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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.
This hook occurs 2 times in this file.
| Line | Code |
|---|---|
| 211 | * @return string|null String when retrieving, null when displaying. |
| 212 | */ |
| 213 | function wp_loginout($redirect = '', $echo = true) { |
| 214 | if ( ! is_user_logged_in() ) |
| 215 | $link = '<a href="' . esc_url( wp_login_url($redirect) ) . '">' . __('Log in') . '</a>'; |
| 216 | else |
| 217 | $link = '<a href="' . esc_url( wp_logout_url($redirect) ) . '">' . __('Log out') . '</a>'; |
| 218 | |
| 219 | if ( $echo ) |
| 220 | echo apply_filters('loginout', $link); |
| 221 | else |
| 222 | return apply_filters('loginout', $link); |
| 223 | } |
| 224 | |
| 225 | /** |
| 226 | * Returns the Log Out URL. |
| 227 | * |
| 228 | * Returns the URL that allows the user to log out of the site. |
| 229 | * |
| 230 | * @since 2.7.0 |
| 231 | * @uses wp_nonce_url() To protect against CSRF. |