3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php echo PHP_VERSION."\n"; var_dump(strval(null));
based on ps9Wf
Output for 7.1.0
7.1.0 string(0) ""
Output for 7.0.14
7.0.14 string(0) ""
Output for 7.0.6
7.0.6 string(0) ""
Output for 7.0.5
7.0.5 string(0) ""
Output for 7.0.4
7.0.4 string(0) ""
Output for 7.0.3
7.0.3 string(0) ""
Output for 7.0.2
7.0.2 string(0) ""
Output for 7.0.1
7.0.1 string(0) ""
Output for 7.0.0
7.0.0 string(0) ""
Output for hhvm-3.12.0
5.6.99-hhvm string(0) ""
Output for hhvm-3.10.0

Process exited with code 153.
Output for 5.6.28
5.6.28 string(0) ""
Output for 5.6.21
5.6.21 string(0) ""
Output for 5.6.20
5.6.20 string(0) ""
Output for 5.6.19
5.6.19 string(0) ""
Output for 5.6.18
5.6.18 string(0) ""
Output for 5.6.17
5.6.17 string(0) ""
Output for 5.6.16
5.6.16 string(0) ""
Output for 5.6.15
5.6.15 string(0) ""
Output for 5.6.14
5.6.14 string(0) ""
Output for 5.6.13
5.6.13 string(0) ""
Output for 5.6.12
5.6.12 string(0) ""
Output for 5.6.11
5.6.11 string(0) ""
Output for 5.6.10
5.6.10 string(0) ""
Output for 5.6.9
5.6.9 string(0) ""
Output for 5.6.8
5.6.8 string(0) ""
Output for 5.6.7
5.6.7 string(0) ""
Output for 5.5.35
5.5.35 string(0) ""
Output for 5.5.34
5.5.34 string(0) ""
Output for 5.5.33
5.5.33 string(0) ""
Output for 5.5.32
5.5.32 string(0) ""
Output for 5.5.31
5.5.31 string(0) ""
Output for 5.5.30
5.5.30 string(0) ""
Output for 5.5.29
5.5.29 string(0) ""
Output for 5.5.28
5.5.28 string(0) ""
Output for 5.5.27
5.5.27 string(0) ""
Output for 5.5.26
5.5.26 string(0) ""
Output for 5.5.25
5.5.25 string(0) ""
Output for 5.5.24
5.5.24 string(0) ""
Output for 5.4.45
5.4.45 string(0) ""
Output for 5.4.44
5.4.44 string(0) ""
Output for 5.4.43
5.4.43 string(0) ""
Output for 5.4.42
5.4.42 string(0) ""
Output for 5.4.41
5.4.41 string(0) ""
Output for 5.4.40
5.4.40 string(0) ""
Output for 5.4.39
5.4.39 string(0) ""
Output for 5.4.38
5.4.38 string(0) ""
Output for 5.4.37
5.4.37 string(0) ""
Output for 5.4.36
5.4.36 string(0) ""
Output for 5.4.35
5.4.35 string(0) ""
Output for 5.4.34
5.4.34 string(0) ""
Output for 5.4.32
5.4.32 string(0) ""
Output for 5.4.31
5.4.31 string(0) ""
Output for 5.4.30
5.4.30 string(0) ""
Output for 5.4.29
5.4.29 string(0) ""
Output for 5.4.28
5.4.28 string(0) ""
Output for 5.4.27
5.4.27 string(0) ""
Output for 5.4.26
5.4.26 string(0) ""
Output for 5.4.25
5.4.25 string(0) ""
Output for 5.4.24
5.4.24 string(0) ""
Output for 5.4.23
5.4.23 string(0) ""
Output for 5.4.22
5.4.22 string(0) ""
Output for 5.4.21
5.4.21 string(0) ""
Output for 5.4.20
5.4.20 string(0) ""
Output for 5.4.19
5.4.19 string(0) ""
Output for 5.4.18
5.4.18 string(0) ""
Output for 5.4.17
5.4.17 string(0) ""
Output for 5.4.16
5.4.16 string(0) ""
Output for 5.4.15
5.4.15 string(0) ""
Output for 5.4.14
5.4.14 string(0) ""
Output for 5.4.13
5.4.13 string(0) ""
Output for 5.4.12
5.4.12 string(0) ""
Output for 5.4.11
5.4.11 string(0) ""
Output for 5.4.10
5.4.10 string(0) ""
Output for 5.4.9
5.4.9 string(0) ""
Output for 5.4.8
5.4.8 string(0) ""
Output for 5.4.7
5.4.7 string(0) ""
Output for 5.4.6
5.4.6 string(0) ""
Output for 5.4.5
5.4.5 string(0) ""
Output for 5.4.4
5.4.4 string(0) ""
Output for 5.4.3
