $registry = WP_Block_Patterns_Registry::get_instance();
    if (!$registry->is_registered($slug)) {
        return '';
    }
    if (isset($seen_refs[$attributes['slug']])) {
        // WP_DEBUG_DISPLAY must only be honored when WP_DEBUG. This precedent
        // is set in `wp_debug_mode()`.
        $is_debug = WP_DEBUG && WP_DEBUG_DISPLAY;
        return $is_debug ? sprintf(__('[block rendering halted for pattern "%s"]'), $slug) : '';
    }
    $pattern = $registry->get_registered($slug);
    $content = $pattern['content'];
    // Backward compatibility for handling Block Hooks and injecting the theme attribute in the Gutenberg plugin.
    // This can be removed when the minimum supported WordPress is >= 6.4.
    if (defined('IS_GUTENBERG_PLUGIN') && IS_GUTENBERG_PLUGIN && !function_exists('traverse_and_serialize_blocks')) {
        $blocks = parse_blocks($content);
        $content = gutenberg_serialize_blocks($blocks);
    }
    $seen_refs[$attributes['slug']] = true;
    $content = do_blocks($content);
    global $wp_embed;
    $content = $wp_embed->autoembed($content);
    unset($seen_refs[$attributes['slug']]);
    return $content;
}

WordPress Version: 6.4

/**
 * Renders the `core/pattern` block on the server.
 *
 * @since 6.3.0 Backwards compatibility: blocks with no `syncStatus` attribute do not receive block wrapper.
 *
 * @param array $attributes Block attributes.
 *
 * @return string Returns the output of the pattern.
 */
function render_block_core_pattern($attributes)
{
    if (empty($attributes['slug'])) {
        return '';
    }
    $slug = $attributes['slug'];
    $registry = WP_Block_Patterns_Registry::get_instance();
    if (!$registry->is_registered($slug)) {
        return '';
    }
    $pattern = $registry->get_registered($slug);
    $content = $pattern['content'];
    // Backward compatibility for handling Block Hooks and injecting the theme attribute in the Gutenberg plugin.
    // This can be removed when the minimum supported WordPress is >= 6.4.
    if (defined('IS_GUTENBERG_PLUGIN') && IS_GUTENBERG_PLUGIN && !function_exists('traverse_and_serialize_blocks')) {
        $blocks = parse_blocks($content);
        $content = gutenberg_serialize_blocks($blocks);
    }
    return do_blocks($content);
}

WordPress Version: 6.3

/**
 * Renders the `core/pattern` block on the server.
 *
 * @since 6.3.0 Backwards compatibility: blocks with no `syncStatus` attribute do not receive block wrapper.
 *
 * @param array $attributes Block attributes.
 *
 * @return string Returns the output of the pattern.
 */
function render_block_core_pattern($attributes)
{
    if (empty($attributes['slug'])) {
        return '';
    }
    $slug = $attributes['slug'];
    $registry = WP_Block_Patterns_Registry::get_instance();
    if (!$registry->is_registered($slug)) {
        return '';
    }
    $pattern = $registry->get_registered($slug);
    return do_blocks($pattern['content']);
}

WordPress Version: 5.9

/**
 * Renders the `core/pattern` block on the server.
 *
 * @param array $attributes Block attributes.
 *
 * @return string Returns the output of the pattern.
 */
function render_block_core_pattern($attributes)
{
    if (empty($attributes['slug'])) {
        return '';
    }
    $slug = $attributes['slug'];
    $registry = WP_Block_Patterns_Registry::get_instance();
    if (!$registry->is_registered($slug)) {
        return '';
    }
    $pattern = $registry->get_registered($slug);
    return do_blocks($pattern['content']);
}