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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 |
|---|---|
| 1220 | |
| 1221 | /** |
| 1222 | * Filter the notice output for the 'Browse Happy' nag meta box. |
| 1223 | * |
| 1224 | * @since 3.2.0 |
| 1225 | * |
| 1226 | * @param string $notice The notice content. |
| 1227 | * @param array $response An array containing web browser information. |
| 1228 | */ |
| 1229 | echo apply_filters( 'browse-happy-notice', $notice, $response ); |
| 1230 | } |
| 1231 | |
| 1232 | function dashboard_browser_nag_class( $classes ) { |
| 1233 | $response = wp_check_browser_version(); |
| 1234 | |
| 1235 | if ( $response && $response['insecure'] ) |
| 1236 | $classes[] = 'browser-insecure'; |
| 1237 | |
| 1238 | return $classes; |