Online PHP editor | output for MpY9D

@ 2020-01-23T19:18:15Z

<?php
class Orig {}
class Override1 {}
class Override2 {}
class Override3 {}

class A {
    function g ()
    {
        global $prop, $instance;
        $newProp = ['override1'];
        $newInstance = new Override1;
    
        $prop=$newProp;
        $instance=$newInstance;
    }
    
    function ap ($prop, $instance)
    {
        $newProp = ['override2'];
        $newInstance = new Override2;
        
        $prop=$newProp;
        $instance=$newInstance;
    }
    
    function al (&$prop, &$instance)
    {
        $newProp = ['override3'];
        $newInstance = new Override3;
        
        $prop=$newProp;
        $instance=$newInstance;
    }
}


$prop = ['orig'];
$instance = new Orig;
var_dump('Orig:', $prop[0], get_class($instance), '------');



$prop = ['orig'];
$instance = new Orig;
(new A)->g();
var_dump('As global:', $prop[0], get_class($instance), '------');


$prop = ['orig'];
$instance = new Orig;
(new A)->ap($prop, $instance);
var_dump('As arg:', $prop[0], get_class($instance), '------');


$prop = ['orig'];
$instance = new Orig;
(new A)->al($prop, $instance);
var_dump('As link arg:', $prop[0], get_class($instance), '------');

Output for 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.4, 8.3.6: string(5) "Orig:" string(4) "orig" string(4) "Orig" string(6) "------" string(10) "As global:" string(9) "override1" string(9) "Override1" string(6) "------" string(7) "As arg:" string(4) "orig" string(4) "Orig" string(6) "------" string(12) "As link arg:" string(9) "override3" string(9) "Override3" string(6) "------"
Output for 8.3.5: Warning: PHP Startup: Unable to load dynamic library 'sodium.so' (tried: /usr/lib/php/8.3.5/modules/sodium.so (libsodium.so.23: cannot open shared object file: No such file or directory), /usr/lib/php/8.3.5/modules/sodium.so.so (/usr/lib/php/8.3.5/modules/sodium.so.so: cannot open shared object file: No such file or directory)) in Unknown on line 0 string(5) "Orig:" string(4) "orig" string(4) "Orig" string(6) "------" string(10) "As global:" string(9) "override1" string(9) "Override1" string(6) "------" string(7) "As arg:" string(4) "orig" string(4) "Orig" string(6) "------" string(12) "As link arg:" string(9) "override3" string(9) "Override3" string(6) "------"

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