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<?php
/**
* Helper class for OpenID.
*
* @author Jaime Perez, UNINETT AS <jaime.perez@uninett.no>
*/
class sspmod_openid_Utils
{
/**
* List of log levels.
*
* This list is used to restore the log levels after some log levels are disabled.
*
* @var array
*/
private static $logLevelStack = array();
/**
* The current mask of disabled log levels.
*
* Note: This mask is not directly related to the PHP error reporting level.
*
* @var int
*/
public static $logMask = 0;
/**
* Disable reporting of the given log levels.
*
* Every call to this function must be followed by a call to popErrorMask();
*
* @param int $mask The log levels that should be masked.
*
* @throws \InvalidArgumentException If $mask is not an integer.
*
* @author Olav Morken, UNINETT AS <olav.morken@uninett.no>
*/
public static function maskErrors($mask)
{
if (!is_int($mask)) {
throw new \InvalidArgumentException('Invalid input parameters.');
}
$currentEnabled = error_reporting();
self::$logLevelStack[] = array($currentEnabled, self::$logMask);
$currentEnabled &= ~$mask;
error_reporting($currentEnabled);
self::$logMask |= $mask;
}
/**
* Pop an error mask.
*
* This function restores the previous error mask.
*
* @author Olav Morken, UNINETT AS <olav.morken@uninett.no>
*/
public static function popErrorMask()
{
$lastMask = array_pop(self::$logLevelStack);
error_reporting($lastMask[0]);
self::$logMask = $lastMask[1];
}
}
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