The UnderflowException class

(PHP 5 >= 5.1.0, PHP 7)

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

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