3v4l.org

run code in 300+ PHP versions simultaneously
<?php class A {} $a = new A(); $b = new $a; var_dump($a); var_dump($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, 5.5.24 - 5.5.35, 5.6.7 - 5.6.28, 7.0.0 - 7.0.20, 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(A)#1 (0) { } object(A)#2 (0) { }
Output for 4.3.2 - 4.3.11, 4.4.0 - 4.4.9
Notice: Object to string conversion in /in/uJn7L on line 6 Fatal error: Cannot instantiate non-existent class: object in /in/uJn7L on line 6
Process exited with code 255.
Output for 4.3.0 - 4.3.1
Notice: Object to string conversion in /in/uJn7L on line 6 Fatal error: Cannot instantiate non-existent class: object in /in/uJn7L on line 6
preferences:
240.03 ms | 402 KiB | 356 Q