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<?php class x extends RecursiveRegexIterator{} $arr = new RecursiveArrayIterator([0,[1,2]]); $x = new x($arr, '/.*/'); $child = $x->getChildren();
Output for 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
Fatal error: Uncaught TypeError: ArrayIterator::__construct(): Argument #1 ($array) must be of type array, int given in /in/eVklf:7 Stack trace: #0 [internal function]: ArrayIterator->__construct(0, 0) #1 [internal function]: RecursiveArrayIterator->getChildren() #2 /in/eVklf(7): RecursiveRegexIterator->getChildren() #3 {main} thrown in /in/eVklf on line 7
Process exited with code 255.
Output for 7.0.20, 7.1.5 - 7.1.20, 7.2.0 - 7.2.33, 7.3.16 - 7.3.33, 7.4.0 - 7.4.33
Fatal error: Uncaught InvalidArgumentException: Passed variable is not an array or object in /in/eVklf:7 Stack trace: #0 [internal function]: ArrayIterator->__construct(0, 0) #1 [internal function]: RecursiveArrayIterator->getChildren() #2 /in/eVklf(7): RecursiveRegexIterator->getChildren() #3 {main} thrown in /in/eVklf on line 7
Process exited with code 255.
Output for 7.0.0 - 7.0.14, 7.1.0
Fatal error: Uncaught InvalidArgumentException: Passed variable is not an array or object, using empty array instead in /in/eVklf:7 Stack trace: #0 [internal function]: ArrayIterator->__construct(0, 0) #1 [internal function]: RecursiveArrayIterator->getChildren() #2 /in/eVklf(7): RecursiveRegexIterator->getChildren() #3 {main} thrown in /in/eVklf on line 7
Process exited with code 255.
Output for 5.4.0 - 5.4.45, 5.5.0 - 5.5.38, 5.6.0 - 5.6.28
Fatal error: Uncaught exception 'InvalidArgumentException' with message 'Passed variable is not an array or object, using empty array instead' in /in/eVklf:7 Stack trace: #0 [internal function]: ArrayIterator->__construct(0, 67108864) #1 [internal function]: RecursiveArrayIterator->getChildren() #2 /in/eVklf(7): RecursiveRegexIterator->getChildren() #3 {main} thrown in /in/eVklf on line 7
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/eVklf 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/eVklf on line 5
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error, expecting `')'' in /in/eVklf on line 5
Process exited with code 255.

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