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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 |
---|---|
1474 |
|
1475 | /** |
1476 | * Filters the post type archive title. |
1477 | * |
1478 | * @since 3.1.0 |
1479 | * |
1480 | * @param string $post_type_name Post type 'name' label. |
1481 | * @param string $post_type Post type. |
1482 | */ |
1483 | $title = apply_filters( 'post_type_archive_title', $post_type_obj->labels->name, $post_type ); |
1484 |
|
1485 | if ( $display ) { |
1486 | echo $prefix . $title; |
1487 | } else { |
1488 | return $prefix . $title; |
1489 | } |
1490 | } |
1491 |
|
1492 | /** |