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<?php spl_autoload_register(function ($class) { echo 'Class: '.$class."\n"; if ($class === 'Foo') { class Foo implements Bar {} } throw new RuntimeException('Class not found'); }); try { class_exists('Foo'); } catch (RuntimeException $e) { echo $e->getMessage(); }
Output for 5.3.1 - 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 - 7.1.32, 7.2.0 - 7.2.19, 7.2.21 - 7.2.33, 7.3.0 - 7.3.6, 7.3.8 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.33, 8.2.0 - 8.2.29, 8.3.0 - 8.3.27, 8.4.1 - 8.4.14
Class: Foo Class: Bar Class not found
Output for 7.2.20, 7.3.7
Class: Foo Class: Bar Fatal error: During class fetch: Uncaught RuntimeException: Class not found in /in/sSSJQ:10 Stack trace: #0 [internal function]: {closure}('Bar') #1 /in/sSSJQ(7): spl_autoload_call('Bar') #2 [internal function]: {closure}('Foo') #3 [internal function]: spl_autoload_call('Foo') #4 /in/sSSJQ(14): class_exists('Foo') #5 {main} in /in/sSSJQ on line 7
Process exited with code 255.
Output for 5.3.0
Class: Foo Class: Bar
Process exited with code 139.
Output for 4.4.2 - 4.4.9, 5.1.0 - 5.1.6, 5.2.0 - 5.2.17
Parse error: syntax error, unexpected T_FUNCTION, expecting ')' in /in/sSSJQ on line 3
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, 5.0.0 - 5.0.5
Parse error: parse error, unexpected T_FUNCTION, expecting ')' in /in/sSSJQ on line 3
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error, expecting `')'' in /in/sSSJQ on line 3
Process exited with code 255.
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