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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 |
---|---|
1738 | * The dynamic portion of the hook name, `$post_type`, refers to |
1739 | * the post type slug. |
1740 | * |
1741 | * @since 3.5.0 |
1742 | * |
1743 | * @see get_post_type_labels() for the full list of labels. |
1744 | * |
1745 | * @param object $labels Object with labels for the post type as member variables. |
1746 | */ |
1747 | $labels = apply_filters( "post_type_labels_{$post_type}", $labels ); |
1748 |
|
1749 | // Ensure that the filtered labels contain all required default values. |
1750 | $labels = (object) array_merge( (array) $default_labels, (array) $labels ); |
1751 |
|
1752 | return $labels; |
1753 | } |
1754 |
|
1755 | /** |
1756 | * Build an object with custom-something object (post type, taxonomy) labels |