3v4l.org

run code in 300+ PHP versions simultaneously
<?php $foo = 2; $bar = '3as'; $foo =+ $bar; var_dump($foo);
Output for 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.7
Warning: A non-numeric value encountered in /in/O5goN on line 6 int(3)
Output for 7.1.0 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.31, 7.4.0 - 7.4.33
Notice: A non well formed numeric value encountered in /in/O5goN on line 6 int(3)
Output for 5.6.0 - 5.6.38, 7.0.0 - 7.0.33, 7.3.32 - 7.3.33
int(3)
preferences:
201.47 ms | 402 KiB | 284 Q