3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php class A { public $x; public $y; public function __construct($x, $y) { $this->x = $x; $this->y = $y; } } $a = new A(1, "42"); print var_dump(new ArrayObject($a)); print "obj\n"; foreach ($a as $v) { $a->y = "500"; print $v . "\n"; } print "arr\n"; $b = array(1, 2, 3); foreach($b as $v) { $b[1] = 500; print $v . "\n"; } print "arr_iter\n"; $c = array(1, 2, 3); $i = new ArrayIterator($c); $i->rewind(); while ($i->valid()) { $c[1] = 500; print $i->current() . "\n"; $i->next(); }
based on JKl8X
Output for 5.6.0 - 5.6.30, 7.0.0 - 7.3.0rc3
object(ArrayObject)#2 (1) { ["storage":"ArrayObject":private]=> object(A)#1 (2) { ["x"]=> int(1) ["y"]=> string(2) "42" } } obj 1 500 arr 1 2 3 arr_iter 1 2 3
Output for hhvm-3.18.5 - 3.22.0
object(ArrayObject)#2 (1) { ["storage":"ArrayObject":private]=> object(A)#1 (2) { ["x"]=> int(1) ["y"]=> string(2) "42" } } obj 1 42 arr 1 2 3 arr_iter 1 2 3