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ArgumentCountError

(PHP 7 >= PHP 7.1.0, PHP 8)

Introduction

ArgumentCountError is thrown when too few arguments are passed to a user-defined function or method.

This error is also thrown when too many arguments are passed to a non-variadic built-in function.

Class synopsis

class ArgumentCountError extends TypeError {

/* Inherited properties */

protected string $message = "";

private string $string = "";

protected int $code;

protected string $file = "";

protected int $line;

private array $trace = [];

private ?Throwable $previous = null;

/* Inherited methods */

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

final public Error::getMessage(): string

final public Error::getPrevious(): ?Throwable

final public Error::getCode(): int

final public Error::getFile(): string

final public Error::getLine(): int

final public Error::getTrace(): array

final public Error::getTraceAsString(): string

public Error::__toString(): string

private Error::__clone(): void

}

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User Contributed Notes 1 note

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18

6 years ago

Note if an invalid number of arguments are passed to a built-in function an ArgumentCountError exception will be thrown if and only if your code is in strict mode.

<?php
declare(strict_types = 1);

try {
    echo strlen('ahmed', 4);
} catch (ArgumentCountError $e) {
    echo $e->getMessage()';
}
?>