--TEST-- Test variations in usage of cos() --INI-- precision = 10 --FILE-- <?php /* * proto float cos(float number) * Function is implemented in ext/standard/math.c */ //Test cos with a different input values $values = array(23, -23, 2.345e1, -2.345e1, 0x17, 027, "23", "23.45", "2.345e1", "nonsense", "1000", "1000ABC", null, true, false); for ($i = 0; $i < count($values); $i++) { $res = cos($values[$i]); var_dump($res); } ?> --EXPECTF-- float(-0.5328330203) float(-0.5328330203) float(-0.1117112391) float(-0.1117112391) float(-0.5328330203) float(-0.5328330203) float(-0.5328330203) float(-0.1117112391) float(-0.1117112391) Warning: cos() expects parameter 1 to be float, string given in %s on line %d NULL float(0.5623790763) Notice: A non well formed numeric value encountered in %s on line %d float(0.5623790763) float(1) float(0.5403023059) float(1)