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<?php var_dump(filter_var(1456165, FILTER_VALIDATE_FLOAT)); var_dump(filter_var('1456165', FILTER_VALIDATE_FLOAT)); var_dump(filter_var('.1456165', FILTER_VALIDATE_FLOAT)); var_dump(filter_var('0.1456165', FILTER_VALIDATE_FLOAT)); var_dump(filter_var('145.6165', FILTER_VALIDATE_FLOAT)); var_dump(filter_var('bolha', FILTER_VALIDATE_FLOAT)); var_dump(filter_var('516.46.00', FILTER_VALIDATE_FLOAT)); var_dump(filter_var('516.46.32', FILTER_VALIDATE_FLOAT)); var_dump(filter_var('51646.00', FILTER_VALIDATE_FLOAT)); ?>

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