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To save our bandwidth, we show only a snippet of code around each occurence of the hook. View complete file in SVN (without highlighting).
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 |
|---|---|
| 419 | return new WP_Error('empty_password', __('<strong>ERROR</strong>: The password field is empty.')); |
| 420 | |
| 421 | $user = get_userdatabylogin($username); |
| 422 | |
| 423 | if ( !$user || ($user->user_login != $username) ) { |
| 424 | do_action( 'wp_login_failed', $username ); |
| 425 | return new WP_Error('invalid_username', __('<strong>ERROR</strong>: Invalid username.')); |
| 426 | } |
| 427 | |
| 428 | $user = apply_filters('wp_authenticate_user', $user, $password); |
| 429 | if ( is_wp_error($user) ) { |
| 430 | do_action( 'wp_login_failed', $username ); |
| 431 | return $user; |
| 432 | } |
| 433 | |
| 434 | if ( !wp_check_password($password, $user->user_pass, $user->ID) ) { |
| 435 | do_action( 'wp_login_failed', $username ); |
| 436 | return new WP_Error('incorrect_password', __('<strong>ERROR</strong>: Incorrect password.')); |
| 437 | } |