Array
(
    [0] => stdClass
    [1] => InternalIterator
    [2] => Exception
    [3] => ErrorException
    [4] => Error
    [5] => CompileError
    [6] => ParseError
    [7] => TypeError
    [8] => ArgumentCountError
    [9] => ValueError
    [10] => ArithmeticError
    [11] => DivisionByZeroError
    [12] => UnhandledMatchError
    [13] => Closure
    [14] => Generator
    [15] => ClosedGeneratorException
    [16] => WeakReference
    [17] => WeakMap
    [18] => Attribute
    [19] => ReturnTypeWillChange
    [20] => Fiber
    [21] => FiberError
    [22] => DateTime
    [23] => DateTimeImmutable
    [24] => DateTimeZone
    [25] => DateInterval
    [26] => DatePeriod
    [27] => LibXMLError
    [28] => OpenSSLCertificate
    [29] => OpenSSLCertificateSigningRequest
    [30] => OpenSSLAsymmetricKey
    [31] => InflateContext
    [32] => DeflateContext
    [33] => HashContext
    [34] => JsonException
    [35] => ReflectionException
    [36] => Reflection
    [37] => ReflectionFunctionAbstract
    [38] => ReflectionFunction
    [39] => ReflectionGenerator
    [40] => ReflectionParameter
    [41] => ReflectionType
    [42] => ReflectionNamedType
    [43] => ReflectionUnionType
    [44] => ReflectionIntersectionType
    [45] => ReflectionMethod
    [46] => ReflectionClass
    [47] => ReflectionObject
    [48] => ReflectionProperty
    [49] => ReflectionClassConstant
    [50] => ReflectionExtension
    [51] => ReflectionZendExtension
    [52] => ReflectionReference
    [53] => ReflectionAttribute
    [54] => ReflectionEnum
    [55] => ReflectionEnumUnitCase
    [56] => ReflectionEnumBackedCase
    [57] => ReflectionFiber
    [58] => LogicException
    [59] => BadFunctionCallException
    [60] => BadMethodCallException
    [61] => DomainException
    [62] => InvalidArgumentException
    [63] => LengthException
    [64] => OutOfRangeException
    [65] => RuntimeException
    [66] => OutOfBoundsException
    [67] => OverflowException
    [68] => RangeException
    [69] => UnderflowException
    [70] => UnexpectedValueException
    [71] => RecursiveIteratorIterator
    [72] => IteratorIterator
    [73] => FilterIterator
    [74] => RecursiveFilterIterator
    [75] => CallbackFilterIterator
    [76] => RecursiveCallbackFilterIterator
    [77] => ParentIterator
    [78] => LimitIterator
    [79] => CachingIterator
    [80] => RecursiveCachingIterator
    [81] => NoRewindIterator
    [82] => AppendIterator
    [83] => InfiniteIterator
    [84] => RegexIterator
    [85] => RecursiveRegexIterator
    [86] => EmptyIterator
    [87] => RecursiveTreeIterator
    [88] => ArrayObject
    [89] => ArrayIterator
    [90] => RecursiveArrayIterator
    [91] => SplFileInfo
    [92] => DirectoryIterator
    [93] => FilesystemIterator
    [94] => RecursiveDirectoryIterator
    [95] => GlobIterator
    [96] => SplFileObject
    [97] => SplTempFileObject
    [98] => SplDoublyLinkedList
    [99] => SplQueue
    [100] => SplStack
    [101] => SplHeap
    [102] => SplMinHeap
    [103] => SplMaxHeap
    [104] => SplPriorityQueue
    [105] => SplFixedArray
    [106] => SplObjectStorage
    [107] => MultipleIterator
    [108] => SessionHandler
    [109] => __PHP_Incomplete_Class
    [110] => AssertionError
    [111] => php_user_filter
    [112] => Directory
    [113] => SodiumException
    [114] => PDOException
    [115] => PDO
    [116] => PDOStatement
    [117] => PDORow
    [118] => XMLParser
    [119] => CurlHandle
    [120] => CurlMultiHandle
    [121] => CurlShareHandle
    [122] => CURLFile
    [123] => CURLStringFile
