3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php $test = 'ra'; $test .= 'nd'; echo $test(0, 9);
Output for 5.2.9, 5.2.13, 5.3.17, 5.4.11, 5.4.26, 5.4.31, 5.4.39, 5.5.3, 5.5.7, 5.5.14, 5.5.26, 5.5.28, 5.5.36, 5.6.2, 5.6.5, 5.6.16, 5.6.21, 5.6.28, 7.0.3, 7.1.0
2
Output for 4.4.1, 4.4.3 - 4.4.4, 4.4.8 - 4.4.9, 5.0.3, 5.1.6, 5.3.12, 5.3.16, 5.4.14, 5.4.17, 5.4.23, 5.4.27, 5.4.40, 5.5.8, 5.6.1, 5.6.11 - 5.6.12, 5.6.17, 5.6.24, 7.0.0, 7.0.4, 7.0.7, 7.0.14
4
Output for 4.3.1, 4.3.10, 5.0.2, 5.2.4, 5.2.8, 5.3.7, 5.3.20, 5.3.24, 5.4.2, 5.4.22, 5.4.38, 5.5.6, 5.5.9 - 5.5.10, 5.5.12 - 5.5.13, 5.5.31, 5.6.0, 5.6.4, 5.6.9, 5.6.13, 7.0.10
6
Output for 4.3.2 - 4.3.3, 4.3.5 - 4.3.9, 4.4.2, 5.1.0, 5.2.3, 5.2.6, 5.3.1, 5.3.9 - 5.3.10, 5.3.13, 5.3.15, 5.3.19, 5.4.13, 5.4.44, 5.5.1, 5.5.22, 5.5.30, 5.5.38, 5.6.6, 5.6.8, 5.6.15, 5.6.22, 7.0.1, 7.0.5, 7.0.9
8
Output for 4.3.11, 5.3.18, 5.3.27, 5.3.29, 5.4.3, 5.4.5, 5.4.16, 5.4.20 - 5.4.21, 5.4.35, 5.4.41, 5.5.23, 5.5.25, 5.6.19, 7.0.2, 7.0.8
9
Output for 4.4.6, 5.0.4, 5.1.1, 5.2.17, 5.3.4 - 5.3.5, 5.3.14, 5.3.22, 5.3.28, 5.4.4, 5.4.7, 5.4.18, 5.4.25, 5.5.4, 5.5.32, 5.5.37, 5.6.3, 5.6.25, 7.0.6
0
Output for 4.4.0, 5.0.1, 5.1.2, 5.2.2, 5.2.5, 5.2.14 - 5.2.15, 5.3.2, 5.3.11, 5.3.25, 5.4.0 - 5.4.1, 5.4.12, 5.4.29 - 5.4.30, 5.4.32, 5.4.36 - 5.4.37, 5.5.19, 5.6.10, 5.6.23
1
Output for 4.4.5, 4.4.7, 5.0.5, 5.2.0, 5.3.0, 5.3.23, 5.4.6, 5.4.8, 5.4.15, 5.4.42 - 5.4.43, 5.5.5, 5.5.18, 5.5.21, 5.5.29, 5.5.33 - 5.5.35, 5.6.7, 5.6.20
5
Output for 5.2.1, 5.2.7, 5.2.10, 5.2.16, 5.3.6, 5.3.8, 5.3.21, 5.3.26, 5.4.10, 5.4.28, 5.4.34, 5.5.2, 5.5.11, 5.5.15, 5.6.18
3
Output for 4.3.0, 4.3.4, 5.0.0, 5.1.3 - 5.1.5, 5.2.11 - 5.2.12, 5.3.3, 5.4.9, 5.4.19, 5.4.24, 5.4.45 - 5.5.0, 5.5.16, 5.5.20, 5.5.24, 5.5.27, 5.6.14
7