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run code in 300+ PHP versions simultaneously
<?php interface ConstantContainer { constant MY_CONSTANT = 'Hello World!'; } class ConstantTest implements ConstantContainer { } echo ConstantTest::MY_CONSTANT;
Output for 5.4.0 - 5.4.32
Parse error: syntax error, unexpected 'constant' (T_STRING), expecting function (T_FUNCTION) in /in/hjDZk on line 5
Process exited with code 255.
Output for 5.1.0 - 5.1.6, 5.2.0 - 5.2.17, 5.3.0 - 5.3.29
Parse error: syntax error, unexpected T_STRING, expecting T_FUNCTION in /in/hjDZk on line 5
Process exited with code 255.
Output for 5.0.0 - 5.0.5
Parse error: parse error, unexpected T_STRING, expecting T_FUNCTION in /in/hjDZk on line 5
Process exited with code 255.
Output for 4.4.2 - 4.4.9
Parse error: syntax error, unexpected T_STRING in /in/hjDZk on line 4
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_STRING in /in/hjDZk on line 4
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error in /in/hjDZk on line 4
Process exited with code 255.

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