- Output for 8.0.0 - 8.0.30, 8.1.0 - 8.1.34, 8.2.0 - 8.2.34, 8.3.0 - 8.3.35, 8.4.1 - 8.4.26, 8.5.0 - 8.5.11
- bool(true) bool(false)
- Output for 4.3.4 - 4.3.11, 4.4.0 - 4.4.9
- bool(false) bool(false)
- Output for 4.3.0 - 4.3.1, 4.3.2 - 4.3.3
- Fatal error: Call to undefined function: mb_regex_encoding() in /in/I4Ksj on line 4
- Output for 5.0.0 - 5.0.5, 5.1.0 - 5.1.6, 5.2.0 - 5.2.17, 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.0 - 5.5.38, 5.6.0 - 5.6.40, 7.0.0 - 7.0.33, 7.1.0 - 7.1.33, 7.2.0 - 7.2.34, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33
- int(1) bool(false)