3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php echo PHP_VERSION."\n"; var_dump(strval(null));
based on ps9Wf
Output for 7.1.7
7.1.7 string(0) ""
Output for 7.1.6
7.1.6 string(0) ""
Output for 7.1.5
7.1.5 string(0) ""
Output for 7.1.0
7.1.0 string(0) ""
Output for 7.0.20
7.0.20 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 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) ""