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-rw-r--r--system/core/Common.php62
1 files changed, 53 insertions, 9 deletions
diff --git a/system/core/Common.php b/system/core/Common.php
index 286deccda..16a916a01 100644
--- a/system/core/Common.php
+++ b/system/core/Common.php
@@ -18,7 +18,7 @@
*
* @package CodeIgniter
* @author EllisLab Dev Team
- * @copyright Copyright (c) 2008 - 2013, EllisLab, Inc. (http://ellislab.com/)
+ * @copyright Copyright (c) 2008 - 2014, EllisLab, Inc. (http://ellislab.com/)
* @license http://opensource.org/licenses/OSL-3.0 Open Software License (OSL 3.0)
* @link http://codeigniter.com
* @since Version 1.0
@@ -76,6 +76,7 @@ if ( ! function_exists('is_really_writable'))
* the file, based on the read-only attribute. is_writable() is also unreliable
* on Unix servers if safe_mode is on.
*
+ * @link https://bugs.php.net/bug.php?id=54709
* @param string
* @return void
*/
@@ -355,6 +356,24 @@ if ( ! function_exists('is_https'))
// ------------------------------------------------------------------------
+if ( ! function_exists('is_cli'))
+{
+
+ /**
+ * Is CLI?
+ *
+ * Test to see if a request was made from the command line.
+ *
+ * @return bool
+ */
+ function is_cli()
+ {
+ return (PHP_SAPI === 'cli' OR defined('STDIN'));
+ }
+}
+
+// ------------------------------------------------------------------------
+
if ( ! function_exists('show_error'))
{
/**
@@ -429,7 +448,6 @@ if ( ! function_exists('log_message'))
*
* @param string the error level: 'error', 'debug' or 'info'
* @param string the error message
- * @param bool whether the error is a native PHP error
* @return void
*/
function log_message($level, $message)
@@ -550,14 +568,27 @@ if ( ! function_exists('_exception_handler'))
* to display errors based on the current error_reporting level.
* We do that with the use of a PHP error template.
*
- * @param int
- * @param string
- * @param string
- * @param int
+ * @param int $severity
+ * @param string $message
+ * @param string $filepath
+ * @param int $line
* @return void
*/
function _exception_handler($severity, $message, $filepath, $line)
{
+ $is_error = (((E_ERROR | E_COMPILE_ERROR | E_CORE_ERROR | E_USER_ERROR) & $severity) === $severity);
+
+ // When an error occurred, set the status header to '500 Internal Server Error'
+ // to indicate to the client something went wrong.
+ // This can't be done within the $_error->show_php_error method because
+ // it is only called when the display_errors flag is set (which isn't usually
+ // the case in a production environment) or when errors are ignored because
+ // they are above the error_reporting threshold.
+ if ($is_error)
+ {
+ set_status_header(500);
+ }
+
$_error =& load_class('Exceptions', 'core');
// Should we ignore the error? We'll get the current error_reporting
@@ -567,13 +598,21 @@ if ( ! function_exists('_exception_handler'))
return;
}
+ $_error->log_exception($severity, $message, $filepath, $line);
+
// Should we display the error?
if ((bool) ini_get('display_errors') === TRUE)
{
$_error->show_php_error($severity, $message, $filepath, $line);
}
- $_error->log_exception($severity, $message, $filepath, $line);
+ // If the error is fatal, the execution of the script should be stopped because
+ // errors can't be recovered from. Halting the script conforms with PHP's
+ // default error handling. See http://www.php.net/manual/en/errorfunc.constants.php
+ if ($is_error)
+ {
+ exit(EXIT_ERROR);
+ }
}
}
@@ -588,7 +627,7 @@ if ( ! function_exists('_shutdown_handler'))
* of CodeIgniter.php. The main reason we use this is to simulate
* a complete custom exception handler.
*
- * E_STRICT is purposivly neglected because such events may have
+ * E_STRICT is purposivly neglected because such events may have
* been caught. Duplication or none? None is preferred for now.
*
* @link http://insomanic.me.uk/post/229851073/php-trick-catching-fatal-errors-e-error-with-a
@@ -596,7 +635,7 @@ if ( ! function_exists('_shutdown_handler'))
*/
function _shutdown_handler()
{
- $last_error = function_exists('error_get_last') ? error_get_last() : NULL;
+ $last_error = error_get_last();
if (isset($last_error) &&
($last_error['type'] & (E_ERROR | E_PARSE | E_CORE_ERROR | E_CORE_WARNING | E_COMPILE_ERROR | E_COMPILE_WARNING)))
{
@@ -717,6 +756,11 @@ if ( ! function_exists('function_usable'))
* *suhosin.executor.disable_eval*. These settings will just
* terminate script execution if a disabled function is executed.
*
+ * The above described behavior turned out to be a bug in Suhosin,
+ * but even though a fix was commited for 0.9.34 on 2012-02-12,
+ * that version is yet to be released. This function will therefore
+ * be just temporary, but would probably be kept for a few years.
+ *
* @link http://www.hardened-php.net/suhosin/
* @param string $function_name Function to check for
* @return bool TRUE if the function exists and is safe to call,