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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 |
|---|---|
| 829 | } else { |
| 830 | /** |
| 831 | * Filters the site information returned by get_bloginfo(). |
| 832 | * |
| 833 | * @since 0.71 |
| 834 | * |
| 835 | * @param mixed $output The requested non-URL site information. |
| 836 | * @param mixed $show Type of information requested. |
| 837 | */ |
| 838 | $output = apply_filters( 'bloginfo', $output, $show ); |
| 839 | } |
| 840 | } |
| 841 | |
| 842 | return $output; |
| 843 | } |
| 844 | |
| 845 | /** |
| 846 | * Returns the Site Icon URL. |
| 847 | * |