The BadFunctionCallException class

(PHP 5 >= 5.1.0, PHP 7, PHP 8)

简介

Exception thrown if a callback refers to an undefined function or if some arguments are missing.

类摘要

BadFunctionCallException extends LogicException {

/* 继承的属性 */

protected string $message ;

protected int $code ;

protected string $file ;

protected int $line ;

/* 继承的方法 */

public Exception::__construct ( string $message = "" , int $code = 0 , Throwable $previous = null )

final public Exception::getMessage ( ) : string

final public Exception::getPrevious ( ) : Throwable

final public Exception::getCode ( ) : mixed

final public Exception::getFile ( ) : string

final public Exception::getLine ( ) : int

final public Exception::getTrace ( ) : array

final public Exception::getTraceAsString ( ) : string

public Exception::__toString ( ) : string

final private Exception::__clone ( ) : void

}

User Contributed Notes

evguenia dot chagnon at gmail dot com 26-Jan-2017 12:14


For example: 



function foo($arg) {

    $func = 'do' . $arg;

    if (!is_callable($func)) {

        throw new BadFunctionCallException('Function ' . $func . ' is not callable');

    }

}

tom at tomwardrop dot com 15-Nov-2009 07:42


A typical use for this exception, is in conjunction with the is_callable() function.