    [124] => DOMException
    [125] => DOMImplementation
    [126] => DOMNode
    [127] => DOMNameSpaceNode
    [128] => DOMDocumentFragment
    [129] => DOMDocument
    [130] => DOMNodeList
    [131] => DOMNamedNodeMap
    [132] => DOMCharacterData
    [133] => DOMAttr
    [134] => DOMElement
    [135] => DOMText
    [136] => DOMComment
    [137] => DOMCdataSection
    [138] => DOMDocumentType
    [139] => DOMNotation
    [140] => DOMEntity
    [141] => DOMEntityReference
    [142] => DOMProcessingInstruction
    [143] => DOMXPath
    [144] => finfo
    [145] => FTP\Connection
    [146] => GdImage
    [147] => GdFont
    [148] => GMP
    [149] => gnupg
    [150] => gnupg_keylistiterator
    [151] => http\Exception\RuntimeException
    [152] => http\Exception\UnexpectedValueException
    [153] => http\Exception\BadMethodCallException
    [154] => http\Exception\InvalidArgumentException
    [155] => http\Exception\BadHeaderException
    [156] => http\Exception\BadUrlException
    [157] => http\Exception\BadMessageException
    [158] => http\Exception\BadConversionException
    [159] => http\Exception\BadQueryStringException
    [160] => http\Cookie
    [161] => http\Encoding\Stream
    [162] => http\Encoding\Stream\Dechunk
    [163] => http\Encoding\Stream\Deflate
    [164] => http\Encoding\Stream\Inflate
    [165] => http\Encoding\Stream\Enbrotli
    [166] => http\Encoding\Stream\Debrotli
    [167] => http\Header
    [168] => http\Header\Parser
    [169] => http\Message
    [170] => http\Message\Parser
    [171] => http\Message\Body
    [172] => http\QueryString
    [173] => http\Client
    [174] => http\Client\Request
    [175] => http\Client\Response
    [176] => http\Url
    [177] => http\Env\Url
    [178] => http\Env
    [179] => http\Env\Request
    [180] => http\Env\Response
    [181] => http\Params
    [182] => ImagickException
    [183] => ImagickDrawException
    [184] => ImagickPixelIteratorException
    [185] => ImagickPixelException
    [186] => ImagickKernelException
    [187] => Imagick
    [188] => ImagickDraw
    [189] => ImagickPixelIterator
    [190] => ImagickPixel
    [191] => ImagickKernel
    [192] => IMAP\Connection
    [193] => Collator
    [194] => NumberFormatter
    [195] => Normalizer
    [196] => Locale
    [197] => MessageFormatter
    [198] => IntlDateFormatter
    [199] => IntlDatePatternGenerator
    [200] => ResourceBundle
    [201] => Transliterator
    [202] => IntlTimeZone
    [203] => IntlCalendar
    [204] => IntlGregorianCalendar
    [205] => Spoofchecker
    [206] => IntlException
    [207] => IntlIterator
    [208] => IntlBreakIterator
    [209] => IntlRuleBasedBreakIterator
    [210] => IntlCodePointBreakIterator
    [211] => IntlPartsIterator
    [212] => UConverter
    [213] => IntlChar
    [214] => LDAP\Connection
    [215] => LDAP\Result
    [216] => LDAP\ResultEntry
    [217] => mimemessage
    [218] => MongoDB\BSON\Iterator
    [219] => MongoDB\BSON\PackedArray
    [220] => MongoDB\BSON\Document
    [221] => MongoDB\BSON\Binary
    [222] => MongoDB\BSON\DBPointer
    [223] => MongoDB\BSON\Decimal128
    [224] => MongoDB\BSON\Int64
    [225] => MongoDB\BSON\Javascript
    [226] => MongoDB\BSON\MaxKey
    [227] => MongoDB\BSON\MinKey
    [228] => MongoDB\BSON\ObjectId
    [229] => MongoDB\BSON\Regex
    [230] => MongoDB\BSON\Symbol
    [231] => MongoDB\BSON\Timestamp
    [232] => MongoDB\BSON\Undefined
    [233] => MongoDB\BSON\UTCDateTime
    [234] => MongoDB\Driver\BulkWrite
    [235] => MongoDB\Driver\ClientEncryption
