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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 |
---|---|
1750 | * The dynamic portion of the hook name, `$post_type`, refers to |
1751 | * the post type slug. |
1752 | * |
1753 | * @since 3.5.0 |
1754 | * |
1755 | * @see get_post_type_labels() for the full list of labels. |
1756 | * |
1757 | * @param object $labels Object with labels for the post type as member variables. |
1758 | */ |
1759 | $labels = apply_filters( "post_type_labels_{$post_type}", $labels ); |
1760 |
|
1761 | // Ensure that the filtered labels contain all required default values. |
1762 | $labels = (object) array_merge( (array) $default_labels, (array) $labels ); |
1763 |
|
1764 | return $labels; |
1765 | } |
1766 |
|
1767 | /** |
1768 | * Build an object with custom-something object (post type, taxonomy) labels |