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<?php $arr = new ArrayIterator([]); $regex = new RegexIterator($arr, '/^test/'); var_dump($regex->getMode(), $regex->getFlags(), $regex->getPregFlags());
Output for 7.1.22 - 7.1.25, 7.2.10 - 7.2.33, 7.3.0 - 7.3.23, 7.4.0 - 7.4.12, 8.0.0alpha1 - rc2
int(0) int(0) int(0)
Output for 5.4.0 - 5.4.45, 5.5.0 - 5.5.38, 5.6.0 - 5.6.38, 7.0.0 - 7.0.31, 7.1.0 - 7.1.21, 7.2.0 - 7.2.9
int(0) int(0) NULL
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/cRmui on line 2
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/cRmui on line 2
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error, expecting `')'' in /in/cRmui on line 2
Process exited with code 255.