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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 |
|---|---|
| 1644 | * The dynamic portion of the hook name, $post_type, refers to |
| 1645 | * the post type slug. |
| 1646 | * |
| 1647 | * @since 3.5.0 |
| 1648 | * |
| 1649 | * @see get_post_type_labels() for the full list of labels. |
| 1650 | * |
| 1651 | * @param array $labels Array of labels for the given post type. |
| 1652 | */ |
| 1653 | return apply_filters( "post_type_labels_{$post_type}", $labels ); |
| 1654 | } |
| 1655 | |
| 1656 | /** |
| 1657 | * Build an object with custom-something object (post type, taxonomy) labels |
| 1658 | * out of a custom-something object |
| 1659 | * |
| 1660 | * @since 3.0.0 |
| 1661 | * @access private |
| 1662 | * |