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TypeError

(PHP 7, PHP 8)

Introduction

A TypeError may be thrown when:

The value being set for a class property does not match the property's corresponding declared type.
The argument type being passed to a function does not match its corresponding declared parameter type.
A value being returned from a function does not match the declared function return type.

Class synopsis

class TypeError extends Error {

/* 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

}

Changelog

Version	Description
7.1.0	A TypeError is no longer thrown when an invalid number of arguments are passed to a built-in PHP function in strict mode. Instead, an ArgumentCountError is raised.

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User Contributed Notes 2 notes

down

celsowmbr at outlook dot com ¶

5 years ago


An example:

<?php

function test($x):int {
    return $x;
}

try {
    test('ss');
}catch(TypeError $e){
    echo "Error !";
}

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-1

andrian dot test dot job at gmail dot com ¶

4 years ago


declare(strict_types=1); //if without this line the result is different

$a = [1,2=>[3,4]];

try{

    count($a, COUNT_RECURSIVE, 'toto and blabla');

}catch(TypeError $e){

    echo $e->getMessage();

}

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