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<?php class x extends RecursiveRegexIterator{} $arr = new ArrayIterator([0,[1,2]]); $x = new x($arr, '/.*/'); var_dump(get_class($x->getChildren()));
Output for 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
Fatal error: Uncaught TypeError: RecursiveRegexIterator::__construct(): Argument #1 ($iterator) must be of type RecursiveIterator, ArrayIterator given in /in/R7MfH:6 Stack trace: #0 /in/R7MfH(6): RecursiveRegexIterator->__construct(Object(ArrayIterator), '/.*/') #1 {main} thrown in /in/R7MfH on line 6
Process exited with code 255.
Output for 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
Fatal error: Uncaught TypeError: Argument 1 passed to RecursiveRegexIterator::__construct() must implement interface RecursiveIterator, instance of ArrayIterator given in /in/R7MfH:6 Stack trace: #0 /in/R7MfH(6): RecursiveRegexIterator->__construct(Object(ArrayIterator), '/.*/') #1 {main} thrown in /in/R7MfH on line 6
Process exited with code 255.
Output for 5.4.0 - 5.4.45, 5.5.24 - 5.5.35, 5.6.7 - 5.6.28
Catchable fatal error: Argument 1 passed to RecursiveRegexIterator::__construct() must implement interface RecursiveIterator, instance of ArrayIterator given in /in/R7MfH on line 6
Process exited with code 255.
Output for 4.4.2 - 4.4.9, 5.1.0 - 5.1.6, 5.2.0 - 5.2.17, 5.3.0 - 5.3.29
Parse error: syntax error, unexpected '[', expecting ')' in /in/R7MfH 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, 5.0.0 - 5.0.5
Parse error: parse error, unexpected '[', expecting ')' in /in/R7MfH on line 5
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error, expecting `')'' in /in/R7MfH on line 5
Process exited with code 255.

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