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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 |
|---|---|
| 8936 | function wp_admin_notice( $message, $args = array() ) { |
| 8937 | /** |
| 8938 | * Fires before an admin notice is output. |
| 8939 | * |
| 8940 | * @since 6.4.0 |
| 8941 | * |
| 8942 | * @param string $message The message for the admin notice. |
| 8943 | * @param array $args The arguments for the admin notice. |
| 8944 | */ |
| 8945 | do_action( 'wp_admin_notice', $message, $args ); |
| 8946 | |
| 8947 | echo wp_kses_post( wp_get_admin_notice( $message, $args ) ); |
| 8948 | } |
| 8949 | |