CascadiaPHP 2024


(PHP 7 >= PHP 7.1.0, PHP 8)


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::getCode(): int
final public Error::getFile(): string
final public Error::getLine(): int
final public Error::getTrace(): array
private Error::__clone(): void
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User Contributed Notes 1 note

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.

declare(strict_types = 1);

try {
strlen('ahmed', 4);
} catch (
ArgumentCountError $e) {
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