Exceptions
PHP Manual

The UnderflowException class

(PHP 5 >= 5.1.0, PHP 7)

Einführung

Exception thrown when performing an invalid operation on an empty container, such as removing an element.

Klassenbeschreibung

UnderflowException extends RuntimeException {
/* Geerbte Eigenschaften */
protected string $message ;
protected int $code ;
protected string $file ;
protected int $line ;
/* Geerbte Methoden */
final public string Exception::getMessage ( void )
final public Exception Exception::getPrevious ( void )
final public mixed Exception::getCode ( void )
final public string Exception::getFile ( void )
final public int Exception::getLine ( void )
final public array Exception::getTrace ( void )
final public string Exception::getTraceAsString ( void )
public string Exception::__toString ( void )
final private void Exception::__clone ( void )
}

Exceptions
PHP Manual