Warning: Use of undefined constant a - assumed 'a' (this will throw an Error in a future version of PHP) in /in/kCDdC on line 3
Warning: cos() expects parameter 1 to be float, string given in /in/kCDdC on line 3
1.5707963267948966NULL
1.570796
Output for 7.0.0 - 7.0.33, 7.1.0 - 7.1.25
Notice: Use of undefined constant a - assumed 'a' in /in/kCDdC on line 3
Warning: cos() expects parameter 1 to be float, string given in /in/kCDdC on line 3
1.5707963267948966NULL
1.570796
Output for 5.5.6 - 5.5.38, 5.6.0 - 5.6.38
Notice: Use of undefined constant a - assumed 'a' in /in/kCDdC on line 3
Warning: cos() expects parameter 1 to be double, string given in /in/kCDdC on line 3
1.5707963267948966NULL
1.570796
Output for 5.5.0 - 5.5.5
Notice: Use of undefined constant a - assumed 'a' in /in/kCDdC on line 3
Warning: cos() expects parameter 1 to be double, string given in /in/kCDdC on line 3
1.5707963267949NULL
1.570796