3v4l.org

run code in 300+ PHP versions simultaneously
<?php class A{}; class C{}; $a = array(new A, new A); $b = array(new A, new C); $c = $a <=> $b; echo "$c\n";
Output for 7.0.0 - 7.0.20, 7.1.0 - 7.1.25, 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
1
Output for 5.4.1 - 5.4.45, 5.5.24 - 5.5.35, 5.6.8 - 5.6.28
Parse error: syntax error, unexpected '>' in /in/XvubY on line 8
Process exited with code 255.
preferences:
216.24 ms | 402 KiB | 242 Q