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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 |
---|---|
955 | * |
956 | * @since 2.5.0 |
957 | */ |
958 | function wp_clear_auth_cookie() { |
959 | /** |
960 | * Fires just before the authentication cookies are cleared. |
961 | * |
962 | * @since 2.7.0 |
963 | */ |
964 | do_action( 'clear_auth_cookie' ); |
965 |
|
966 | /** This filter is documented in wp-includes/pluggable.php */ |
967 | if ( ! apply_filters( 'send_auth_cookies', true ) ) { |
968 | return; |
969 | } |
970 |
|
971 | // Auth cookies. |
972 | setcookie( AUTH_COOKIE, ' ', time() - YEAR_IN_SECONDS, ADMIN_COOKIE_PATH, COOKIE_DOMAIN ); |
973 | setcookie( SECURE_AUTH_COOKIE, ' ', time() - YEAR_IN_SECONDS, ADMIN_COOKIE_PATH, COOKIE_DOMAIN ); |