3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php $a=array(); $a[-2]=mt_rand(0,1); $a[-1]=mt_rand(0,1); $a[0] =mt_rand(0,1); $a[ 1]=mt_rand(0,1); $obj=(object)$a; echo $obj->{-2}.', '.$obj->{0}.', '.$obj->{1}."\n"; $b =(array)$obj; echo $b[-2].', '.$b[0].', '.$b[1]."\n"; $obj=unserialize(serialize($obj)); echo $obj->{-2}.', '.$obj->{0}.', '.$obj->{1}."\n"; ?>
based on 2IFHs
Output for 5.3.10, 5.3.17, 5.3.23, 5.3.27, 5.4.2 - 5.4.3, 5.4.12, 5.4.19, 5.4.24, 5.4.36, 5.4.42, 5.5.28, 5.6.11 - 5.6.12, hhvm-3.12.0, 7.1.0
Notice: Undefined property: stdClass::$-2 in /in/2lWEd on line 9 Notice: Undefined property: stdClass::$0 in /in/2lWEd on line 9 Notice: Undefined property: stdClass::$1 in /in/2lWEd on line 9 , , 0, 0, 1 0, 0, 1
Output for 5.3.9, 5.3.22, 5.3.24, 5.3.26, 5.4.5, 5.4.8, 5.4.11, 5.4.15, 5.4.17 - 5.4.18, 5.4.26, 5.4.29, 5.5.29, 5.6.13, 5.6.19 - 5.6.21, 7.0.0 - 7.0.1, 7.0.5, 7.0.14
Notice: Undefined property: stdClass::$-2 in /in/2lWEd on line 9 Notice: Undefined property: stdClass::$0 in /in/2lWEd on line 9 Notice: Undefined property: stdClass::$1 in /in/2lWEd on line 9 , , 1, 1, 1 1, 1, 1
Output for 5.3.19 - 5.3.20, 5.5.26, 5.6.18, 7.0.2, 7.0.6
Notice: Undefined property: stdClass::$-2 in /in/2lWEd on line 9 Notice: Undefined property: stdClass::$0 in /in/2lWEd on line 9 Notice: Undefined property: stdClass::$1 in /in/2lWEd on line 9 , , 0, 0, 0 0, 0, 0
Output for 5.3.21, 5.4.0, 5.4.6, 5.4.21, 5.4.25, 5.5.24, 5.5.31, 5.5.34, 5.6.14 - 5.6.15, 7.0.3 - 7.0.4
Notice: Undefined property: stdClass::$-2 in /in/2lWEd on line 9 Notice: Undefined property: stdClass::$0 in /in/2lWEd on line 9 Notice: Undefined property: stdClass::$1 in /in/2lWEd on line 9 , , 1, 0, 0 1, 0, 0
Output for 5.3.13 - 5.3.15, 5.3.29, 5.4.7, 5.4.13, 5.4.20, 5.4.27 - 5.4.28, 5.4.34, 5.4.43 - 5.4.44, 5.5.33, 5.6.17, hhvm-3.10.0
Notice: Undefined property: stdClass::$-2 in /in/2lWEd on line 9 Notice: Undefined property: stdClass::$0 in /in/2lWEd on line 9 Notice: Undefined property: stdClass::$1 in /in/2lWEd on line 9 , , 1, 0, 1 1, 0, 1
Output for 5.3.12, 5.3.16, 5.4.14, 5.4.16, 5.4.23, 5.4.32, 5.4.38, 5.4.40 - 5.4.41, 5.4.45, 5.5.27, 5.6.8, 5.6.16, 5.6.28
Notice: Undefined property: stdClass::$-2 in /in/2lWEd on line 9 Notice: Undefined property: stdClass::$0 in /in/2lWEd on line 9 Notice: Undefined property: stdClass::$1 in /in/2lWEd on line 9 , , 0, 1, 1 0, 1, 1
Output for 5.3.11, 5.3.18, 5.4.9 - 5.4.10, 5.4.22, 5.4.35, 5.4.37, 5.5.25, 5.5.35, 5.6.10
Notice: Undefined property: stdClass::$-2 in /in/2lWEd on line 9 Notice: Undefined property: stdClass::$0 in /in/2lWEd on line 9 Notice: Undefined property: stdClass::$1 in /in/2lWEd on line 9 , , 0, 1, 0 0, 1, 0
Output for 5.3.25, 5.3.28, 5.4.1, 5.4.4, 5.4.30 - 5.4.31, 5.4.39, 5.5.30, 5.5.32, 5.6.7, 5.6.9
Notice: Undefined property: stdClass::$-2 in /in/2lWEd on line 9 Notice: Undefined property: stdClass::$0 in /in/2lWEd on line 9 Notice: Undefined property: stdClass::$1 in /in/2lWEd on line 9 , , 1, 1, 0 1, 1, 0
Output for 5.2.14 - 5.2.15, 5.3.2, 5.3.6, 5.3.8
Notice: Undefined property: stdClass::$-2 in /in/2lWEd on line 9 Notice: Undefined property: stdClass::$0 in /in/2lWEd on line 9 Notice: Undefined property: stdClass::$1 in /in/2lWEd on line 9 , , 1, 0, 1 Notice: Undefined property: stdClass::$-2 in /in/2lWEd on line 14 Notice: Undefined property: stdClass::$0 in /in/2lWEd on line 14 Notice: Undefined property: stdClass::$1 in /in/2lWEd on line 14 , ,
