3v4l.org

run code in 300+ PHP versions simultaneously
<?php namespace A\B\C { class A { } } namespace C\B\A { class B { const test = 'A\B\C\A'; } print_r( new B::test ); }
Output for 5.4.0 - 5.4.32
Parse error: syntax error, unexpected 'test' (T_STRING), expecting variable (T_VARIABLE) or '$' in /in/TX6vb on line 17
Process exited with code 255.
Output for 5.3.0 - 5.3.29
Parse error: syntax error, unexpected T_STRING, expecting T_VARIABLE or '$' in /in/TX6vb on line 17
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/TX6vb 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/TX6vb on line 3
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error in /in/TX6vb on line 3
Process exited with code 255.
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236 ms | 1395 KiB | 123 Q