if (floatval(phpversion())<5.2)$error.=('Error200:PleaseupgradetoPHP5.2orhigher!'.PHP_EOL);
// Extensions
if (!extension_loaded('exif')) $error .= ('Error 300: PHP exif extension not activated' . PHP_EOL);
if (!extension_loaded('mbstring')) $error .= ('Error 301: PHP mbstring extension not activated' . PHP_EOL);
if (!extension_loaded('gd')) $error .= ('Error 302: PHP gd extension not activated' . PHP_EOL);
if (!extension_loaded('mysqli')) $error .= ('Error 303: PHP mysqli extension not activated' . PHP_EOL);
// Config
if (!isset($dbName)||$dbName=='') $error .= ('Error 400: No property for $dbName in config.php' . PHP_EOL);
if (!isset($dbUser)||$dbUser=='') $error .= ('Error 401: No property for $dbUser in config.php' . PHP_EOL);
if (!isset($dbPassword)) $error .= ('Error 402: No property for $dbPassword in config.php' . PHP_EOL);
if (!isset($dbHost)||$dbHost=='') $error .= ('Error 403: No property for $dbHost in config.php' . PHP_EOL);
// Database Config
if (!$settings['username']||$settings['username']=='') $error .= ('Error 404: Username empty or not set' . PHP_EOL);
if (!$settings['password']||$settings['password']=='') $error .= ('Error 405: Password empty or not set' . PHP_EOL);
if (!$settings['checkForUpdates']||($settings['checkForUpdates']!='0'&&$settings['checkForUpdates']!='1')) $error .= ('Error 406: No or wrong property for checkForUpdates' . PHP_EOL);
if (!$settings['thumbQuality']||$settings['thumbQuality']=='') $error .= ('Error 407: No or wrong property for thumbQuality' . PHP_EOL);
if (!$settings['sorting']||$settings['sorting']=='') $error .= ('Error 408: Wrong property for sorting' . PHP_EOL);
// Permissions
if (substr(sprintf('%o', @fileperms('../uploads/big/')), -4)!='0777') $error .= ('Error 500: Wrong permissions for \'uploads/big\' (777 required)' . PHP_EOL);
if (substr(sprintf('%o', @fileperms('../uploads/thumb/')), -4)!='0777') $error .= ('Error 501: Wrong permissions for \'uploads/thumb\' (777 required)' . PHP_EOL);
if (substr(sprintf('%o', @fileperms('../uploads/import/')), -4)!='0777') $error .= ('Error 502: Wrong permissions for \'uploads/import\' (777 required)' . PHP_EOL);
if (substr(sprintf('%o', @fileperms('../uploads/')), -4)!='0777') $error .= ('Error 503: Wrong permissions for \'uploads/\' (777 required)' . PHP_EOL);
if (ini_get('max_execution_time')<200&&ini_set('upload_max_filesize','20M')!==true)echo('Warning:Youmayexperienceproblemswhenuploadingalargeamountofphotos.TakealookintheFAQfordetails.'.PHP_EOL);
if ($database->server_version<50500)echo('Warning:LycheeusestheGBKcharsettoavoidsqlinjectionsonyourMySQLversion.PleaseupdatetoMySQL5.5orhighertoenableUTF-8support.'.PHP_EOL);