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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 |
---|---|
1996 | * - `post_type_labels_page` |
1997 | * - `post_type_labels_attachment` |
1998 | * |
1999 | * @since 3.5.0 |
2000 | * |
2001 | * @see get_post_type_labels() for the full list of labels. |
2002 | * |
2003 | * @param object $labels Object with labels for the post type as member variables. |
2004 | */ |
2005 | $labels = apply_filters( "post_type_labels_{$post_type}", $labels ); |
2006 |
|
2007 | // Ensure that the filtered labels contain all required default values. |
2008 | $labels = (object) array_merge( (array) $default_labels, (array) $labels ); |
2009 |
|
2010 | return $labels; |
2011 | } |
2012 |
|
2013 | /** |
2014 | * Build an object with custom-something object (post type, taxonomy) labels |