3v4l.org

run code in 500+ PHP versions simultaneously
<?php // bool(true) var_dump(empty(null)); //Fatal error: Uncaught Error: Call to undefined function empty() var_dump(\empty(null));
Output for 8.1.34, 8.2.0 - 8.2.30, 8.3.0 - 8.3.30, 8.4.1 - 8.4.18, 8.5.0 - 8.5.7
bool(true) Fatal error: Uncaught Error: Call to undefined function empty() in /in/eAtIL:7 Stack trace: #0 {main} thrown in /in/eAtIL on line 7
Process exited with code 255.
preferences:
54.92 ms | 862 KiB | 4 Q