Online PHP editor | refs for F1Jtt

<?php echo var_export(20 / 3 * 1e20, true), "\n"; echo var_export(6.66, true), "\n"; echo var_export(6.0, true), "\n"; echo "\n"; echo var_export(round(20 / 3 * 1e20, 14), true), "\n"; echo var_export(round(6.66, 14), true), "\n"; echo var_export(round(6.0, 14), true), "\n"; echo "\n"; echo round(20 / 3 * 1e20, 14), "\n"; echo round(6.66, 14), "\n"; echo round(6.0, 14), "\n"; echo "\n"; echo (string) round(20 / 3 * 1e20, 14), "\n"; echo (string) round(6.66, 14), "\n"; echo (string) round(6.0, 14), "\n"; echo "\n"; echo rtrim(sprintf('%.14F', 20 / 3 * 1e20), '0.'), "\n"; echo rtrim(sprintf('%.14F', 6.66), '0.'), "\n"; echo rtrim(sprintf('%.14F', 6.0), '0.'), "\n";