php 预定义异常类Exception

Exception是所有异常的基类。

Exception
{
	/* 属性 */
	protected string $message ;
	protected int $code ;
	protected string $file ;
	protected int $line ;
	/* 方法 */
	public __construct ([ string $message = "" [, int $code = 0 [, Throwable $previous = NULL ]]] )
	final public getMessage ( void ) : string
	final public getPrevious ( void ) : Throwable
	final public getCode ( void ) : int
	final public getFile ( void ) : string
	final public getLine ( void ) : int
	final public getTrace ( void ) : array
	final public getTraceAsString ( void ) : string
	public __toString ( void ) : string
	final private __clone ( void ) : void
}

属性

• message：异常消息内容
• code：异常代码
• file：抛出异常的文件名
• line：抛出异常在该文件中的行号

Lists of Throwable and Exception tree as of 7.2.0
    Error
      ArithmeticError
        DivisionByZeroError
      AssertionError
      ParseError
      TypeError
        ArgumentCountError
    Exception
      ClosedGeneratorException
      DOMException
      ErrorException
      IntlException
      LogicException
        BadFunctionCallException
          BadMethodCallException
        DomainException
        InvalidArgumentException
        LengthException
        OutOfRangeException
      PharException
      ReflectionException
      RuntimeException
        OutOfBoundsException
        OverflowException
        PDOException
        RangeException
        UnderflowException
        UnexpectedValueException
      SodiumException
Find the script and output in the following links:
https://gist.github.com/mlocati/249f07b074a0de339d4d1ca980848e6a
https://3v4l.org/sDMsv
posted by someone here http://php.net/manual/en/class.throwable.php