3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php function printForTest($a, $b) { var_dump($a); var_dump($b); var_dump (spl_object_hash($a) === spl_object_hash($b) ); print "\n"; } $a = new stdClass; $b = $a; $a->foo = "bar"; list ($cachedA, $cachedB) = unserialize(serialize(array($a, $b))); $cachedA->hello = "world"; printForTest($cachedA, $cachedB); unset($cachedA, $cachedB); $cachedA = unserialize(serialize($a)); $cachedB = unserialize(serialize($b)); $cachedA->hello = "world"; printForTest($cachedA, $cachedB);
Output for 5.2.0 - 5.6.28, hhvm-3.10.0 - 3.12.0, 7.0.0 - 7.1.0
object(stdClass)#2 (2) { ["foo"]=> string(3) "bar" ["hello"]=> string(5) "world" } object(stdClass)#2 (2) { ["foo"]=> string(3) "bar" ["hello"]=> string(5) "world" } bool(true) object(stdClass)#2 (2) { ["foo"]=> string(3) "bar" ["hello"]=> string(5) "world" } object(stdClass)#3 (1) { ["foo"]=> string(3) "bar" } bool(false)
Output for 5.0.0 - 5.1.6
object(stdClass)#2 (2) { ["foo"]=> string(3) "bar" ["hello"]=> string(5) "world" } object(stdClass)#2 (2) { ["foo"]=> string(3) "bar" ["hello"]=> string(5) "world" } Fatal error: Call to undefined function spl_object_hash() in /in/s99rq on line 6
Process exited with code 255.
Output for 4.4.5 - 4.4.9
object(stdClass)(2) { ["foo"]=> string(3) "bar" ["hello"]=> string(5) "world" } object(stdClass)(0) { } Fatal error: Call to undefined function: spl_object_hash() in /in/s99rq on line 6
Process exited with code 255.
Output for 4.3.2 - 4.4.4
object(stdClass)(2) { ["foo"]=> string(3) "bar" ["hello"]=> string(5) "world" } object(stdClass)(0) { } Fatal error: Call to undefined function: spl_object_hash() in /in/s99rq on line 6
Process exited with code 255.
Output for 4.3.0 - 4.3.1
object(stdClass)(2) { ["foo"]=> string(3) "bar" ["hello"]=> string(5) "world" } object(stdClass)(0) { } Fatal error: Call to undefined function: spl_object_hash() in /in/s99rq on line 6