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<?php $arr = new RecursiveArrayIterator(['test1', ['test2', 'test3']); $regex = new RecursiveRegexIterator($arr, '/^test/', RegexIterator::MATCH_ALL, 4, 4); $regex->next(); $child = $regex->getChildren(); var_dump(get_class($child), $child->getMode(), $child->getFlags(), $child->getPregFlags());
Output for 5.4.0 - 5.4.32
Parse error: syntax error, unexpected ')', expecting ']' in /in/LJfei on line 3
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/LJfei 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, 5.0.0 - 5.0.5
Parse error: parse error, unexpected '[', expecting ')' in /in/LJfei on line 3
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error, expecting `')'' in /in/LJfei on line 3
Process exited with code 255.

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