3v4l.org

run code in 300+ PHP versions simultaneously
<?php $it = new \ArrayIterator(array("tmp", "foo", "bar", "bazbar")); $it = new \RegexIterator($it, "/ba(.)/", \RegexIterator::ALL_MATCHES); echo count(iterator_to_array($it));
Output for 5.5.19 - 5.5.38, 5.6.3 - 5.6.40, 7.0.0 - 7.0.33, 7.1.0 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.27, 8.2.0 - 8.2.17, 8.3.0 - 8.3.4
2
Output for 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.0 - 5.5.18, 5.6.0 - 5.6.2
4
Output for 5.2.0 - 5.2.17
Warning: Unexpected character in input: '\' (ASCII=92) state=1 in /in/54duh on line 3 Warning: Unexpected character in input: '\' (ASCII=92) state=1 in /in/54duh on line 4 Warning: Unexpected character in input: '\' (ASCII=92) state=1 in /in/54duh on line 4 4
Output for 5.0.0 - 5.0.5, 5.1.0 - 5.1.6
Warning: Unexpected character in input: '\' (ASCII=92) state=1 in /in/54duh on line 3 Warning: Unexpected character in input: '\' (ASCII=92) state=1 in /in/54duh on line 4 Warning: Unexpected character in input: '\' (ASCII=92) state=1 in /in/54duh on line 4 Fatal error: Class 'RegexIterator' not found in /in/54duh on line 4
Process exited with code 255.
Output for 4.4.2 - 4.4.9
Warning: Unexpected character in input: '\' (ASCII=92) state=1 in /in/54duh on line 3 Warning: Unexpected character in input: '\' (ASCII=92) state=1 in /in/54duh on line 4 Warning: Unexpected character in input: '\' (ASCII=92) state=1 in /in/54duh on line 4 Parse error: syntax error, unexpected ')', expecting '(' in /in/54duh on line 4
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
Warning: Unexpected character in input: '\' (ASCII=92) state=1 in /in/54duh on line 3 Warning: Unexpected character in input: '\' (ASCII=92) state=1 in /in/54duh on line 4 Warning: Unexpected character in input: '\' (ASCII=92) state=1 in /in/54duh on line 4 Parse error: parse error, unexpected ')', expecting '(' in /in/54duh on line 4
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Warning: Unexpected character in input: '\' (ASCII=92) state=1 in /in/54duh on line 3 Warning: Unexpected character in input: '\' (ASCII=92) state=1 in /in/54duh on line 4 Warning: Unexpected character in input: '\' (ASCII=92) state=1 in /in/54duh on line 4 Parse error: parse error, expecting `'('' in /in/54duh on line 4
Process exited with code 255.

preferences:
330.55 ms | 401 KiB | 454 Q