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<?php class NullKeyIterator extends \ArrayIterator { public function key() { return new stdClass(); } } $iterator = new NullKeyIterator(range(1,10)); foreach($iterator as $key => $value) { var_dump($key, $value); }
Output for 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
Deprecated: Return type of NullKeyIterator::key() should either be compatible with ArrayIterator::key(): string|int|null, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in /in/FXqdO on line 5 object(stdClass)#3 (0) { } int(1) object(stdClass)#4 (0) { } int(2) object(stdClass)#3 (0) { } int(3) object(stdClass)#4 (0) { } int(4) object(stdClass)#3 (0) { } int(5) object(stdClass)#4 (0) { } int(6) object(stdClass)#3 (0) { } int(7) object(stdClass)#4 (0) { } int(8) object(stdClass)#3 (0) { } int(9) object(stdClass)#4 (0) { } int(10)
Output for 5.5.24 - 5.5.35, 5.6.8 - 5.6.28, 7.0.0 - 7.0.20, 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
object(stdClass)#3 (0) { } int(1) object(stdClass)#4 (0) { } int(2) object(stdClass)#3 (0) { } int(3) object(stdClass)#4 (0) { } int(4) object(stdClass)#3 (0) { } int(5) object(stdClass)#4 (0) { } int(6) object(stdClass)#3 (0) { } int(7) object(stdClass)#4 (0) { } int(8) object(stdClass)#3 (0) { } int(9) object(stdClass)#4 (0) { } int(10)
Output for 5.3.0 - 5.3.29, 5.4.0 - 5.4.45
Warning: Illegal type returned from NullKeyIterator::key() in /in/FXqdO on line 11 int(0) int(1) Warning: Illegal type returned from NullKeyIterator::key() in /in/FXqdO on line 11 int(0) int(2) Warning: Illegal type returned from NullKeyIterator::key() in /in/FXqdO on line 11 int(0) int(3) Warning: Illegal type returned from NullKeyIterator::key() in /in/FXqdO on line 11 int(0) int(4) Warning: Illegal type returned from NullKeyIterator::key() in /in/FXqdO on line 11 int(0) int(5) Warning: Illegal type returned from NullKeyIterator::key() in /in/FXqdO on line 11 int(0) int(6) Warning: Illegal type returned from NullKeyIterator::key() in /in/FXqdO on line 11 int(0) int(7) Warning: Illegal type returned from NullKeyIterator::key() in /in/FXqdO on line 11 int(0) int(8) Warning: Illegal type returned from NullKeyIterator::key() in /in/FXqdO on line 11 int(0) int(9) Warning: Illegal type returned from NullKeyIterator::key() in /in/FXqdO on line 11 int(0) int(10)
Output for 5.0.0 - 5.0.5, 5.1.0 - 5.1.6, 5.2.0 - 5.2.17
Warning: Unexpected character in input: '\' (ASCII=92) state=1 in /in/FXqdO on line 3 Warning: Illegal type returned from NullKeyIterator::key() in /in/FXqdO on line 11 int(0) int(1) Warning: Illegal type returned from NullKeyIterator::key() in /in/FXqdO on line 11 int(0) int(2) Warning: Illegal type returned from NullKeyIterator::key() in /in/FXqdO on line 11 int(0) int(3) Warning: Illegal type returned from NullKeyIterator::key() in /in/FXqdO on line 11 int(0) int(4) Warning: Illegal type returned from NullKeyIterator::key() in /in/FXqdO on line 11 int(0) int(5) Warning: Illegal type returned from NullKeyIterator::key() in /in/FXqdO on line 11 int(0) int(6) Warning: Illegal type returned from NullKeyIterator::key() in /in/FXqdO on line 11 int(0) int(7) Warning: Illegal type returned from NullKeyIterator::key() in /in/FXqdO on line 11 int(0) int(8) Warning: Illegal type returned from NullKeyIterator::key() in /in/FXqdO on line 11 int(0) int(9) Warning: Illegal type returned from NullKeyIterator::key() in /in/FXqdO on line 11 int(0) int(10)
Output for 4.4.2 - 4.4.9
Warning: Unexpected character in input: '\' (ASCII=92) state=1 in /in/FXqdO on line 3 Parse error: syntax error, unexpected T_STRING, expecting T_OLD_FUNCTION or T_FUNCTION or T_VAR or '}' in /in/FXqdO on line 5
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
Warning: Unexpected character in input: '\' (ASCII=92) state=1 in /in/FXqdO on line 3 Parse error: parse error, unexpected T_STRING, expecting T_OLD_FUNCTION or T_FUNCTION or T_VAR or '}' in /in/FXqdO on line 5
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Warning: Unexpected character in input: '\' (ASCII=92) state=1 in /in/FXqdO on line 3 Parse error: parse error, expecting `T_OLD_FUNCTION' or `T_FUNCTION' or `T_VAR' or `'}'' in /in/FXqdO on line 5
Process exited with code 255.
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