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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 |
---|---|
44 | $severity = $wp_error->get_error_data($code); |
45 | foreach ( $wp_error->get_error_messages($code) as $error ) { |
46 | if ( 'message' == $severity ) |
47 | $messages .= ' ' . $error . "<br />\n"; |
48 | else |
49 | $errors .= ' ' . $error . "<br />\n"; |
50 | } |
51 | } |
52 | if ( !empty($errors) ) |
53 | echo '<div id="login_error">' . apply_filters('login_errors', $errors) . "</div>\n"; |
54 | if ( !empty($messages) ) |
55 | echo '<p class="message">' . apply_filters('login_messages', $messages) . "</p>\n"; |
56 | } |
57 | } // End of login_header() |
58 |
|
59 | function retrieve_password() { |
60 | global $wpdb; |
61 |
|
62 | $errors = new WP_Error(); |