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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 |
|---|---|
| 549 | */ |
| 550 | function wp_generate_auth_cookie($user_id, $expiration, $scheme = 'auth') { |
| 551 | $user = get_userdata($user_id); |
| 552 | |
| 553 | $key = wp_hash($user->user_login . '|' . $expiration, $scheme); |
| 554 | $hash = hash_hmac('md5', $user->user_login . '|' . $expiration, $key); |
| 555 | |
| 556 | $cookie = $user->user_login . '|' . $expiration . '|' . $hash; |
| 557 | |
| 558 | return apply_filters('auth_cookie', $cookie, $user_id, $expiration, $scheme); |
| 559 | } |
| 560 | endif; |
| 561 | |
| 562 | if ( !function_exists('wp_parse_auth_cookie') ) : |
| 563 | /** |
| 564 | * Parse a cookie into its components |
| 565 | * |
| 566 | * @since 2.7 |
| 567 | * |