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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 |
|---|---|
| 138 | if ( post_type_supports($post_type, 'excerpt') ) |
| 139 | add_meta_box('postexcerpt', __('Excerpt'), 'post_excerpt_meta_box', null, 'normal', 'core'); |
| 140 | |
| 141 | if ( post_type_supports($post_type, 'trackbacks') ) |
| 142 | add_meta_box('trackbacksdiv', __('Send Trackbacks'), 'post_trackback_meta_box', null, 'normal', 'core'); |
| 143 | |
| 144 | if ( post_type_supports($post_type, 'custom-fields') ) |
| 145 | add_meta_box('postcustom', __('Custom Fields'), 'post_custom_meta_box', null, 'normal', 'core'); |
| 146 | |
| 147 | do_action('dbx_post_advanced'); |
| 148 | if ( post_type_supports($post_type, 'comments') ) |
| 149 | add_meta_box('commentstatusdiv', __('Discussion'), 'post_comment_status_meta_box', null, 'normal', 'core'); |
| 150 | |
| 151 | if ( ( 'publish' == get_post_status( $post ) || 'private' == get_post_status( $post ) ) && post_type_supports($post_type, 'comments') ) |
| 152 | add_meta_box('commentsdiv', __('Comments'), 'post_comment_meta_box', null, 'normal', 'core'); |
| 153 | |
| 154 | if ( ! ( 'pending' == get_post_status( $post ) && ! current_user_can( $post_type_object->cap->publish_posts ) ) ) |
| 155 | add_meta_box('slugdiv', __('Slug'), 'post_slug_meta_box', null, 'normal', 'core'); |
| 156 | |