    [236] => MongoDB\Driver\Command
    [237] => MongoDB\Driver\Cursor
    [238] => MongoDB\Driver\CursorId
    [239] => MongoDB\Driver\Manager
    [240] => MongoDB\Driver\Query
    [241] => MongoDB\Driver\ReadConcern
    [242] => MongoDB\Driver\ReadPreference
    [243] => MongoDB\Driver\Server
    [244] => MongoDB\Driver\ServerApi
    [245] => MongoDB\Driver\ServerDescription
    [246] => MongoDB\Driver\TopologyDescription
    [247] => MongoDB\Driver\Session
    [248] => MongoDB\Driver\WriteConcern
    [249] => MongoDB\Driver\WriteConcernError
    [250] => MongoDB\Driver\WriteError
    [251] => MongoDB\Driver\WriteResult
    [252] => MongoDB\Driver\Exception\RuntimeException
    [253] => MongoDB\Driver\Exception\ServerException
    [254] => MongoDB\Driver\Exception\ConnectionException
    [255] => MongoDB\Driver\Exception\WriteException
    [256] => MongoDB\Driver\Exception\AuthenticationException
    [257] => MongoDB\Driver\Exception\BulkWriteException
    [258] => MongoDB\Driver\Exception\CommandException
    [259] => MongoDB\Driver\Exception\ConnectionTimeoutException
    [260] => MongoDB\Driver\Exception\EncryptionException
    [261] => MongoDB\Driver\Exception\ExecutionTimeoutException
    [262] => MongoDB\Driver\Exception\InvalidArgumentException
    [263] => MongoDB\Driver\Exception\LogicException
    [264] => MongoDB\Driver\Exception\SSLConnectionException
    [265] => MongoDB\Driver\Exception\UnexpectedValueException
    [266] => MongoDB\Driver\Monitoring\CommandFailedEvent
    [267] => MongoDB\Driver\Monitoring\CommandStartedEvent
    [268] => MongoDB\Driver\Monitoring\CommandSucceededEvent
    [269] => MongoDB\Driver\Monitoring\ServerChangedEvent
    [270] => MongoDB\Driver\Monitoring\ServerClosedEvent
    [271] => MongoDB\Driver\Monitoring\ServerHeartbeatFailedEvent
    [272] => MongoDB\Driver\Monitoring\ServerHeartbeatStartedEvent
    [273] => MongoDB\Driver\Monitoring\ServerHeartbeatSucceededEvent
    [274] => MongoDB\Driver\Monitoring\ServerOpeningEvent
    [275] => MongoDB\Driver\Monitoring\TopologyChangedEvent
    [276] => MongoDB\Driver\Monitoring\TopologyClosedEvent
    [277] => MongoDB\Driver\Monitoring\TopologyOpeningEvent
    [278] => mysqli_sql_exception
    [279] => mysqli_driver
    [280] => mysqli
    [281] => mysqli_warning
    [282] => mysqli_result
    [283] => mysqli_stmt
    [284] => OAuth
    [285] => OAuthException
    [286] => OAuthProvider
    [287] => PgSql\Connection
    [288] => PgSql\Result
    [289] => PgSql\Lob
    [290] => PharException
    [291] => Phar
    [292] => PharData
    [293] => PharFileInfo
    [294] => PSpell\Dictionary
    [295] => PSpell\Config
    [296] => Redis
    [297] => RedisArray
    [298] => RedisCluster
    [299] => RedisSentinel
    [300] => RedisException
    [301] => RedisClusterException
    [302] => Shmop
    [303] => SimpleXMLElement
    [304] => SimpleXMLIterator
    [305] => SoapClient
    [306] => SoapVar
    [307] => SoapServer
    [308] => SoapFault
    [309] => SoapParam
    [310] => SoapHeader
    [311] => SQLite3
    [312] => SQLite3Stmt
    [313] => SQLite3Result
    [314] => SysvSemaphore
    [315] => SysvSharedMemory
    [316] => tidy
    [317] => tidyNode
    [318] => PhpToken
    [319] => XMLReader
    [320] => XMLWriter
    [321] => XSLTProcessor
    [322] => ZipArchive
    [323] => ComposerAutoloaderInitb2d6ee579ee70259a25d67f51098b699
    [324] => Composer\Autoload\ClassLoader
    [325] => Composer\Autoload\ComposerStaticInitb2d6ee579ee70259a25d67f51098b699
)
HihiIch bin der AbstractController!
Ausgabe ist: Hallo