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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 |
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522 |
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523 | $expired = $expiration; |
524 |
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525 | // Allow a grace period for POST and AJAX requests |
526 | if ( defined('DOING_AJAX') || 'POST' == $_SERVER['REQUEST_METHOD'] ) |
527 | $expired += HOUR_IN_SECONDS; |
528 |
|
529 | // Quick check to see if an honest cookie has expired |
530 | if ( $expired < time() ) { |
531 | do_action('auth_cookie_expired', $cookie_elements); |
532 | return false; |
533 | } |
534 |
|
535 | $user = get_user_by('login', $username); |
536 | if ( ! $user ) { |
537 | do_action('auth_cookie_bad_username', $cookie_elements); |
538 | return false; |
539 | } |
540 |
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