3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php spl_autoload_register('var_dump'); class A { } $a = new A(); echo serialize($a);
Output for 5.1.0 - 5.6.28, hhvm-3.10.0 - 3.12.0, 7.0.0 - 7.1.0
O:1:"A":0:{}
Output for 5.0.0 - 5.0.5
Fatal error: Call to undefined function spl_autoload_register() in /in/AiM1W on line 3
Process exited with code 255.
Output for 4.4.5 - 4.4.9
Fatal error: Call to undefined function: spl_autoload_register() in /in/AiM1W on line 3
Process exited with code 255.
Output for 4.3.2 - 4.4.4
Fatal error: Call to undefined function: spl_autoload_register() in /in/AiM1W on line 3
Process exited with code 255.
Output for 4.3.0 - 4.3.1
Fatal error: Call to undefined function: spl_autoload_register() in /in/AiM1W on line 3