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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 |
|---|---|
| 1816 | * @since MU |
| 1817 | * @uses update_blog_status() |
| 1818 | * |
| 1819 | * @param int $old_value |
| 1820 | * @param int $value The new public value |
| 1821 | * @return bool |
| 1822 | */ |
| 1823 | function update_blog_public( $old_value, $value ) { |
| 1824 | global $wpdb; |
| 1825 | do_action('update_blog_public'); |
| 1826 | update_blog_status( $wpdb->blogid, 'public', (int) $value ); |
| 1827 | } |
| 1828 | add_action('update_option_blog_public', 'update_blog_public', 10, 2); |
| 1829 | |
| 1830 | /** |
| 1831 | * Get the "dashboard blog", the blog where users without a blog edit their profile data. |
| 1832 | * |
| 1833 | * @since MU |
| 1834 | * @uses get_blog_details() |