3v4l.org

run code in 300+ PHP versions simultaneously

@ 2024-06-07T07:22:21Z

<?php

namespace Foo;

use function set_error_handler;
use function trigger_error;

class SomeExternalDependency {
    public function __construct()
    {
        set_error_handler([$this, 'logError']);
        
        $this->triggerError();
    }
    
    public static function triggerError(): void
    {
        trigger_error('error', E_USER_WARNING);
    }

    private function logError(): bool
    {
        debug_print_backtrace();
        
        return true;
    }
}

class Test
{
    public function testSetErrorHandlerNonCallable(): void
    {
        new SomeExternalDependency();
        $callableWithPrivateMethod = set_error_handler(static fn () => false);
        restore_error_handler();
        // restore_error_handler();
        // set_error_handler($callableWithPrivateMethod);
        
        echo "\nii.\n";
        SomeExternalDependency::triggerError();

        echo "\niii.\n";
        trigger_error('error', E_USER_WARNING);
    }
}

(new Test())->testSetErrorHandlerNonCallable();

Output for git.master, git.master_jit, rfc.property-hooks: #0 [internal function]: Foo\SomeExternalDependency->logError(512, 'error', '/in/mZ9E3', 18) #1 /in/mZ9E3(18): trigger_error('error', 512) #2 /in/mZ9E3(13): Foo\SomeExternalDependency::triggerError() #3 /in/mZ9E3(33): Foo\SomeExternalDependency->__construct() #4 /in/mZ9E3(47): Foo\Test->testSetErrorHandlerNonCallable() ii. #0 [internal function]: Foo\SomeExternalDependency->logError(512, 'error', '/in/mZ9E3', 18) #1 /in/mZ9E3(18): trigger_error('error', 512) #2 /in/mZ9E3(40): Foo\SomeExternalDependency::triggerError() #3 /in/mZ9E3(47): Foo\Test->testSetErrorHandlerNonCallable() iii. Fatal error: Uncaught Error: Invalid callback Foo\SomeExternalDependency::logError, cannot access private method Foo\SomeExternalDependency::logError() in /in/mZ9E3:43 Stack trace: #0 /in/mZ9E3(43): trigger_error('error', 512) #1 /in/mZ9E3(47): Foo\Test->testSetErrorHandlerNonCallable() #2 {main} thrown in /in/mZ9E3 on line 43
Process exited with code 255.

This tab shows result from various feature-branches currently under review by the php developers. Contact me to have additional branches featured.

Active branches

Archived branches

Once feature-branches are merged or declined, they are no longer available. Their functionality (when merged) can be viewed from the main output page

2020-03-21 RFC: Is_Literal - declined
2020-12-04 Enumerations - included in PHP 8.1
2018-06-15 Typed Properties v2 - implemented in PHP 7.4
2016-08-12 Object typehint - included in PHP 7.2
2016-08-14 Arrow functions - withdrawn
2016-05-29 array_change_keys() - withdrawn
2016-04-19 Lexical scope support for anonymous classes - suspended
2016-04-17 Functional Interfaces - declined
2016-03-16 Typed Properties - superseded in favor of Typed Properties 2.0
2015-08-27 Callable Prototypes - declined
2015-05-01 Short Closures - declined / withdrawn in favor of Arrow Functions
2015-02-18 Scalar type hints v5 - included in PHP 7
2015-02-14 Union Types - declined
2013-09-22 Anonymous classes - included in PHP 7

preferences:dark modelive previewkey bindings

97.03 ms | 407 KiB | 5 Q