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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 |
|---|---|
| 142 | $editable = get_editable_user_ids( $user_id ); |
| 143 | |
| 144 | if( !$editable ) { |
| 145 | return false; |
| 146 | } else { |
| 147 | $editable = join(',', $editable); |
| 148 | $authors = $wpdb->get_results( "SELECT * FROM $wpdb->users WHERE ID IN ($editable) ORDER BY display_name" ); |
| 149 | } |
| 150 | |
| 151 | return apply_filters('get_editable_authors', $authors); |
| 152 | } |
| 153 | |
| 154 | function get_editable_user_ids( $user_id, $exclude_zeros = true ) { |
| 155 | global $wpdb; |
| 156 | |
| 157 | $user = new WP_User( $user_id ); |
| 158 | |
| 159 | if ( ! $user->has_cap('edit_others_posts') ) { |
| 160 | if ( $user->has_cap('edit_posts') || $exclude_zeros == false ) |