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run code in 300+ PHP versions simultaneously
<?php interface A extends Traversable { } class B extends A implements IteratorAggregate { public function getIterator() { return ArrayIterator(array()); } }
Output for 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
Fatal error: Class B cannot extend interface A in /in/opvhG on line 7
Process exited with code 255.
Output for 5.2.3 - 5.2.17, 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.0 - 5.5.35, 5.6.0 - 5.6.28, 7.0.0 - 7.0.20, 7.1.0 - 7.1.7, 7.2.29 - 7.2.33, 7.3.12 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30
Fatal error: Class B cannot extend from interface A in /in/opvhG on line 7
Process exited with code 255.
Output for 5.0.2 - 5.0.5, 5.1.0 - 5.1.6, 5.2.0 - 5.2.2
<br /> <b>Fatal error</b>: Class B cannot extend from interface A in <b>/in/opvhG</b> on line <b>7</b><br />
Process exited with code 255.
Output for 5.0.0 - 5.0.1
<br /> <b>Fatal error</b>: Class B must implement interface Traversable as part of either Iterator or IteratorAggregate in <b>Unknown</b> on line <b>0</b><br />
Process exited with code 255.
Output for 4.4.2 - 4.4.9
<br /> <b>Parse error</b>: syntax error, unexpected T_STRING in <b>/in/opvhG</b> on line <b>3</b><br />
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
<br /> <b>Parse error</b>: parse error, unexpected T_STRING in <b>/in/opvhG</b> on line <b>3</b><br />
Process exited with code 255.
Output for 4.3.2 - 4.3.4
<br /> <b>Parse error</b>: parse error in <b>/in/opvhG</b> on line <b>3</b><br />
Process exited with code 255.

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