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run code in 300+ PHP versions simultaneously
<?php namespace foo\bar { const baz = 42; } namespace { use foo\bar\baz; var_dump ( baz ); } namespace { use foo\bar as foo_bar; use foo\BAZ as FOO_BAZ; var_dump ( foo_bar () ); var_dump ( FOO_BAZ ); }
Output for 8.0.0 - 8.0.30, 8.1.0 - 8.1.27, 8.2.0 - 8.2.17, 8.3.0 - 8.3.4
Fatal error: Uncaught Error: Undefined constant "baz" in /in/Cs7JK:12 Stack trace: #0 {main} thrown in /in/Cs7JK on line 12
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 baz - assumed 'baz' (this will throw an Error in a future version of PHP) in /in/Cs7JK on line 12 string(3) "baz" Fatal error: Uncaught Error: Call to undefined function foo_bar() in /in/Cs7JK:20 Stack trace: #0 {main} thrown in /in/Cs7JK on line 20
Process exited with code 255.
Output for 7.0.0 - 7.0.20, 7.1.0 - 7.1.33
Notice: Use of undefined constant baz - assumed 'baz' in /in/Cs7JK on line 12 string(3) "baz" Fatal error: Uncaught Error: Call to undefined function foo_bar() in /in/Cs7JK:20 Stack trace: #0 {main} thrown in /in/Cs7JK on line 20
Process exited with code 255.
Output for 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.24 - 5.5.35, 5.6.8 - 5.6.21
Notice: Use of undefined constant baz - assumed 'baz' in /in/Cs7JK on line 12 string(3) "baz" Fatal error: Call to undefined function foo_bar() in /in/Cs7JK on line 20
Process exited with code 255.
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_STRING in /in/Cs7JK 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_STRING in /in/Cs7JK on line 3
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error in /in/Cs7JK on line 3
Process exited with code 255.

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