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<?php $mypi = 3.1415926535897932384626433832795028841971; $pi = pi(); printf("pi: %.24f, %.24f, %.24f\n", $pi, $mypi, M_PI);
Output for 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
Fatal error: Uncaught Error: Undefined constant " M_PI" in /in/i0kA4:4 Stack trace: #0 {main} thrown in /in/i0kA4 on line 4
Process exited with code 255.
Output for 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33
Warning: Use of undefined constant  M_PI - assumed ' M_PI' (this will throw an Error in a future version of PHP) in /in/i0kA4 on line 4 pi: 3.141592653589793115997963, 3.141592653589793115997963, 0.000000000000000000000000
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 - 5.4.45, 5.5.0 - 5.5.38, 5.6.0 - 5.6.40, 7.0.0 - 7.0.33, 7.1.0 - 7.1.33
Notice: Use of undefined constant  M_PI - assumed ' M_PI' in /in/i0kA4 on line 4 pi: 3.141592653589793115997963, 3.141592653589793115997963, 0.000000000000000000000000
preferences:
288.61 ms | 404 KiB | 458 Q