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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 |
|---|---|
| 977 | function wp_check_post_lock( $post_id ) { |
| 978 | global $current_user; |
| 979 | |
| 980 | if ( !$post = get_post( $post_id ) ) |
| 981 | return false; |
| 982 | |
| 983 | $lock = get_post_meta( $post->ID, '_edit_lock', true ); |
| 984 | $last = get_post_meta( $post->ID, '_edit_last', true ); |
| 985 | |
| 986 | $time_window = apply_filters( 'wp_check_post_lock_window', AUTOSAVE_INTERVAL * 2 ); |
| 987 | |
| 988 | if ( $lock && $lock > time() - $time_window && $last != $current_user->ID ) |
| 989 | return $last; |
| 990 | return false; |
| 991 | } |
| 992 | |
| 993 | /** |
| 994 | * {@internal Missing Short Description}} |
| 995 | * |