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Template Part Block: Load content from the parent theme if there no template in a child theme #33846

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Template Part Block: Load content from the parent theme if there no template in a child theme #33846

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29 changes: 25 additions & 4 deletions packages/block-library/src/template-part/index.php
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Original file line number Diff line number Diff line change
Expand Up @@ -5,6 +5,30 @@
* @package WordPress
*/

/**
* Gets the contents of a template file from the theme directory.
*
* @param array $attributes The block attributes.
*
* @return string The render or null.
*/
function get_block_template_part_from_theme( $attributes ) {
if ( 0 !== validate_file( $attributes['slug'] ) ) {
return null;
}

$template_part_file_path = get_stylesheet_directory() . '/block-template-parts/' . $attributes['slug'] . '.html';
if ( ! file_exists( $template_part_file_path ) ) {
$template_part_file_path = get_template_directory() . '/block-template-parts/' . $attributes['slug'] . '.html';
}

if ( file_exists( $template_part_file_path ) ) {
return _gutenberg_inject_theme_attribute_in_content( file_get_contents( $template_part_file_path ) );
}

return null;
}

/**
* Renders the `core/template-part` block on the server.
*
Expand Down Expand Up @@ -53,10 +77,7 @@ function render_block_core_template_part( $attributes ) {
} else {
// Else, if the template part was provided by the active theme,
// render the corresponding file content.
$template_part_file_path = get_stylesheet_directory() . '/block-template-parts/' . $attributes['slug'] . '.html';
if ( 0 === validate_file( $attributes['slug'] ) && file_exists( $template_part_file_path ) ) {
$content = _gutenberg_inject_theme_attribute_in_content( file_get_contents( $template_part_file_path ) );
}
$content = get_block_template_part_from_theme( $attributes );
}
}

Expand Down