3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a[-99] = 'bilk'; $a[18446744073709551517] = 'bode'; var_export($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 1.8446744073709552E+19 to int loses precision in /in/RpdCf on line 3 array ( -99 => 'bilk', 0 => 'bode', )
Output for 5.3.0 - 5.3.2, 5.3.4 - 5.3.29, 5.4.0 - 5.4.45, 5.5.0 - 5.5.38, 5.6.0 - 5.6.40, 7.0.0 - 7.0.33, 7.1.0 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30
array ( -99 => 'bilk', 0 => 'bode', )
Output for 5.3.3
array ( 18446744073709551517 => 'bilk', 0 => 'bode', )
Output for 5.2.14 - 5.2.17
array ( 18446744073709551517 => 'bilk', 9223372036854775808 => 'bode', )
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 - 5.2.13
array ( -99 => 'bilk', -9223372036854775808 => 'bode', )

preferences:
289.66 ms | 402 KiB | 453 Q