3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php $arr = new RecursiveArrayIterator([0,1,[0,1]]); $r = new RegexIterator($arr, "/[0-9]/"); foreach($r as $k=>$v) { var_dump($v); }
based on blPTf
Output for 5.5.24 - 7.1.0
int(0) int(1)
Output for 5.4.0 - 5.4.45
int(0) int(1) Notice: Array to string conversion in /in/5TSPa on line 7
Output for 4.4.2 - 4.4.9, 5.1.0 - 5.3.29
Parse error: syntax error, unexpected '[', expecting ')' in /in/5TSPa on line 2
Process exited with code 255.
Output for 4.3.0 - 4.3.1, 4.3.5 - 4.4.1, 5.0.0 - 5.0.5
Parse error: parse error, unexpected '[', expecting ')' in /in/5TSPa on line 2
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error, expecting `')'' in /in/5TSPa on line 2
Process exited with code 255.