3v4l.org

run code in 300+ PHP versions simultaneously
<?php class Foo { private $id; public function __construct() { } public function __toString() { return $id . ""; } } $a = new Foo; // $a is a pointer pointing to Foo object 0 $b = $a; // $b is a pointer pointing to Foo object 0, however, $b is a copy of $a unlink($a); var_dump($b);
Output for 8.0.0 - 8.0.12, 8.0.14 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
Warning: Undefined variable $id in /in/26g3V on line 8 Warning: unlink(): open_basedir restriction in effect. File() is not within the allowed path(s): (/tmp:/in:/etc) in /in/26g3V on line 14 object(Foo)#1 (1) { ["id":"Foo":private]=> NULL }
Output for 8.0.13
Warning: Undefined variable $id in /in/26g3V on line 8 Warning: unlink(): No such file or directory in /in/26g3V on line 14 object(Foo)#1 (1) { ["id":"Foo":private]=> NULL }
Output for 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.24 - 5.5.35, 5.6.8 - 5.6.28, 7.0.0 - 7.0.20, 7.1.0 - 7.1.10, 7.4.33
Notice: Undefined variable: id in /in/26g3V on line 8 Warning: unlink(): No such file or directory in /in/26g3V on line 14 object(Foo)#1 (1) { ["id":"Foo":private]=> NULL }
Output for 7.1.25 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.31, 7.4.0 - 7.4.32
Notice: Undefined variable: id in /in/26g3V on line 8 Warning: unlink(): open_basedir restriction in effect. File() is not within the allowed path(s): (/tmp:/in:/etc) in /in/26g3V on line 14 object(Foo)#1 (1) { ["id":"Foo":private]=> NULL }
Output for 7.3.32 - 7.3.33
Warning: unlink(): No such file or directory in /in/26g3V on line 14 object(Foo)#1 (1) { ["id":"Foo":private]=> NULL }
Output for 7.1.20
Notice: Undefined variable: id in /in/26g3V on line 8 Warning: unlink(): open_basedir restriction in effect. File() is not within the allowed path(s): (/tmp:/in) in /in/26g3V on line 14 object(Foo)#1 (1) { ["id":"Foo":private]=> NULL }
Output for 5.2.0 - 5.2.17
Notice: Undefined variable: id in /in/26g3V on line 8 Warning: unlink(): No such file or directory in /in/26g3V on line 14 object(Foo)#1 (1) { ["id:private"]=> NULL }
Output for 5.0.0 - 5.0.5, 5.1.0 - 5.1.6
Warning: unlink() expects parameter 1 to be string, object given in /in/26g3V on line 14 object(Foo)#1 (1) { ["id:private"]=> NULL }
Output for 4.4.2 - 4.4.9
Parse error: syntax error, unexpected T_STRING, expecting T_OLD_FUNCTION or T_FUNCTION or T_VAR or '}' in /in/26g3V on line 4
Process exited with code 255.
Output for 4.3.0 - 4.3.1, 4.3.5 - 4.3.11, 4.4.0 - 4.4.1
Parse error: parse error, unexpected T_STRING, expecting T_OLD_FUNCTION or T_FUNCTION or T_VAR or '}' in /in/26g3V on line 4
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error, expecting `T_OLD_FUNCTION' or `T_FUNCTION' or `T_VAR' or `'}'' in /in/26g3V on line 4
Process exited with code 255.
preferences:
219.26 ms | 401 KiB | 355 Q