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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 |
|---|---|
| 1201 | * |
| 1202 | * @since 2.5.0 |
| 1203 | */ |
| 1204 | function wp_clear_auth_cookie() { |
| 1205 | /** |
| 1206 | * Fires just before the authentication cookies are cleared. |
| 1207 | * |
| 1208 | * @since 2.7.0 |
| 1209 | */ |
| 1210 | do_action( 'clear_auth_cookie' ); |
| 1211 | |
| 1212 | /** This filter is documented in wp-includes/pluggable.php */ |
| 1213 | if ( ! apply_filters( 'send_auth_cookies', true, 0, 0, 0, '', '' ) ) { |
| 1214 | return; |
| 1215 | } |
| 1216 | |
| 1217 | // Auth cookies. |
| 1218 | setcookie( AUTH_COOKIE, ' ', time() - YEAR_IN_SECONDS, ADMIN_COOKIE_PATH, COOKIE_DOMAIN ); |
| 1219 | setcookie( SECURE_AUTH_COOKIE, ' ', time() - YEAR_IN_SECONDS, ADMIN_COOKIE_PATH, COOKIE_DOMAIN ); |