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<?php class Bar implements Iterator { protected $offset = 0; function key(){ throw new Exception("collection doesn't have a key"); } function rewind(){ $this->offset = 0; } function next(){ $this->offset++; } function current(){ return "thank u baby jesus"; } function valid(){ return $this->offset <= 5; } } foreach(new Bar as $value){ var_dump($value); }
Output for 8.1.0 - 8.1.34, 8.2.0 - 8.2.30, 8.3.0 - 8.3.30, 8.4.1 - 8.4.18, 8.5.0 - 8.5.3
Deprecated: Return type of Bar::current() should either be compatible with Iterator::current(): mixed, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in /in/hGcqg on line 19 Deprecated: Return type of Bar::next() should either be compatible with Iterator::next(): void, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in /in/hGcqg on line 15 Deprecated: Return type of Bar::key() should either be compatible with Iterator::key(): mixed, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in /in/hGcqg on line 7 Deprecated: Return type of Bar::valid() should either be compatible with Iterator::valid(): bool, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in /in/hGcqg on line 23 Deprecated: Return type of Bar::rewind() should either be compatible with Iterator::rewind(): void, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in /in/hGcqg on line 11 string(18) "thank u baby jesus" string(18) "thank u baby jesus" string(18) "thank u baby jesus" string(18) "thank u baby jesus" string(18) "thank u baby jesus" string(18) "thank u baby jesus"
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
string(18) "thank u baby jesus" string(18) "thank u baby jesus" string(18) "thank u baby jesus" string(18) "thank u baby jesus" string(18) "thank u baby jesus" string(18) "thank u baby jesus"
Output for 5.0.5
Warning: Nothing returned from Bar::key() in /in/hGcqg on line 30 Fatal error: Uncaught exception 'Exception' with message 'collection doesn't have a key' in /in/hGcqg:8 Stack trace: #0 /in/hGcqg(28): Bar::key() #1 {main} thrown in /in/hGcqg on line 8
Process exited with code 255.
Output for 5.0.3 - 5.0.4
Warning: Nothing returned from Bar::key() in /in/hGcqg on line 30 Fatal error: Uncaught exception 'Exception' with message 'collection doesn't have a key' in /in/hGcqg:8 Stack trace: #0 /in/hGcqg(8): Bar::key() #1 /in/hGcqg(28): Bar::key() #2 /in/hGcqg(28): unknown() #3 {main} thrown in /in/hGcqg on line 8
Process exited with code 255.
Output for 5.0.0 - 5.0.2
Warning: Nothing returned from Bar::key() in /in/hGcqg on line 30 Fatal error: Uncaught exception 'Exception' with message 'collection doesn't have a key' in /in/hGcqg:8 Stack trace: #0 /in/hGcqg(28): Bar::key() #1 /in/hGcqg(28): unknown() #2 {main} thrown in /in/hGcqg on line 8
Process exited with code 255.
Output for 4.4.2 - 4.4.9
Parse error: syntax error, unexpected T_STRING, expecting '{' in /in/hGcqg 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/hGcqg on line 3
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error, expecting `'{'' in /in/hGcqg on line 3
Process exited with code 255.

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