Output for 5.2.6, 5.3.7
Notice: Undefined property: stdClass::$-2 in /in/2lWEd on line 9 Notice: Undefined property: stdClass::$0 in /in/2lWEd on line 9 Notice: Undefined property: stdClass::$1 in /in/2lWEd on line 9 , , 1, 1, 1 Notice: Undefined property: stdClass::$-2 in /in/2lWEd on line 14 Notice: Undefined property: stdClass::$0 in /in/2lWEd on line 14 Notice: Undefined property: stdClass::$1 in /in/2lWEd on line 14 , ,
Output for 5.3.5
Notice: Undefined property: stdClass::$-2 in /in/2lWEd on line 9 Notice: Undefined property: stdClass::$0 in /in/2lWEd on line 9 Notice: Undefined property: stdClass::$1 in /in/2lWEd on line 9 , , 0, 1, 1 Notice: Undefined property: stdClass::$-2 in /in/2lWEd on line 14 Notice: Undefined property: stdClass::$0 in /in/2lWEd on line 14 Notice: Undefined property: stdClass::$1 in /in/2lWEd on line 14 , ,
Output for 5.2.8, 5.3.4
Notice: Undefined property: stdClass::$-2 in /in/2lWEd on line 9 Notice: Undefined property: stdClass::$0 in /in/2lWEd on line 9 Notice: Undefined property: stdClass::$1 in /in/2lWEd on line 9 , , 0, 0, 0 Notice: Undefined property: stdClass::$-2 in /in/2lWEd on line 14 Notice: Undefined property: stdClass::$0 in /in/2lWEd on line 14 Notice: Undefined property: stdClass::$1 in /in/2lWEd on line 14 , ,
Output for 5.2.7, 5.2.13, 5.2.16, 5.3.1, 5.3.3
Notice: Undefined property: stdClass::$-2 in /in/2lWEd on line 9 Notice: Undefined property: stdClass::$0 in /in/2lWEd on line 9 Notice: Undefined property: stdClass::$1 in /in/2lWEd on line 9 , , 1, 0, 0 Notice: Undefined property: stdClass::$-2 in /in/2lWEd on line 14 Notice: Undefined property: stdClass::$0 in /in/2lWEd on line 14 Notice: Undefined property: stdClass::$1 in /in/2lWEd on line 14 , ,
Output for 5.2.9, 5.2.11 - 5.2.12, 5.2.17 - 5.3.0
Notice: Undefined property: stdClass::$-2 in /in/2lWEd on line 9 Notice: Undefined property: stdClass::$0 in /in/2lWEd on line 9 Notice: Undefined property: stdClass::$1 in /in/2lWEd on line 9 , , 0, 1, 0 Notice: Undefined property: stdClass::$-2 in /in/2lWEd on line 14 Notice: Undefined property: stdClass::$0 in /in/2lWEd on line 14 Notice: Undefined property: stdClass::$1 in /in/2lWEd on line 14 , ,
Output for 5.2.10
Notice: Undefined property: stdClass::$-2 in /in/2lWEd on line 9 Notice: Undefined property: stdClass::$0 in /in/2lWEd on line 9 Notice: Undefined property: stdClass::$1 in /in/2lWEd on line 9 , , 1, 1, 0 Notice: Undefined property: stdClass::$-2 in /in/2lWEd on line 14 Notice: Undefined property: stdClass::$0 in /in/2lWEd on line 14 Notice: Undefined property: stdClass::$1 in /in/2lWEd on line 14 , ,
Output for 5.2.5
Notice: Undefined property: stdClass::$-2 in /in/2lWEd on line 9 Notice: Undefined property: stdClass::$0 in /in/2lWEd on line 9 Notice: Undefined property: stdClass::$1 in /in/2lWEd on line 9 , , 1, 0, 0 Notice: Undefined property: stdClass::$-2 in /in/2lWEd on line 14 Notice: Undefined property: stdClass::$0 in /in/2lWEd on line 14 Notice: Undefined property: stdClass::$1 in /in/2lWEd on line 14 , ,
