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<?php |
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/** |
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* Temporary compatibility shims for features present in Gutenberg, pending |
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* upstream commit to the WordPress core source repository. Functions here |
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* exist only as long as necessary for corresponding WordPress support, and |
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* each should be associated with a Trac ticket. |
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* |
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* @package gutenberg |
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*/ |
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|
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/** |
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* Filters allowed CSS attributes to include `flex-basis`, included in saved |
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* markup of the Column block. |
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* |
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* This can be removed when plugin support requires WordPress 5.3.0+. |
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* |
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* @see https://core.trac.wordpress.org/ticket/47281 |
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* @see https://core.trac.wordpress.org/changeset/45363 |
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* |
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* @since 5.7.0 |
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* |
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* @param string[] $attr Array of allowed CSS attributes. |
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* |
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* @return string[] Filtered array of allowed CSS attributes. |
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*/ |
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function gutenberg_safe_style_css_column_flex_basis( $attr ) { |
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$attr[] = 'flex-basis'; |
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|
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return $attr; |
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} |
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add_filter( 'safe_style_css', 'gutenberg_safe_style_css_column_flex_basis' ); |
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|
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/** |
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* Shim that hooks into `pre_render_block` so as to override `render_block` |
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* with a function that passes `render_callback` the block object as the |
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* argument. |
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* |
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* @param string $pre_render The pre-rendered content. Default null. |
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* @param array $block The block being rendered. |
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* |
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* @return string String of rendered HTML. |
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*/ |
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function gutenberg_provide_render_callback_with_block_object( $pre_render, $block ) { |
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global $post; |
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|
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$source_block = $block; |
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|
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/** This filter is documented in src/wp-includes/blocks.php */ |
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$block = apply_filters( 'render_block_data', $block, $source_block ); |
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|
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$block_type = WP_Block_Type_Registry::get_instance()->get_registered( $block['blockName'] ); |
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$is_dynamic = $block['blockName'] && null !== $block_type && $block_type->is_dynamic(); |
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$block_content = ''; |
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$index = 0; |
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|
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foreach ( $block['innerContent'] as $chunk ) { |
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$block_content .= is_string( $chunk ) ? $chunk : render_block( $block['innerBlocks'][ $index++ ] ); |
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} |
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|
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if ( ! is_array( $block['attrs'] ) ) { |
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$block['attrs'] = array(); |
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} |
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|
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if ( $is_dynamic ) { |
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$global_post = $post; |
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|
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$prepared_attributes = $block_type->prepare_attributes_for_render( $block['attrs'] ); |
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$block_content = (string) call_user_func( $block_type->render_callback, $prepared_attributes, $block_content, $block ); |
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|
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$post = $global_post; |
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} |
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|
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/** This filter is documented in src/wp-includes/blocks.php */ |
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return apply_filters( 'render_block', $block_content, $block ); |
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} |
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add_filter( 'pre_render_block', 'gutenberg_provide_render_callback_with_block_object', 10, 2 ); |
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|
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/** |
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* Sets the current post for usage in template blocks. |
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* |
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* @return WP_Post|null The post if any, or null otherwise. |
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*/ |
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function gutenberg_get_post_from_context() { |
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// TODO: Without this temporary fix, an infinite loop can occur where |
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// posts with post content blocks render themselves recursively. |
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if ( is_admin() || defined( 'REST_REQUEST' ) ) { |
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return null; |
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} |
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if ( ! in_the_loop() ) { |
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rewind_posts(); |
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the_post(); |
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} |
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return get_post(); |
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} |
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|
