3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a = new stdClass; var_dump($a); $a->foo = 1; var_dump($b = new $a); var_dump($a === $b);
Output for 5.0.0 - 5.0.5, 5.1.0 - 5.1.6, 5.2.0 - 5.2.17, 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.0 - 5.5.38, 5.6.0 - 5.6.40, 7.0.0 - 7.0.33, 7.1.0 - 7.1.33, 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 - 8.3.6
object(stdClass)#1 (0) { } object(stdClass)#2 (0) { } bool(false)
Output for 4.3.2 - 4.3.11, 4.4.0 - 4.4.9
object(stdClass)(0) { } Notice: Object to string conversion in /in/dL7Y7 on line 6 Fatal error: Cannot instantiate non-existent class: object in /in/dL7Y7 on line 6
Process exited with code 255.
Output for 4.3.0 - 4.3.1
object(stdClass)(0) { } Notice: Object to string conversion in /in/dL7Y7 on line 6 Fatal error: Cannot instantiate non-existent class: object in /in/dL7Y7 on line 6
preferences:
319.23 ms | 402 KiB | 460 Q