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<?php var_export(5.3); echo "\n"; var_dump(5.3); echo "\n";
based on 7FO0B
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 - 5.4.21, 5.5.0 - 5.5.5, 7.1.0 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.27, 7.4.0 - 7.4.16, 8.0.0 - 8.0.3
5.3 float(5.3)
Output for 5.4.22 - 5.4.45, 5.5.6 - 5.5.38, 5.6.0 - 5.6.40, 7.0.0 - 7.0.33
5.2999999999999998 float(5.3)