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-rw-r--r--system/core/Common.php34
1 files changed, 16 insertions, 18 deletions
diff --git a/system/core/Common.php b/system/core/Common.php
index 2f9c4ff43..491979350 100644
--- a/system/core/Common.php
+++ b/system/core/Common.php
@@ -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[$version]))
{
@@ -84,7 +84,7 @@ if ( ! function_exists('is_really_writable'))
function is_really_writable($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($file);
}
@@ -120,7 +120,7 @@ if ( ! function_exists('is_really_writable'))
/**
* Class registry
*
-* This function acts as a singleton. If the requested class does not
+* This function acts as a singleton. If the requested class does not
* exist it is instantiated and set to a static variable. If it has
* previously been instantiated the variable is returned.
*
@@ -177,6 +177,7 @@ if ( ! function_exists('load_class'))
{
// Note: We use exit() rather then show_error() in order to avoid a
// self-referencing loop with the Excptions class
+ set_status_header(503);
exit('Unable to locate the specified class: '.$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
@@ -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($config))
{
+ set_status_header(503);
exit('Your config file does not appear to be formatted correctly.');
}
@@ -434,7 +437,7 @@ if ( ! function_exists('set_status_header'))
show_error('Status codes must be numeric', 500);
}
- if (isset($stati[$code]) AND $text == '')
+ if (isset($stati[$code]) && $text == '')
{
$text = $stati[$code];
}
@@ -444,19 +447,19 @@ if ( ! function_exists('set_status_header'))
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']) ? $_SERVER['SERVER_PROTOCOL'] : FALSE;
if (strpos(php_sapi_name(), 'cgi') === 0)
{
- header("Status: {$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, $code);
}
}
}
@@ -561,14 +564,9 @@ if ( ! function_exists('html_escape'))
{
function html_escape($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'));
}
}