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The best way to understand what a hook does is to look at where it occurs in the source code.
do_action( "hook_name" )
apply_filters( "hook_name", "what_to_filter" )
.Remember, this hook may occur in more than one file. Moreover, the hook's context may change from version to version.
This hook occurs 3 times in this file.
Line | Code |
---|---|
1309 | */ |
1310 | $block_template = apply_filters( 'pre_get_block_file_template', null, $id, $template_type ); |
1311 | if ( ! is_null( $block_template ) ) { |
1312 | return $block_template; |
1313 | } |
1314 |
|
1315 | $parts = explode( '//', $id, 2 ); |
1316 | if ( count( $parts ) < 2 ) { |
1317 | /** This filter is documented in wp-includes/block-template-utils.php */ |
1318 | return apply_filters( 'get_block_file_template', null, $id, $template_type ); |
1319 | } |
1320 | list( $theme, $slug ) = $parts; |
1321 |
|
1322 | if ( get_stylesheet() === $theme ) { |
1323 | $template_file = _get_block_template_file( $template_type, $slug ); |
1324 | if ( null !== $template_file ) { |
1325 | $block_template = _build_block_template_result_from_file( $template_file, $template_type ); |
1326 |
|
1327 | /** This filter is documented in wp-includes/block-template-utils.php */ |
1328 | return apply_filters( 'get_block_file_template', $block_template, $id, $template_type ); |
1329 | } |
1330 | } |
1331 |
|
1332 | $block_template = WP_Block_Templates_Registry::get_instance()->get_by_slug( $slug ); |
1333 |
|
1334 | /** |
1335 | * Filters the block template object after it has been (potentially) fetched from the theme file. |
1336 | * |
1337 | * @since 5.9.0 |
1338 | * |
1339 | * @param WP_Block_Template|null $block_template The found block template, or null if there is none. |
1340 | * @param string $id Template unique identifier (example: 'theme_slug//template_slug'). |
1341 | * @param string $template_type Template type. Either 'wp_template' or 'wp_template_part'. |
1342 | */ |
1343 | return apply_filters( 'get_block_file_template', $block_template, $id, $template_type ); |
1344 | } |
1345 |
|
1346 | /** |
1347 | * Prints a block template part. |
1348 | * |
1349 | * @since 5.9.0 |
1350 | * |
1351 | * @param string $part The block template part to print, for example 'header' or 'footer'. |
1352 | */ |