3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a = array ( -1 => "test", 0.97 => "boo", 0.98 => "baz"); print $a[0.91]; print $a[0]; var_dump($a);
Output for 8.1.0 - 8.1.27, 8.2.0 - 8.2.17, 8.3.0 - 8.3.4
Deprecated: Implicit conversion from float 0.97 to int loses precision in /in/K9ll4 on line 3 Deprecated: Implicit conversion from float 0.98 to int loses precision in /in/K9ll4 on line 3 Deprecated: Implicit conversion from float 0.91 to int loses precision in /in/K9ll4 on line 4 bazbazarray(2) { [-1]=> string(4) "test" [0]=> string(3) "baz" }
Output for 4.3.0 - 4.3.11, 4.4.0 - 4.4.9, 5.0.0 - 5.0.5, 5.1.0 - 5.1.6, 5.2.0 - 5.2.17, 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.24 - 5.5.35, 5.6.8 - 5.6.28, 7.0.0 - 7.0.20, 7.1.0 - 7.1.7, 7.2.29 - 7.2.33, 7.3.16 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30
bazbazarray(2) { [-1]=> string(4) "test" [0]=> string(3) "baz" }

preferences:
209.65 ms | 404 KiB | 304 Q