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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 |
|---|---|
| 1081 | * |
| 1082 | * The dynamic portion of the hook name, `$this->post_type`, refers to the post type slug. |
| 1083 | * |
| 1084 | * @since 4.7.0 |
| 1085 | * |
| 1086 | * @param stdClass $prepared_post An object representing a single post prepared |
| 1087 | * for inserting or updating the database. |
| 1088 | * @param WP_REST_Request $request Request object. |
| 1089 | */ |
| 1090 | return apply_filters( "rest_pre_insert_{$this->post_type}", $prepared_post, $request ); |
| 1091 | |
| 1092 | } |
| 1093 | |
| 1094 | /** |
| 1095 | * Determines validity and normalizes the given status parameter. |
| 1096 | * |
| 1097 | * @since 4.7.0 |
| 1098 | * |
| 1099 | * @param string $post_status Post status. |