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<?php function test1($one, $two) { test2($one, $two); } function test2($one, $two) { throw new Exception(); } test1('', 1);
Output for 7.0.0 - 7.0.20, 7.1.0 - 7.1.20, 7.2.5 - 7.2.33, 7.3.12 - 7.3.33, 7.4.0 - 7.4.33, 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 Exception in /in/f6vAr:11 Stack trace: #0 /in/f6vAr(6): test2('', 1) #1 /in/f6vAr(14): test1('', 1) #2 {main} thrown in /in/f6vAr on line 11
Process exited with code 255.
Output for 5.0.0 - 5.0.2, 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, 5.5.24 - 5.5.35, 5.6.7 - 5.6.28
Fatal error: Uncaught exception 'Exception' in /in/f6vAr:11 Stack trace: #0 /in/f6vAr(6): test2('', 1) #1 /in/f6vAr(14): test1('', 1) #2 {main} thrown in /in/f6vAr on line 11
Process exited with code 255.
Output for 5.0.3 - 5.0.4
Fatal error: Uncaught exception 'Exception' in /in/f6vAr:11 Stack trace: #0 /in/f6vAr(11): test2() #1 /in/f6vAr(6): test2('', 1) #2 /in/f6vAr(14): test1('', 1) #3 {main} thrown in /in/f6vAr on line 11
Process exited with code 255.
Output for 4.4.2 - 4.4.9
Parse error: syntax error, unexpected T_NEW in /in/f6vAr on line 11
Process exited with code 255.
Output for 4.3.0 - 4.3.1, 4.3.5 - 4.3.11, 4.4.0 - 4.4.1
Parse error: parse error, unexpected T_NEW in /in/f6vAr on line 11
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error in /in/f6vAr on line 11
Process exited with code 255.

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