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run code in 300+ PHP versions simultaneously
<?php class FooIterator extends FilterIterator { public function accept() { return true; } } $iterator = new FooIterator(new ArrayIterator(array(1))); echo $iterator->count();
Output for 8.1.0 - 8.1.7
Deprecated: Return type of FooIterator::accept() should either be compatible with FilterIterator::accept(): bool, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in /in/7FYk4 on line 3 1
Output for 5.0.0 - 5.0.5, 5.1.0 - 5.1.4, 5.1.6, 5.2.0 - 5.2.2, 5.2.4, 5.2.6, 5.2.8, 5.2.10, 5.2.12, 5.2.15, 5.2.17, 5.3.16 - 5.3.29, 5.4.6 - 5.4.45, 5.5.0 - 5.5.38, 5.6.0 - 5.6.40, 7.0.0 - 7.0.33, 7.1.0 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.30, 8.0.0 - 8.0.20
1
Output for 5.3.0 - 5.3.15, 5.4.0 - 5.4.5
1
Process exited with code 139.
Output for 5.1.5, 5.2.3, 5.2.5, 5.2.7, 5.2.9, 5.2.11, 5.2.13 - 5.2.14, 5.2.16
0
Output for 4.4.2 - 4.4.9
Parse error: syntax error, unexpected T_STRING, expecting T_OLD_FUNCTION or T_FUNCTION or T_VAR or '}' in /in/7FYk4 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
Parse error: parse error, unexpected T_STRING, expecting T_OLD_FUNCTION or T_FUNCTION or T_VAR or '}' in /in/7FYk4 on line 3
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error, expecting `T_OLD_FUNCTION' or `T_FUNCTION' or `T_VAR' or `'}'' in /in/7FYk4 on line 3
Process exited with code 255.

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