isConnected()) {
if (Config::getVar('database', 'debug')) {
$dbconn = &$conn->getDBConn();
fatalError('Database connection failed: ' . $dbconn->errorMsg());
} else {
fatalError('Database connection failed!');
}
}
}
}
if (!function_exists('file_get_contents')) {
// For PHP < 4.3.0
function file_get_contents($file) {
return join('', file($file));
}
}
/**
* Wrapper around die() to pretty-print an error message with an optional stack trace.
*/
function fatalError($reason) {
// Because this method may be called when checking the value of the show_stacktrace
// configuration string, we need to ensure that we don't get stuck in an infinite loop.
static $isErrorCondition = null;
static $showStackTrace = false;
if ($isErrorCondition === null) {
$isErrorCondition = true;
$showStackTrace = Config::getVar('debug', 'show_stacktrace');
$isErrorCondition = false;
}
echo "$reason
";
if ($showStackTrace && checkPhpVersion('4.3.0')) {
echo "Stack Trace:
\n";
$trace = debug_backtrace();
// Remove the call to fatalError from the call trace.
array_shift($trace);
// Back-trace pretty-printer adapted from the following URL:
// http://ca3.php.net/manual/en/function.debug-backtrace.php
// Thanks to diz at ysagoon dot com
// FIXME: Is there any way to localize this when the localization
// functions may have caused the failure in the first place?
foreach ($trace as $bt) {
$args = '';
if (isset($bt['args'])) foreach ($bt['args'] as $a) {
if (!empty($args)) {
$args .= ', ';
}
switch (gettype($a)) {
case 'integer':
case 'double':
$args .= $a;
break;
case 'string':
$a = htmlspecialchars(substr($a, 0, 64)).((strlen($a) > 64) ? '...' : '');
$args .= "\"$a\"";
break;
case 'array':
$args .= 'Array('.count($a).')';
break;
case 'object':
$args .= 'Object('.get_class($a).')';
break;
case 'resource':
$args .= 'Resource('.strstr($a, '#').')';
break;
case 'boolean':
$args .= $a ? 'True' : 'False';
break;
case 'NULL':
$args .= 'Null';
break;
default:
$args .= 'Unknown';
}
}
$class = isset($bt['class'])?$bt['class']:'';
$type = isset($bt['type'])?$bt['type']:'';
$function = isset($bt['function'])?$bt['function']:'';
$file = isset($bt['file'])?$bt['file']:'(unknown)';
$line = isset($bt['line'])?$bt['line']:'(unknown)';
echo "File: {$file} line {$line}
\n";
echo "Function: {$class}{$type}{$function}($args)
\n";
echo "
\n";
}
}
error_log("OCS: $reason");
die();
}
/**
* Check to see if the server meets a minimum version requirement for PHP.
* @param $version Name of version (see version_compare documentation)
* @return boolean
*/
function checkPhpVersion($version) {
return (version_compare(PHP_VERSION, $version) !== -1);
}
?>