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run code in 300+ PHP versions simultaneously
<?php $foo = [ 0.2 => 'test', ]; var_dump($foo);
Output for 8.1.0 - 8.1.28, 8.2.0 - 8.2.19, 8.3.0 - 8.3.7
Deprecated: Implicit conversion from float 0.2 to int loses precision in /in/Irc8O on line 4 array(1) { [0]=> string(4) "test" }
Output for 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(1) { [0]=> string(4) "test" }

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