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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 |
---|---|
1222 |
|
1223 | /** |
1224 | * Filters whether the current post is open for pings. |
1225 | * |
1226 | * @since 2.5.0 |
1227 | * |
1228 | * @param bool $open Whether the current post is open for pings. |
1229 | * @param int $post_id The post ID. |
1230 | */ |
1231 | return apply_filters( 'pings_open', $open, $post_id ); |
1232 | } |
1233 |
|
1234 | /** |
1235 | * Display form token for unfiltered comments. |
1236 | * |
1237 | * Will only display nonce token if the current user has permissions for |
1238 | * unfiltered html. Won't display the token for other users. |
1239 | * |
1240 | * The function was backported to 2.0.10 and was added to versions 2.1.3 and |