3v4l.org

run code in 300+ PHP versions simultaneously
<?php echo is_null($hola); echo (object)[] <=> []; echo "\n"; echo 1 <=> 2;
Output for 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
Warning: Undefined variable $hola in /in/ZmZdL on line 3 11 -1
Output for 7.0.0 - 7.0.20, 7.1.0 - 7.1.20, 7.2.0 - 7.2.33, 7.3.16 - 7.3.31, 7.4.0 - 7.4.33
Notice: Undefined variable: hola in /in/ZmZdL on line 3 11 -1
Output for 7.3.32 - 7.3.33
11 -1
Output for 5.5.24 - 5.5.35, 5.6.8 - 5.6.28
Parse error: syntax error, unexpected '>' in /in/ZmZdL on line 5
Process exited with code 255.
preferences:
154.58 ms | 402 KiB | 182 Q