The BadFunctionCallException class

(PHP 5 >= 5.1.0, PHP 7)

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 ( ) : int
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
}
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User Contributed Notes 2 notes

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7
tom at tomwardrop dot com
11 years ago
A typical use for this exception, is in conjunction with the is_callable() function.
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0
evguenia dot chagnon at gmail dot com
3 years ago
For example:

function foo($arg) {
    $func = 'do' . $arg;
    if (!is_callable($func)) {
        throw new BadFunctionCallException('Function ' . $func . ' is not callable');
    }
}
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