wp-includes/blocks/gallery.php:225Renders a single core/image block for a Gallery block running in dynamic mode, applying the gallery-wide settings that affect how an image renders.
$attachment_idint$attributesarray$contextarraystringfunction block_core_gallery_render_dynamic_image( $attachment_id, $attributes, $context ) { $size_slug = $attributes['sizeSlug'] ?? 'large'; $aspect_ratio = $attributes['aspectRatio'] ?? 'auto'; $img_attr = array( 'class' => 'wp-image-' . $attachment_id ); if ( $aspect_ratio && 'auto' !== $aspect_ratio ) { // Run the aspect ratio through the same sanitization used for every other // block inline style, so an unsafe value can't break out of the style // attribute or inject additional markup. $img_attr['style'] = safecss_filter_attr( sprintf( 'aspect-ratio:%s;object-fit:cover;', $aspect_ratio ) ); } $image_markup = wp_get_attachment_image( $attachment_id, $size_slug, false, $img_attr ); if ( ! $image_markup ) { return ''; } $image_attributes = array_merge( array( 'id' => $attachment_id, 'data-id' => (string) $attachment_id, 'sizeSlug' => $size_slug, ), block_core_gallery_dynamic_image_link_attributes( $attachment_id, $attributes ) ); if ( $aspect_ratio && 'auto' !== $aspect_ratio ) { $image_attributes['aspectRatio'] = $aspect_ratio; $image_attributes['scale'] = 'cover'; } // Wrap in a link when the gallery links images somewhere. if ( ! empty( $image_attributes['href'] ) ) { $image_markup = sprintf( '<a href="%1$s"%2$s%3$s>%4$s</a>', esc_url( $image_attributes['href'] ), isset( $image_attributes['linkTarget'] ) ? ' target="' . esc_attr( $image_attributes['linkTarget'] ) . '"' : '', isset( $image_attributes['rel'] ) ? ' rel="' . esc_attr( $image_attributes['rel'] ) . '"' : '', $image_markup ); } // Use the raw caption (`post_excerpt`) so the frontend mirrors the editor // preview, which builds the caption from the REST `caption.raw` value. Gap: // the REST API exposes no caption run through `wp_get_attachment_caption`, so // that filter isn't applied here either. $attachment = get_post( $attachment_id ); $caption = $attachment ? $attachment->post_excerpt : ''; if ( '' !== $caption ) { $image_markup .= sprintf( '<figcaption class="wp-element-caption">%s</figcaption>', wp_kses_post( $caption ) ); } $figure = sprintf( '<figure class="wp-block-image size-%1$s">%2$s</figure>', esc_attr( $size_slug ), $image_markup ); $image_block = array( 'blockName' => 'core/image', 'attrs' => $image_attributes, 'innerBlocks' => array(), 'innerHTML' => $figure, 'innerContent' => array( $figure ), ); return ( new WP_Block( $image_block, $context ) )->render();}Introduced in 7.0.0.
Signature, return type and hooks compared across 1 parsed release.
src/wp-includes/blocks/gallery.php, and regenerated for each WordPress release so it tracks the code rather than a snapshot of it.