| 1 |
<?php |
| 2 |
/** |
| 3 |
* Server-side rendering of the `core/block` block. |
| 4 |
* |
| 5 |
* @package WordPress |
| 6 |
*/ |
| 7 |
|
| 8 |
/** |
| 9 |
* Renders the `core/block` block on server. |
| 10 |
* |
| 11 |
* @since 5.0.0 |
| 12 |
* |
| 13 |
* @global WP_Embed $wp_embed |
| 14 |
* |
| 15 |
* @param array $attributes The block attributes. |
| 16 |
* |
| 17 |
* @return string Rendered HTML of the referenced block. |
| 18 |
*/ |
| 19 |
function gutenberg_render_block_core_block( $attributes ) { |
| 20 |
static $seen_refs = array(); |
| 21 |
|
| 22 |
if ( empty( $attributes['ref'] ) ) { |
| 23 |
return ''; |
| 24 |
} |
| 25 |
|
| 26 |
$reusable_block = get_post( $attributes['ref'] ); |
| 27 |
if ( ! $reusable_block || 'wp_block' !== $reusable_block->post_type ) { |
| 28 |
return ''; |
| 29 |
} |
| 30 |
|
| 31 |
if ( isset( $seen_refs[ $attributes['ref'] ] ) ) { |
| 32 |
// WP_DEBUG_DISPLAY must only be honored when WP_DEBUG. This precedent |
| 33 |
// is set in `wp_debug_mode()`. |
| 34 |
$is_debug = WP_DEBUG && WP_DEBUG_DISPLAY; |
| 35 |
|
| 36 |
return $is_debug ? |
| 37 |
// translators: Visible only in the front end, this warning takes the place of a faulty block. |
| 38 |
__( '[block rendering halted]' ) : |
| 39 |
''; |
| 40 |
} |
| 41 |
|
| 42 |
if ( 'publish' !== $reusable_block->post_status || ! empty( $reusable_block->post_password ) ) { |
| 43 |
return ''; |
| 44 |
} |
| 45 |
|
| 46 |
$seen_refs[ $attributes['ref'] ] = true; |
| 47 |
|
| 48 |
// Handle embeds for reusable blocks. |
| 49 |
global $wp_embed; |
| 50 |
$content = $wp_embed->run_shortcode( $reusable_block->post_content ); |
| 51 |
$content = $wp_embed->autoembed( $content ); |
| 52 |
|
| 53 |
// Back compat. |
| 54 |
// For blocks that have not been migrated in the editor, add some back compat |
| 55 |
// so that front-end rendering continues to work. |
| 56 |
|
| 57 |
// This matches the `v2` deprecation. Removes the inner `values` property |
| 58 |
// from every item. |
| 59 |
if ( isset( $attributes['content'] ) ) { |
| 60 |
foreach ( $attributes['content'] as &$content_data ) { |
| 61 |
if ( isset( $content_data['values'] ) ) { |
| 62 |
$is_assoc_array = is_array( $content_data['values'] ) && ! wp_is_numeric_array( $content_data['values'] ); |
| 63 |
|
| 64 |
if ( $is_assoc_array ) { |
| 65 |
$content_data = $content_data['values']; |
| 66 |
} |
| 67 |
} |
| 68 |
} |
| 69 |
} |
| 70 |
|
| 71 |
// This matches the `v1` deprecation. Rename `overrides` to `content`. |
| 72 |
if ( isset( $attributes['overrides'] ) && ! isset( $attributes['content'] ) ) { |
| 73 |
$attributes['content'] = $attributes['overrides']; |
| 74 |
} |
| 75 |
|
| 76 |
/** |
| 77 |
* We set the `pattern/overrides` context through the `render_block_context` |
| 78 |
* filter so that it is available when a pattern's inner blocks are |
| 79 |
* rendering via do_blocks given it only receives the inner content. |
| 80 |
*/ |
| 81 |
$has_pattern_overrides = isset( $attributes['content'] ) && null !== get_block_bindings_source( 'core/pattern-overrides' ); |
| 82 |
if ( $has_pattern_overrides ) { |
| 83 |
$filter_block_context = static function ( $context ) use ( $attributes ) { |
| 84 |
$context['pattern/overrides'] = $attributes['content']; |
| 85 |
return $context; |
| 86 |
}; |
| 87 |
add_filter( 'render_block_context', $filter_block_context, 1 ); |
| 88 |
} |
| 89 |
|
| 90 |
$ignored_hooked_blocks = get_post_meta( $attributes['ref'], '_wp_ignored_hooked_blocks', true ); |
| 91 |
if ( ! empty( $ignored_hooked_blocks ) ) { |
| 92 |
$ignored_hooked_blocks = json_decode( $ignored_hooked_blocks, true ); |
| 93 |
$attributes['metadata'] = array( |
| 94 |
'ignoredHookedBlocks' => $ignored_hooked_blocks, |
| 95 |
); |
| 96 |
} |
| 97 |
|
| 98 |
// Wrap in "Block" block so the Block Hooks algorithm can insert blocks |
| 99 |
// that are hooked as first or last child of `core/block`. |
| 100 |
$content = get_comment_delimited_block_content( |
| 101 |
'core/block', |
| 102 |
$attributes, |
| 103 |
$content |
| 104 |
); |
| 105 |
// Apply Block Hooks. |
| 106 |
$content = apply_block_hooks_to_content( $content, $reusable_block ); |
| 107 |
// Remove block wrapper. |
| 108 |
$content = remove_serialized_parent_block( $content ); |
| 109 |
|
| 110 |
$content = do_blocks( $content ); |
| 111 |
unset( $seen_refs[ $attributes['ref'] ] ); |
| 112 |
|
| 113 |
if ( $has_pattern_overrides ) { |
| 114 |
remove_filter( 'render_block_context', $filter_block_context, 1 ); |
| 115 |
} |
| 116 |
|
| 117 |
return $content; |
| 118 |
} |
| 119 |
|
| 120 |
/** |
| 121 |
* Registers the `core/block` block. |
| 122 |
* |
| 123 |
* @since 5.3.0 |
| 124 |
*/ |
| 125 |
function gutenberg_register_block_core_block() { |
| 126 |
register_block_type_from_metadata( |
| 127 |
__DIR__ . '/block', |
| 128 |
array( |
| 129 |
'render_callback' => 'gutenberg_render_block_core_block', |
| 130 |
) |
| 131 |
); |
| 132 |
} |
| 133 |
add_action( 'init', 'gutenberg_register_block_core_block', 20 ); |
| 134 |
|
