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@ 2013-09-24T14:38:25Z

<?php
class Foobar {
    public $baz;
    function __destruct() {
        # Don't do either of these, if $baz also has a __destruct()!
        $this->baz = null;
        unset($this->baz);
       
        # Instead, don't clear it at all, or do this:
        $this->baz->__destruct();
    }
}

# Some function that throws an exception
function fail($foobar) {
    throw new Exception("Exception A!");
}

$foobar = new Foobar();
$foobar->baz = new Foobar();

try {
    fail($foobar); // Send foobar to func that throws an Exception
} catch( Exception $e ) {
    print $e->getMessage(); // Exception A will be caught and printed, as expected.
}

$foobar = null; // clearing foobar, and its property $baz

try {
    print 'Exception B:';// this will be printed
    // output stops here.
    throw new Exception("Exception B!");
} catch( Exception $e ) {
    print $e->getMessage(); // doesn't happen
}
print 'End'; // this won't be printed
?>

Output for git.master, git.master_jit, rfc.property-hooks: Exception A!Exception B: Warning: Undefined property: Foobar::$baz in /in/WpIMP on line 10 Fatal error: Uncaught Error: Call to a member function __destruct() on null in /in/WpIMP:10 Stack trace: #0 /in/WpIMP(6): Foobar->__destruct() #1 /in/WpIMP(34): Foobar->__destruct() #2 {main} thrown in /in/WpIMP on line 10
Process exited with code 255.

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2016-08-14 Arrow functions - withdrawn
2016-05-29 array_change_keys() - withdrawn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2016-03-16 Typed Properties - superseded in favor of Typed Properties 2.0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2015-05-01 Short Closures - declined / withdrawn in favor of Arrow Functions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