Takes an error message as input (either as a string or an array)
and displays it using the specified template.
| public show_error ( string $heading, string | string[] $message, string $template = 'error_general', integer $status_code = 500 ) : string | ||
| $heading | string | Page heading |
| $message | string | string[] | Error message |
| $template | string | Template name |
| $status_code | integer | (default: 500) |
| return | string | Error page output |
/**
* Display an error message
*
* @access public
* @param string the error message
* @param string any "swap" values
* @param boolean whether to localize the message
* @return string sends the application/error_db.php template
*/
function display_error($error = '', $swap = '', $native = FALSE)
{
$LANG = new CI_Language();
$LANG->load('db');
$heading = 'MySQL Error';
if ($native == TRUE) {
$message = $error;
} else {
$message = !is_array($error) ? array(str_replace('%s', $swap, $LANG->line($error))) : $error;
}
if (!class_exists('CI_Exceptions')) {
include BASEPATH . 'libraries/Exceptions' . EXT;
}
$error = new CI_Exceptions();
echo $error->show_error('An Error Was Encountered', $message, 'error_db');
exit;
}
function show_error($heading, $message, $template = 'error_general', $status_code = 500)
{
if (!is_null($CI =& get_instance()) and $status_code >= 500) {
$error_data['heading'] = $heading;
$error_data['message'] = is_array($message) ? '<pre>' . print_r($message, TRUE) . '</pre>' : $message;
$CI->load->helper('email');
report_error($template, $error_data);
}
return parent::show_error($heading, $message, $template, $status_code);
}
function show_error($heading, $message, $template = 'error_general', $status_code = 500)
{
if (ENVIRONMENT === 'production') {
if ($status_code == 500) {
$this->_report_error($message);
}
return parent::show_error("Wakakak", "lalalal", $template = 'error_general', $status_code = 500);
} else {
return parent::show_error($heading, $message, $template = 'error_general', $status_code = 500);
}
}
/**
* General Error Page
*
* This function takes an error message as input
* (either as a string or an array) and displays
* it using the specified template.
*
* @access private
* @param string the heading
* @param string the message
* @param string the template name
* @param int the status code
* @return string
*/
function show_error($heading, $message, $template = 'error_general', $status_code = 500)
{
if ($this->input->is_ajax_request()) {
set_status_header($status_code);
$message = $heading . "\n\n" . implode("\n", !is_array($message) ? array($message) : $message) . "\n";
$this->output->json($status_code, $message);
if (ob_get_level() > $this->ob_level + 1) {
ob_end_clean();
}
ob_start();
$this->output->_display();
$buffer = ob_get_contents();
ob_end_clean();
return $buffer;
} else {
return parent::show_error($heading, $message, $template, $status_code);
}
}
function _remap($method)
{
// This page has been routed to with pages/view/whatever
if ($this->uri->rsegment(1, '') . '/' . $method == 'pages/view') {
$url_segments = $this->uri->total_rsegments() > 0 ? $this->uri->rsegment_array() : array($this->default_segment);
$url_segments = array_slice($url_segments, 2);
} else {
$url_segments = $this->uri->total_segments() > 0 ? $this->uri->segment_array() : array($this->default_segment);
}
// Fetch this page from the database via cache
$page = $this->cache->model('pages_m', 'get_by_path', array($url_segments));
// If page is missing or not live (and not an admin) show 404
if (!$page || $page->status == 'draft' && !$this->user_lib->check_role('admin')) {
// Try and get an error page. If its been deleted, show nasty 404
if (!($page = $this->cache->model('pages_m', 'get_by_path', array('404')))) {
log_message('error', '404 Page Not Found --> ' . implode('/', $url_segments));
$EXP = new CI_Exceptions();
echo $EXP->show_error('', '', 'error_404', 404);
exit;
}
}
// 404 page? Set the right status
if ($page->slug == '404') {
$this->output->set_status_header(404);
}
// Not got a meta title? Use slogan for homepage or the normal page title for other pages
if ($page->meta_title == '') {
$page->meta_title = $this->viewing_homepage ? $this->settings->item('site_slogan') : $page->title;
}
// If the GET variable isbasic exists, do not use a wrapper
if (!($page->layout = $this->page_layouts_m->get($page->layout_id))) {
// Some pillock deleted the page layout, use the default and pray to god they didnt delete that too
$page->layout = $this->page_layouts_m->get(1);
}
// Parser does not need ALL information for this bit, and I hate the Dwoo object syntax
$page_array = array('page' => (array) $page);
// Parse the layout string and output
$page->layout->body = $this->parser->string_parse(stripslashes($page->layout->body), $page_array, TRUE);
// Define data elements
$this->data->page =& $page;
$this->data->page->layout = $page->layout;
// Create page output
$this->template->title($page->meta_title)->set_metadata('keywords', $page->meta_keywords)->set_metadata('description', $page->meta_description)->build('index', $this->data);
}
/**
* 404 method
* @access public
* @param array $url_segments The URL segments
* @return void
*/
public function _404($url_segments)
{
// Try and get an error page. If its been deleted, show nasty 404
if (!($page = $this->cache->model('pages_m', 'get_by_path', array('404')))) {
log_message('error', '404 Page Not Found --> ' . implode('/', $url_segments));
$EXP = new CI_Exceptions();
echo $EXP->show_error('', '', 'error_404', 404);
exit;
}
return $page;
}
/**
* General Error Page
*
* This function takes an error message as input
* (either as a string or an array) and displays
* it using the specified template.
*
* @access private
* @param string the heading
* @param string the message
* @param string the template name
* @return string
*/
function show_error($heading, $message, $template = 'error_general', $status_code = 500)
{
// If we are in production, then lets dump out now.
if (IN_PRODUCTION) {
return parent::show_error($heading, $message, $template, $status_code);
}
if (!headers_sent()) {
set_status_header($status_code);
}
$trace = debug_backtrace();
$file = NULL;
$line = NULL;
$is_from_app = FALSE;
if (isset($trace[1]['file']) and strpos($trace[1]['file'], APPPATH) === 0) {
$is_from_app = !self::is_extension($trace[1]['file']);
}
// If the application called show_error, don't output a backtrace, just the error
if ($is_from_app) {
$message = '<p>' . implode('</p><p>', !is_array($message) ? array($message) : $message) . '</p>';
if (ob_get_level() > $this->ob_level + 1) {
ob_end_flush();
}
ob_start();
include APPPATH . 'errors/' . $template . EXT;
$buffer = ob_get_contents();
ob_end_clean();
return $buffer;
}
$message = implode(' / ', !is_array($message) ? array($message) : $message);
// If the system called show_error, so lets find the actual file and line in application/ that caused it.
foreach ($trace as $call) {
if (isset($call['file']) and strpos($call['file'], APPPATH) === 0 and !self::is_extension($call['file'])) {
$file = $call['file'];
$line = $call['line'];
break;
}
}
unset($trace);
self::exception_handler(new ErrorException($message, E_ERROR, 0, $file, $line));
return;
}
/**
* Error Handler
*
* This function lets us invoke the exception class and
* display errors using the standard error template located
* in application/errors/errors.php
* This function will send the error page directly to the
* browser and exit.
*
* @access public
* @return void
*/
function show_error($message)
{
if (!class_exists('CI_Exceptions')) {
include_once BASEPATH . 'libraries/Exceptions.php';
}
$error = new CI_Exceptions();
echo $error->show_error('An Error Was Encountered', $message);
exit;
}
