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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 |
|---|---|
| 1974 | |
| 1975 | /** |
| 1976 | * Filters the post redirect destination URL. |
| 1977 | * |
| 1978 | * @since 2.9.0 |
| 1979 | * |
| 1980 | * @param string $location The destination URL. |
| 1981 | * @param int $post_id The post ID. |
| 1982 | */ |
| 1983 | wp_redirect( apply_filters( 'redirect_post_location', $location, $post_id ) ); |
| 1984 | exit; |
| 1985 | } |
| 1986 | |
| 1987 | /** |
| 1988 | * Sanitizes POST values from a checkbox taxonomy metabox. |
| 1989 | * |
| 1990 | * @since 5.1.0 |
| 1991 | * |
| 1992 | * @param mixed $terms Raw term data from the 'tax_input' field. |