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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 |
|---|---|
| 129 | if ( post_type_supports($post_type, 'excerpt') ) |
| 130 | add_meta_box('postexcerpt', __('Excerpt'), 'post_excerpt_meta_box', $post_type, 'normal', 'core'); |
| 131 | |
| 132 | if ( post_type_supports($post_type, 'trackbacks') ) |
| 133 | add_meta_box('trackbacksdiv', __('Send Trackbacks'), 'post_trackback_meta_box', $post_type, 'normal', 'core'); |
| 134 | |
| 135 | if ( post_type_supports($post_type, 'custom-fields') ) |
| 136 | add_meta_box('postcustom', __('Custom Fields'), 'post_custom_meta_box', $post_type, 'normal', 'core'); |
| 137 | |
| 138 | do_action('dbx_post_advanced'); |
| 139 | if ( post_type_supports($post_type, 'comments') ) |
| 140 | add_meta_box('commentstatusdiv', __('Discussion'), 'post_comment_status_meta_box', $post_type, 'normal', 'core'); |
| 141 | |
| 142 | if ( ('publish' == $post->post_status || 'private' == $post->post_status) && post_type_supports($post_type, 'comments') ) |
| 143 | add_meta_box('commentsdiv', __('Comments'), 'post_comment_meta_box', $post_type, 'normal', 'core'); |
| 144 | |
| 145 | if ( !( 'pending' == $post->post_status && !current_user_can( $post_type_object->cap->publish_posts ) ) ) |
| 146 | add_meta_box('slugdiv', __('Slug'), 'post_slug_meta_box', $post_type, 'normal', 'core'); |
| 147 | |