5.4.3 string(0) ""
Output for 5.4.2
5.4.2 string(0) ""
Output for 5.4.1
5.4.1 string(0) ""
Output for 5.4.0
5.4.0 string(0) ""
Output for 5.3.29
5.3.29 string(0) ""
Output for 5.3.28
5.3.28 string(0) ""
Output for 5.3.27
5.3.27 string(0) ""
Output for 5.3.26
5.3.26 string(0) ""
Output for 5.3.25
5.3.25 string(0) ""
Output for 5.3.24
5.3.24 string(0) ""
Output for 5.3.23
5.3.23 string(0) ""
Output for 5.3.22
5.3.22 string(0) ""
Output for 5.3.21
5.3.21 string(0) ""
Output for 5.3.20
5.3.20 string(0) ""
Output for 5.3.19
5.3.19 string(0) ""
Output for 5.3.18
5.3.18 string(0) ""
Output for 5.3.17
5.3.17 string(0) ""
Output for 5.3.16
5.3.16 string(0) ""
Output for 5.3.15
5.3.15 string(0) ""
Output for 5.3.14
5.3.14 string(0) ""
Output for 5.3.13
5.3.13 string(0) ""
Output for 5.3.12
5.3.12 string(0) ""
Output for 5.3.11
5.3.11 string(0) ""
Output for 5.3.10
5.3.10 string(0) ""
Output for 5.3.9
5.3.9 string(0) ""
Output for 5.3.8
5.3.8 string(0) ""
Output for 5.3.7
5.3.7 string(0) ""
Output for 5.3.6
5.3.6 string(0) ""
Output for 5.3.5
5.3.5 string(0) ""
Output for 5.3.4
5.3.4 string(0) ""
Output for 5.3.3
5.3.3 string(0) ""
Output for 5.3.2
5.3.2 string(0) ""
Output for 5.3.1
5.3.1 string(0) ""
Output for 5.3.0
5.3.0 string(0) ""
Output for 5.2.17
5.2.17 string(0) ""
Output for 5.2.16
5.2.16 string(0) ""
Output for 5.2.15
5.2.15 string(0) ""
Output for 5.2.14
5.2.14 string(0) ""
Output for 5.2.13
5.2.13 string(0) ""
Output for 5.2.12
5.2.12 string(0) ""
Output for 5.2.11
5.2.11 string(0) ""
Output for 5.2.10
5.2.10 string(0) ""
Output for 5.2.9
5.2.9 string(0) ""
Output for 5.2.8
5.2.8 string(0) ""
Output for 5.2.7
5.2.7 string(0) ""
Output for 5.2.6
5.2.6 string(0) ""
Output for 5.2.5
5.2.5 string(0) ""
Output for 5.2.4
5.2.4 string(0) ""
Output for 5.2.3
5.2.3 string(0) ""
Output for 5.2.2
5.2.2 string(0) ""
Output for 5.2.1
5.2.1 string(0) ""
Output for 5.2.0
5.2.0 string(0) ""
Output for 5.1.6
5.1.6 string(0) ""
Output for 5.1.5
5.1.5 string(0) ""
Output for 5.1.4
5.1.4 string(0) ""
Output for 5.1.3
5.1.3 string(0) ""
Output for 5.1.2
5.1.2 string(0) ""
Output for 5.1.1
5.1.1 string(0) ""
Output for 5.1.0
5.1.0 string(0) ""
Output for 5.0.5
5.0.5 string(0) ""
Output for 5.0.4
5.0.4 string(0) ""
Output for 5.0.3
5.0.3 string(0) ""
Output for 5.0.2
5.0.2 string(0) ""
Output for 5.0.1
5.0.1 string(0) ""
Output for 5.0.0
5.0.0 string(0) ""
Output for 4.4.9
4.4.9 string(0) ""
Output for 4.4.8
4.4.8 string(0) ""
Output for 4.4.7
4.4.7 string(0) ""
Output for 4.4.6
4.4.6 string(0) ""
Output for 4.4.5
4.4.5 string(0) ""
Output for 4.4.4
4.4.4 string(0) ""
Output for 4.4.3
4.4.3 string(0) ""
Output for 4.4.2
4.4.2 string(0) ""
Output for 4.4.1
4.4.1 string(0) ""
Output for 4.4.0
4.4.0 string(0) ""
Output for 4.3.11
4.3.11 string(0) ""
Output for 4.3.10
4.3.10 string(0) ""
Output for 4.3.9
4.3.9 string(0) ""
Output for 4.3.8
4.3.8 string(0) ""
Output for 4.3.7
4.3.7 string(0) ""
Output for 4.3.6
4.3.6 string(0) ""
Output for 4.3.5
4.3.5 string(0) ""
Output for 4.3.4
4.3.4 string(0) ""
Output for 4.3.3
4.3.3 string(0) ""
Output for 4.3.2
4.3.2 string(0) ""
Output for 4.3.1
4.3.1 string(0) ""
Output for 4.3.0
4.3.0 string(0) ""