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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.
Line | Code |
---|---|
1333 | * @since 3.9.0 |
1334 | * @since 4.4.0 Converted to allow complete control over the `$page_templates` array. |
1335 | * @since 4.7.0 Added the `$post_type` parameter. |
1336 | * |
1337 | * @param string[] $post_templates Array of template header names keyed by the template file name. |
1338 | * @param WP_Theme $theme The theme object. |
1339 | * @param WP_Post|null $post The post being edited, provided for context, or null. |
1340 | * @param string $post_type Post type to get the templates for. |
1341 | */ |
1342 | $post_templates = (array) apply_filters( "theme_{$post_type}_templates", $post_templates, $this, $post, $post_type ); |
1343 |
|
1344 | return $post_templates; |
1345 | } |
1346 |
|
1347 | /** |
1348 | * Scans a directory for files of a certain extension. |
1349 | * |
1350 | * @since 3.4.0 |
1351 | * |