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<?php var_dump(-0.0,1.0,0.1); echo "\n"; var_export(array(-0.0,1.0,0.1)); echo "\n";
Output for 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, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
float(-0) float(1) float(0.1) array ( 0 => -0.0, 1 => 1.0, 2 => 0.1, )
Output for 7.0.20
float(-0) float(1) float(0.1) array ( 0 => -0.0, 1 => 1.0, 2 => 0.10000000000000001, )
Output for 7.0.2 - 7.0.6
float(-0) float(1) float(0.1) array ( 0 => -0.0, 1 => 1.0, 2 => 0.100000000000000005551115, )
Output for 5.5.24 - 5.5.35, 5.6.8 - 5.6.21, 7.0.0 - 7.0.1
float(0) float(1) float(0.1) array ( 0 => 0, 1 => 1, 2 => 0.100000000000000005551115, )
Output for 5.6.28
float(0) float(1) float(0.1) array ( 0 => 0, 1 => 1, 2 => 0.10000000000000001, )

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188.68 ms | 401 KiB | 228 Q