Output for 5.0.0, 5.0.2, 5.1.6, 5.2.4
Notice: Undefined property: stdClass::$-2 in /in/2lWEd on line 9 Notice: Undefined property: stdClass::$0 in /in/2lWEd on line 9 Notice: Undefined property: stdClass::$1 in /in/2lWEd on line 9 , , 0, 0, 1 Notice: Undefined property: stdClass::$-2 in /in/2lWEd on line 14 Notice: Undefined property: stdClass::$0 in /in/2lWEd on line 14 Notice: Undefined property: stdClass::$1 in /in/2lWEd on line 14 , ,
Output for 5.0.3, 5.1.1 - 5.1.2, 5.2.2 - 5.2.3
Notice: Undefined property: stdClass::$-2 in /in/2lWEd on line 9 Notice: Undefined property: stdClass::$0 in /in/2lWEd on line 9 Notice: Undefined property: stdClass::$1 in /in/2lWEd on line 9 , , 1, 1, 1 Notice: Undefined property: stdClass::$-2 in /in/2lWEd on line 14 Notice: Undefined property: stdClass::$0 in /in/2lWEd on line 14 Notice: Undefined property: stdClass::$1 in /in/2lWEd on line 14 , ,
Output for 5.2.1
Notice: Undefined property: stdClass::$-2 in /in/2lWEd on line 9 Notice: Undefined property: stdClass::$0 in /in/2lWEd on line 9 Notice: Undefined property: stdClass::$1 in /in/2lWEd on line 9 , , 0, 0, 0 Notice: Undefined property: stdClass::$-2 in /in/2lWEd on line 14 Notice: Undefined property: stdClass::$0 in /in/2lWEd on line 14 Notice: Undefined property: stdClass::$1 in /in/2lWEd on line 14 , ,
Output for 5.0.1, 5.0.4, 5.2.0
Notice: Undefined property: stdClass::$-2 in /in/2lWEd on line 9 Notice: Undefined property: stdClass::$0 in /in/2lWEd on line 9 Notice: Undefined property: stdClass::$1 in /in/2lWEd on line 9 , , 1, 1, 0 Notice: Undefined property: stdClass::$-2 in /in/2lWEd on line 14 Notice: Undefined property: stdClass::$0 in /in/2lWEd on line 14 Notice: Undefined property: stdClass::$1 in /in/2lWEd on line 14 , ,
Output for 5.0.5, 5.1.3, 5.1.5
Notice: Undefined property: stdClass::$-2 in /in/2lWEd on line 9 Notice: Undefined property: stdClass::$0 in /in/2lWEd on line 9 Notice: Undefined property: stdClass::$1 in /in/2lWEd on line 9 , , 1, 0, 1 Notice: Undefined property: stdClass::$-2 in /in/2lWEd on line 14 Notice: Undefined property: stdClass::$0 in /in/2lWEd on line 14 Notice: Undefined property: stdClass::$1 in /in/2lWEd on line 14 , ,
Output for 5.1.4
Notice: Undefined property: stdClass::$-2 in /in/2lWEd on line 9 Notice: Undefined property: stdClass::$0 in /in/2lWEd on line 9 Notice: Undefined property: stdClass::$1 in /in/2lWEd on line 9 , , 0, 1, 1 Notice: Undefined property: stdClass::$-2 in /in/2lWEd on line 14 Notice: Undefined property: stdClass::$0 in /in/2lWEd on line 14 Notice: Undefined property: stdClass::$1 in /in/2lWEd on line 14 , ,
Output for 5.1.0
Notice: Undefined property: stdClass::$-2 in /in/2lWEd on line 9 Notice: Undefined property: stdClass::$0 in /in/2lWEd on line 9 Notice: Undefined property: stdClass::$1 in /in/2lWEd on line 9 , , 0, 1, 0 Notice: Undefined property: stdClass::$-2 in /in/2lWEd on line 14 Notice: Undefined property: stdClass::$0 in /in/2lWEd on line 14 Notice: Undefined property: stdClass::$1 in /in/2lWEd on line 14 , ,
Output for 4.3.3 - 4.4.9
Fatal error: Property name must be a string in /in/2lWEd on line 9
Process exited with code 255.
Output for 4.3.0 - 4.3.2
Notice: Undefined property: -2 in /in/2lWEd on line 9
Process exited with code 139.