/**
* @param integer $enableLogLevels bitmask of enabled log levels. By default all error levels will be enabled.
*
* @return bool
* @example CTaskAssert::enableLogging(CTaskAssert::ELL_TRACE | CTaskAssert::ELL_DEBUG);
*/
public static function enableLogging($enableLogLevels = null)
{
if (self::$sessId === false) {
$tmp = '';
for ($i = 0; $i < 4; $i++) {
if (mt_rand(1, 36) <= 10) {
$tmp .= chr(mt_rand(48, 57));
} else {
$tmp .= chr(mt_rand(65, 90));
}
}
self::$sessId = $tmp;
unset($tmp);
}
if (self::$fp === null && self::$pathToLogFile === false) {
self::setLogFileName($_SERVER['DOCUMENT_ROOT'] . BX_ROOT . '/modules/tasks.log');
}
if (self::$fp === null) {
AddMessage2Log('[ERROR] CTaskAssert::enableLogging(): Log file cannot be used or not set. Logging not enabled.', 'tasks');
return false;
}
// if wrong error levels given, log this and switch to default value
if ($enableLogLevels !== null && !is_int($enableLogLevels)) {
$enableLogLevels = null;
AddMessage2Log('[ERROR] CTaskAssert::enableLogging(): Invalid log errors level set, using defaults', 'tasks');
}
// If null given, than use default value (all levels enabled)
if ($enableLogLevels === null) {
$enableLogLevels = self::ELL_TRACE | self::ELL_DEBUG | self::ELL_INFO | self::ELL_WARNING | self::ELL_ERROR | self::ELL_FATAL;
}
self::$bmEnabledLogLevels = $enableLogLevels;
if ($enableLogLevels !== 0) {
self::$bLogEnabled = true;
} else {
self::$bLogEnabled = false;
}
return true;
}