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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 |
---|---|
72 |
|
73 | /** |
74 | * Filter the post redirect destination URL. |
75 | * |
76 | * @since 2.9.0 |
77 | * |
78 | * @param string $location The destination URL. |
79 | * @param int $post_id The post ID. |
80 | */ |
81 | wp_redirect( apply_filters( 'redirect_post_location', $location, $post_id ) ); |
82 | exit; |
83 | } |
84 |
|
85 | if ( isset( $_POST['deletepost'] ) ) |
86 | $action = 'delete'; |
87 | elseif ( isset($_POST['wp-preview']) && 'dopreview' == $_POST['wp-preview'] ) |
88 | $action = 'preview'; |
89 |
|
90 | $sendback = wp_get_referer(); |