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

    class BadFunctionCallException extends LogicException {
    /* 继承的属性 */
    protected string $message = "";
    private string $string = "";
    protected int $code;
    protected string $file = "";
    protected int $line;
    private array $trace = [];
    private ?Throwable $previous = null;
    /* 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
    private Exception::__clone(): void
    }

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    ＋添加备注

    用户贡献的备注 2 notes

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    5
    tom at tomwardrop dot com
    14 years ago
    A typical use for this exception, is in conjunction with the is_callable() function.
    up
    0
    evguenia dot chagnon at gmail dot com
    7 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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