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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 |
---|---|
140 | $available_templates |
141 | ) : $available_templates; |
142 |
|
143 | // Lock settings. |
144 | $user_id = wp_check_post_lock( $post->ID ); |
145 | if ( $user_id ) { |
146 | $locked = false; |
147 |
|
148 | /** This filter is documented in wp-admin/includes/post.php */ |
149 | if ( apply_filters( 'show_post_locked_dialog', true, $post, $user_id ) ) { |
150 | $locked = true; |
151 | } |
152 |
|
153 | $user_details = null; |
154 | if ( $locked ) { |
155 | $user = get_userdata( $user_id ); |
156 | $user_details = array( |
157 | 'avatar' => get_avatar_url( $user_id, array( 'size' => 128 ) ), |
158 | 'name' => $user->display_name, |