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<?php class Foo implements IteratorAggregate{ function getIterator(){ return $this; } } $foo = new Foo(); foreach($foo as $x){}
Output for 8.1.0 - 8.1.28, 8.2.0 - 8.2.19, 8.3.0 - 8.3.4, 8.3.6 - 8.3.7
Deprecated: Return type of Foo::getIterator() should either be compatible with IteratorAggregate::getIterator(): Traversable, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in /in/Kci1f on line 4 Fatal error: Uncaught Exception: Objects returned by Foo::getIterator() must be traversable or implement interface Iterator in /in/Kci1f:10 Stack trace: #0 {main} thrown in /in/Kci1f on line 10
Process exited with code 255.
Output for 8.3.5
Warning: PHP Startup: Unable to load dynamic library 'sodium.so' (tried: /usr/lib/php/8.3.5/modules/sodium.so (libsodium.so.23: cannot open shared object file: No such file or directory), /usr/lib/php/8.3.5/modules/sodium.so.so (/usr/lib/php/8.3.5/modules/sodium.so.so: cannot open shared object file: No such file or directory)) in Unknown on line 0 Deprecated: Return type of Foo::getIterator() should either be compatible with IteratorAggregate::getIterator(): Traversable, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in /in/Kci1f on line 4 Fatal error: Uncaught Exception: Objects returned by Foo::getIterator() must be traversable or implement interface Iterator in /in/Kci1f:10 Stack trace: #0 {main} thrown in /in/Kci1f on line 10
Process exited with code 255.
Output for 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
Fatal error: Uncaught Exception: Objects returned by Foo::getIterator() must be traversable or implement interface Iterator in /in/Kci1f:10 Stack trace: #0 {main} thrown in /in/Kci1f on line 10
Process exited with code 255.
Output for 5.6.0 - 5.6.40
Fatal error: Uncaught exception 'Exception' with message 'Objects returned by Foo::getIterator() must be traversable or implement interface Iterator' in /in/Kci1f:10 Stack trace: #0 /in/Kci1f(10): unknown() #1 {main} thrown in /in/Kci1f on line 10
Process exited with code 255.

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