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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 |
---|---|
1406 | * The dynamic portion of the hook name, `$post_type`, refers to |
1407 | * the post type slug. |
1408 | * |
1409 | * @since 3.5.0 |
1410 | * |
1411 | * @see get_post_type_labels() for the full list of labels. |
1412 | * |
1413 | * @param object $labels Object with labels for the post type as member variables. |
1414 | */ |
1415 | $labels = apply_filters( "post_type_labels_{$post_type}", $labels ); |
1416 |
|
1417 | // Ensure that the filtered labels contain all required default values. |
1418 | $labels = (object) array_merge( (array) $default_labels, (array) $labels ); |
1419 |
|
1420 | return $labels; |
1421 | } |
1422 |
|
1423 | /** |
1424 | * Build an object with custom-something object (post type, taxonomy) labels |