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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 |
|---|---|
| 9054 | function wp_admin_notice( $message, $args = array() ) { |
| 9055 | /** |
| 9056 | * Fires before an admin notice is output. |
| 9057 | * |
| 9058 | * @since 6.4.0 |
| 9059 | * |
| 9060 | * @param string $message The message for the admin notice. |
| 9061 | * @param array $args The arguments for the admin notice. |
| 9062 | */ |
| 9063 | do_action( 'wp_admin_notice', $message, $args ); |
| 9064 | |
| 9065 | echo wp_kses_post( wp_get_admin_notice( $message, $args ) ); |
| 9066 | } |
| 9067 | |
| 9068 | /** |
| 9069 | * Checks if a mime type is for a HEIC/HEIF image. |
| 9070 | * |
| 9071 | * @since 6.7.0 |
| 9072 | * |