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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 |
|---|---|
| 105 | $severity = $wp_error->get_error_data($code); |
| 106 | foreach ( $wp_error->get_error_messages($code) as $error ) { |
| 107 | if ( 'message' == $severity ) |
| 108 | $messages .= ' ' . $error . "<br />\n"; |
| 109 | else |
| 110 | $errors .= ' ' . $error . "<br />\n"; |
| 111 | } |
| 112 | } |
| 113 | if ( !empty($errors) ) |
| 114 | echo '<div id="login_error">' . apply_filters('login_errors', $errors) . "</div>\n"; |
| 115 | if ( !empty($messages) ) |
| 116 | echo '<p class="message">' . apply_filters('login_messages', $messages) . "</p>\n"; |
| 117 | } |
| 118 | } // End of login_header() |
| 119 | |
| 120 | /** |
| 121 | * Outputs the footer for the login page. |
| 122 | * |
| 123 | * @param string $input_id Which input to auto-focus |