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run code in 300+ PHP versions simultaneously
<?php class Subject implements Iterator { public function current() { return 2; } public function next() {} public function key() { return 1; } public function valid() { return false; } public function rewind() {} /** @return string */ public function blahBlahBlah() { return "blah"; } } $iter = new IteratorIterator(new Subject()); echo $iter->blahBlahBlah();
Output for 8.1.0 - 8.1.30, 8.2.0 - 8.2.25, 8.3.0 - 8.3.13
Deprecated: Return type of Subject::current() should either be compatible with Iterator::current(): mixed, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in /in/vCAfm on line 4 Deprecated: Return type of Subject::next() should either be compatible with Iterator::next(): void, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in /in/vCAfm on line 5 Deprecated: Return type of Subject::key() should either be compatible with Iterator::key(): mixed, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in /in/vCAfm on line 6 Deprecated: Return type of Subject::valid() should either be compatible with Iterator::valid(): bool, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in /in/vCAfm on line 7 Deprecated: Return type of Subject::rewind() should either be compatible with Iterator::rewind(): void, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in /in/vCAfm on line 8 blah
Output for 5.1.0 - 5.1.6, 5.2.0 - 5.2.17, 5.3.0 - 5.3.29, 5.4.0 - 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 - 7.4.33, 8.0.0 - 8.0.30
blah
Output for 5.0.0 - 5.0.5
Fatal error: Class 'IteratorIterator' not found in /in/vCAfm on line 14
Process exited with code 255.
Output for 4.4.2 - 4.4.9
Parse error: syntax error, unexpected T_STRING, expecting '{' in /in/vCAfm 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 '{' in /in/vCAfm on line 3
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error, expecting `'{'' in /in/vCAfm on line 3
Process exited with code 255.
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