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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 |
|---|---|
| 1094 | * @since 4.4.0 Converted to allow complete control over the `$page_templates` array. |
| 1095 | * @since 4.7.0 Added the `$post_type` parameter. |
| 1096 | * |
| 1097 | * @param array $post_templates Array of page templates. Keys are filenames, |
| 1098 | * values are translated names. |
| 1099 | * @param WP_Theme $this The theme object. |
| 1100 | * @param WP_Post|null $post The post being edited, provided for context, or null. |
| 1101 | * @param string $post_type Post type to get the templates for. |
| 1102 | */ |
| 1103 | return (array) apply_filters( "theme_{$post_type}_templates", $post_templates, $this, $post, $post_type ); |
| 1104 | } |
| 1105 | |
| 1106 | /** |
| 1107 | * Scans a directory for files of a certain extension. |
| 1108 | * |
| 1109 | * @since 3.4.0 |
| 1110 | * |
| 1111 | * @static |
| 1112 | * @access private |