3v4l.org

run code in 300+ PHP versions simultaneously
<?php $array = [ 1.2 => 'foo', '3' => 'bar', 'abc' => 123, false => 'asdf', ]; var_dump( $array ); ?>
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 1.2 to int loses precision in /in/fT5aL on line 4 array(4) { [1]=> string(3) "foo" [3]=> string(3) "bar" ["abc"]=> int(123) [0]=> string(4) "asdf" }
Output for 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 - 7.1.25, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30
array(4) { [1]=> string(3) "foo" [3]=> string(3) "bar" ["abc"]=> int(123) [0]=> string(4) "asdf" }
Output for 4.4.2 - 4.4.9, 5.1.0 - 5.1.6, 5.2.0 - 5.2.17, 5.3.0 - 5.3.29
Parse error: syntax error, unexpected '[' in /in/fT5aL on line 3
Process exited with code 255.
Output for 4.3.0 - 4.3.1, 4.3.5 - 4.3.11, 4.4.0 - 4.4.1, 5.0.0 - 5.0.5
Parse error: parse error, unexpected '[' in /in/fT5aL on line 3
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error in /in/fT5aL on line 3
Process exited with code 255.

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