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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 |
---|---|
1051 |
|
1052 | /** |
1053 | * Filter whether the current post is open for comments. |
1054 | * |
1055 | * @since 2.5.0 |
1056 | * |
1057 | * @param bool $open Whether the current post is open for comments. |
1058 | * @param int|WP_Post $post_id The post ID or WP_Post object. |
1059 | */ |
1060 | return apply_filters( 'comments_open', $open, $post_id ); |
1061 | } |
1062 |
|
1063 | /** |
1064 | * Whether the current post is open for pings. |
1065 | * |
1066 | * @since 1.5.0 |
1067 | * |
1068 | * @param int|WP_Post $post_id Post ID or WP_Post object. Default current post. |
1069 | * @return bool True if pings are accepted |