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<?php class A extends IntlCalendar { public function __construct() {} private $a; } var_dump(new A());
Output for 5.6.0 - 5.6.38, 7.0.10 - 7.0.33, 7.1.0 - 7.1.25, 7.2.0 - 7.2.33, 7.3.0 - 7.3.31, 7.4.0 - 7.4.32, 8.0.0 - 8.0.12, 8.0.14 - 8.0.30, 8.1.0 - 8.1.33, 8.2.0 - 8.2.29, 8.3.0 - 8.3.25, 8.4.1 - 8.4.12
object(A)#1 (1) { ["valid"]=> bool(false) }
Output for 8.0.13
Fatal error: Uncaught Error: Class "IntlCalendar" not found in /in/r3eDR:3 Stack trace: #0 {main} thrown in /in/r3eDR on line 3
Process exited with code 255.
Output for 7.3.32 - 7.3.33, 7.4.33
Fatal error: Uncaught Error: Class 'IntlCalendar' not found in /in/r3eDR:3 Stack trace: #0 {main} thrown in /in/r3eDR on line 3
Process exited with code 255.
Output for 7.0.0 - 7.0.9

Process exited with code 139.

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105.24 ms | 409 KiB | 5 Q