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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 |
|---|---|
| 134 | $severity = $wp_error->get_error_data($code); |
| 135 | foreach ( $wp_error->get_error_messages($code) as $error ) { |
| 136 | if ( 'message' == $severity ) |
| 137 | $messages .= ' ' . $error . "<br />\n"; |
| 138 | else |
| 139 | $errors .= ' ' . $error . "<br />\n"; |
| 140 | } |
| 141 | } |
| 142 | if ( !empty($errors) ) |
| 143 | echo '<div id="login_error">' . apply_filters('login_errors', $errors) . "</div>\n"; |
| 144 | if ( !empty($messages) ) |
| 145 | echo '<p class="message">' . apply_filters('login_messages', $messages) . "</p>\n"; |
| 146 | } |
| 147 | } // End of login_header() |
| 148 | |
| 149 | /** |
| 150 | * Outputs the footer for the login page. |
| 151 | * |
| 152 | * @param string $input_id Which input to auto-focus |