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@ 2018-10-02T15:08:44Z

<?php

class Foo
{
    public $dummy1;
    public $dummy2;
}

class ErrorHandler
{
    private $private = 'THIS IS PRIVATE'."\n";

    function __construct()
    {
        set_error_handler(
            function ($errno, $errstr, $errfile, $errline) {
                $this->handleError($errno, $errstr, $errfile, $errline);
            }
        );
    }

    private function handleError($errno, $errstr, $errfile, $errline, $errmodule = null)
    {
        echo __METHOD__. " dealing with error $errstr, $errfile:$errline\n";

        // This attribute is no longer accessible in this object.  Same for other
        // objects and their private attributes once we reach in this state.
        echo $this->private;

        echo "Never executed in PHP7.2; there is a fatal error in the line above\n";
    }
}

function reproduceBug(Foo $f)
{
	unset($f->dummy2);

    foreach ((new ReflectionObject($f))->getProperties() as $p)
        echo $p->getName() .' = '. $p->getValue($f) ."\n";

    echo "This line is not reached in PHP7.2; but it is reached in PHP 7.0\n";
}

$errorHandler = new ErrorHandler();

echo $x; # uncommenting this fixes it

reproduceBug(new Foo);

Output for git.master, git.master_jit, rfc.property-hooks: ErrorHandler::handleError dealing with error Undefined variable $x, /in/HWETd:46 THIS IS PRIVATE Never executed in PHP7.2; there is a fatal error in the line above dummy1 = ErrorHandler::handleError dealing with error Undefined property: Foo::$dummy2, /in/HWETd:39 THIS IS PRIVATE Never executed in PHP7.2; there is a fatal error in the line above dummy2 = This line is not reached in PHP7.2; but it is reached in PHP 7.0

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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2016-08-14 Arrow functions - withdrawn
2016-05-29 array_change_keys() - withdrawn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2016-03-16 Typed Properties - superseded in favor of Typed Properties 2.0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2015-05-01 Short Closures - declined / withdrawn in favor of Arrow Functions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

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