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-rw-r--r--system/core/Common.php153
1 files changed, 75 insertions, 78 deletions
diff --git a/system/core/Common.php b/system/core/Common.php
index f42bb640c..491979350 100644
--- a/system/core/Common.php
+++ b/system/core/Common.php
@@ -1,13 +1,13 @@
-<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed');
+<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed');
/**
* CodeIgniter
*
* An open source application development framework for PHP 5.1.6 or newer
*
* NOTICE OF LICENSE
- *
+ *
* Licensed under the Open Software License version 3.0
- *
+ *
* This source file is subject to the Open Software License (OSL 3.0) that is
* bundled with this package in the files license.txt / license.rst. It is
* also available through the world wide web at this URL:
@@ -56,7 +56,7 @@ if ( ! function_exists('is_php'))
function is_php($version = '5.0.0')
{
static $_is_php;
- $version = (string)$version;
+ $version = (string) $version;
if ( ! isset($_is_php[$version]))
{
@@ -73,10 +73,10 @@ if ( ! function_exists('is_php'))
* Tests for file writability
*
* is_writable() returns TRUE on Windows servers when you really can't write to
- * the file, based on the read-only attribute. is_writable() is also unreliable
+ * the file, based on the read-only attribute. is_writable() is also unreliable
* on Unix servers if safe_mode is on.
*
- * @access private
+ * @access public
* @return void
*/
if ( ! function_exists('is_really_writable'))
@@ -84,17 +84,17 @@ if ( ! function_exists('is_really_writable'))
function is_really_writable($file)
{
// If we're on a Unix server with safe_mode off we call is_writable
- if (DIRECTORY_SEPARATOR == '/' AND @ini_get("safe_mode") == FALSE)
+ if (DIRECTORY_SEPARATOR === '/' && (bool) @ini_get('safe_mode') === FALSE)
{
return is_writable($file);
}
- // For windows servers and safe_mode "on" installations we'll actually
- // write a file then read it. Bah...
+ /* For Windows servers and safe_mode "on" installations we'll actually
+ * write a file then read it. Bah...
+ */
if (is_dir($file))
{
$file = rtrim($file, '/').'/'.md5(mt_rand(1,100).mt_rand(1,100));
-
if (($fp = @fopen($file, FOPEN_WRITE_CREATE)) === FALSE)
{
return FALSE;
@@ -120,7 +120,7 @@ if ( ! function_exists('is_really_writable'))
/**
* Class registry
*
-* This function acts as a singleton. If the requested class does not
+* This function acts as a singleton. If the requested class does not
* exist it is instantiated and set to a static variable. If it has
* previously been instantiated the variable is returned.
*
@@ -136,7 +136,7 @@ if ( ! function_exists('load_class'))
{
static $_classes = array();
- // Does the class exist? If so, we're done...
+ // Does the class exist? If so, we're done...
if (isset($_classes[$class]))
{
return $_classes[$class];
@@ -161,7 +161,7 @@ if ( ! function_exists('load_class'))
}
}
- // Is the request a class extension? If so we load it too
+ // Is the request a class extension? If so we load it too
if (file_exists(APPPATH.$directory.'/'.config_item('subclass_prefix').$class.'.php'))
{
$name = config_item('subclass_prefix').$class;
@@ -177,6 +177,7 @@ if ( ! function_exists('load_class'))
{
// Note: We use exit() rather then show_error() in order to avoid a
// self-referencing loop with the Excptions class
+ set_status_header(503);
exit('Unable to locate the specified class: '.$class.'.php');
}
@@ -191,7 +192,7 @@ if ( ! function_exists('load_class'))
// --------------------------------------------------------------------
/**
-* Keeps track of which libraries have been loaded. This function is
+* Keeps track of which libraries have been loaded. This function is
* called by the load_class() function above
*
* @access public
@@ -199,7 +200,7 @@ if ( ! function_exists('load_class'))
*/
if ( ! function_exists('is_loaded'))
{
- function is_loaded($class = '')
+ function &is_loaded($class = '')
{
static $_is_loaded = array();
@@ -243,6 +244,7 @@ if ( ! function_exists('get_config'))
// Fetch the config file
if ( ! file_exists($file_path))
{
+ set_status_header(503);
exit('The configuration file does not exist.');
}
@@ -251,6 +253,7 @@ if ( ! function_exists('get_config'))
// Does the $config array exist in the file?
if ( ! isset($config) OR ! is_array($config))
{
+ set_status_header(503);
exit('Your config file does not appear to be formatted correctly.');
}
@@ -387,76 +390,76 @@ if ( ! function_exists('set_status_header'))
function set_status_header($code = 200, $text = '')
{
$stati = array(
- 200 => 'OK',
- 201 => 'Created',
- 202 => 'Accepted',
- 203 => 'Non-Authoritative Information',
- 204 => 'No Content',
- 205 => 'Reset Content',
- 206 => 'Partial Content',
-
- 300 => 'Multiple Choices',
- 301 => 'Moved Permanently',
- 302 => 'Found',
- 304 => 'Not Modified',
- 305 => 'Use Proxy',
- 307 => 'Temporary Redirect',
-
- 400 => 'Bad Request',
- 401 => 'Unauthorized',
- 403 => 'Forbidden',
- 404 => 'Not Found',
- 405 => 'Method Not Allowed',
- 406 => 'Not Acceptable',
- 407 => 'Proxy Authentication Required',
- 408 => 'Request Timeout',
- 409 => 'Conflict',
- 410 => 'Gone',
- 411 => 'Length Required',
- 412 => 'Precondition Failed',
- 413 => 'Request Entity Too Large',
- 414 => 'Request-URI Too Long',
- 415 => 'Unsupported Media Type',
- 416 => 'Requested Range Not Satisfiable',
- 417 => 'Expectation Failed',
- 422 => 'Unprocessable Entity',
-
- 500 => 'Internal Server Error',
- 501 => 'Not Implemented',
- 502 => 'Bad Gateway',
- 503 => 'Service Unavailable',
- 504 => 'Gateway Timeout',
- 505 => 'HTTP Version Not Supported'
- );
+ 200 => 'OK',
+ 201 => 'Created',
+ 202 => 'Accepted',
+ 203 => 'Non-Authoritative Information',
+ 204 => 'No Content',
+ 205 => 'Reset Content',
+ 206 => 'Partial Content',
+
+ 300 => 'Multiple Choices',
+ 301 => 'Moved Permanently',
+ 302 => 'Found',
+ 304 => 'Not Modified',
+ 305 => 'Use Proxy',
+ 307 => 'Temporary Redirect',
+
+ 400 => 'Bad Request',
+ 401 => 'Unauthorized',
+ 403 => 'Forbidden',
+ 404 => 'Not Found',
+ 405 => 'Method Not Allowed',
+ 406 => 'Not Acceptable',
+ 407 => 'Proxy Authentication Required',
+ 408 => 'Request Timeout',
+ 409 => 'Conflict',
+ 410 => 'Gone',
+ 411 => 'Length Required',
+ 412 => 'Precondition Failed',
+ 413 => 'Request Entity Too Large',
+ 414 => 'Request-URI Too Long',
+ 415 => 'Unsupported Media Type',
+ 416 => 'Requested Range Not Satisfiable',
+ 417 => 'Expectation Failed',
+ 422 => 'Unprocessable Entity',
+
+ 500 => 'Internal Server Error',
+ 501 => 'Not Implemented',
+ 502 => 'Bad Gateway',
+ 503 => 'Service Unavailable',
+ 504 => 'Gateway Timeout',
+ 505 => 'HTTP Version Not Supported'
+ );
if ($code == '' OR ! is_numeric($code))
{
show_error('Status codes must be numeric', 500);
}
- if (isset($stati[$code]) AND $text == '')
+ if (isset($stati[$code]) && $text == '')
{
$text = $stati[$code];
}
if ($text == '')
{
- show_error('No status text available. Please check your status code number or supply your own message text.', 500);
+ show_error('No status text available. Please check your status code number or supply your own message text.', 500);
}
- $server_protocol = (isset($_SERVER['SERVER_PROTOCOL'])) ? $_SERVER['SERVER_PROTOCOL'] : FALSE;
+ $server_protocol = isset($_SERVER['SERVER_PROTOCOL']) ? $_SERVER['SERVER_PROTOCOL'] : FALSE;
- if (substr(php_sapi_name(), 0, 3) == 'cgi')
+ if (strpos(php_sapi_name(), 'cgi') === 0)
{
- header("Status: {$code} {$text}", TRUE);
+ header('Status: '.$code.' '.$text, TRUE);
}
- elseif ($server_protocol == 'HTTP/1.1' OR $server_protocol == 'HTTP/1.0')
+ elseif ($server_protocol === 'HTTP/1.0')
{
- header($server_protocol." {$code} {$text}", TRUE, $code);
+ header('HTTP/1.0 '.$code.' '.$text, TRUE, $code);
}
else
{
- header("HTTP/1.1 {$code} {$text}", TRUE, $code);
+ header('HTTP/1.1 '.$code.' '.$text, TRUE, $code);
}
}
}
@@ -527,16 +530,15 @@ if ( ! function_exists('remove_invisible_characters'))
function remove_invisible_characters($str, $url_encoded = TRUE)
{
$non_displayables = array();
-
- // every control character except newline (dec 10)
- // carriage return (dec 13), and horizontal tab (dec 09)
-
+
+ // every control character except newline (dec 10),
+ // carriage return (dec 13) and horizontal tab (dec 09)
if ($url_encoded)
{
$non_displayables[] = '/%0[0-8bcef]/'; // url encoded 00-08, 11, 12, 14, 15
$non_displayables[] = '/%1[0-9a-f]/'; // url encoded 16-31
}
-
+
$non_displayables[] = '/[\x00-\x08\x0B\x0C\x0E-\x1F\x7F]+/S'; // 00-08, 11, 12, 14-31, 127
do
@@ -562,16 +564,11 @@ if ( ! function_exists('html_escape'))
{
function html_escape($var)
{
- if (is_array($var))
- {
- return array_map('html_escape', $var);
- }
- else
- {
- return htmlspecialchars($var, ENT_QUOTES, config_item('charset'));
- }
+ return is_array($var)
+ ? array_map('html_escape', $var)
+ : htmlspecialchars($var, ENT_QUOTES, config_item('charset'));
}
}
/* End of file Common.php */
-/* Location: ./system/core/Common.php */ \ No newline at end of file
+/* Location: ./system/core/Common.php */
generated by cgit v1.2.3-24-g4f1b (git 2.32.0) at 2024-11-09 03:09:48 +0100