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run code in 150+ php & hhvm versions
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<?php class Foo { public function __construct() { $this->id = rand(0,10); } } class Bar { public function getFoo() { static $instance; if (!$instance) { $instance = new Foo(); } return $instance; } } $d = new Bar(); var_dump($d->getFoo()); var_dump($d->getFoo());
Output for 5.0.1, 5.3.14, 5.3.16, 5.3.19 - 5.3.20, 5.4.6, 5.4.19, 5.4.37, 5.5.4, 5.5.29, 5.6.0, 5.6.2, 5.6.19, 7.0.5, 7.1.0
object(Foo)#2 (1) { ["id"]=> int(0) } object(Foo)#2 (1) { ["id"]=> int(0) }
Output for 5.0.0, 5.0.3, 5.0.5, 5.1.6, 5.2.12, 5.2.14, 5.3.1, 5.3.3, 5.3.6, 5.3.10, 5.3.13, 5.3.28, 5.4.1, 5.4.25, 5.4.27, 5.4.39, 5.5.7, 5.5.10 - 5.5.11, 5.5.18, 5.5.25 - 5.5.26, 5.5.37, 5.6.1, 5.6.20, hhvm-3.12.0, 7.0.3, 7.0.14
object(Foo)#2 (1) { ["id"]=> int(3) } object(Foo)#2 (1) { ["id"]=> int(3) }
Output for 5.2.0, 5.3.5, 5.3.8, 5.3.17, 5.3.27, 5.4.5, 5.4.10, 5.4.44, 5.5.9, 5.5.12, 5.5.19, 5.5.28, 5.5.31, 5.6.9, 5.6.11, 5.6.28, 7.0.0, 7.0.10
object(Foo)#2 (1) { ["id"]=> int(9) } object(Foo)#2 (1) { ["id"]=> int(9) }
Output for 5.2.6, 5.2.9, 5.3.2, 5.4.4, 5.4.7, 5.4.12, 5.4.26, 5.4.32, 5.4.42, 5.5.2, 5.5.24, 5.5.38, 5.6.15, 5.6.18, 5.6.23, 7.0.8 - 7.0.9
object(Foo)#2 (1) { ["id"]=> int(8) } object(Foo)#2 (1) { ["id"]=> int(8) }
Output for 5.1.5, 5.2.2, 5.2.11, 5.3.29, 5.4.8, 5.4.15, 5.4.40, 5.5.13, 5.6.8, 7.0.1, 7.0.7
object(Foo)#2 (1) { ["id"]=> int(2) } object(Foo)#2 (1) { ["id"]=> int(2) }
Output for 5.1.3, 5.2.5, 5.2.10, 5.3.7, 5.3.15, 5.3.18, 5.3.21, 5.3.23, 5.4.18, 5.4.23 - 5.4.24, 5.4.36, 5.4.45, 5.5.15, 5.6.5, 5.6.25, 7.0.6
object(Foo)#2 (1) { ["id"]=> int(4) } object(Foo)#2 (1) { ["id"]=> int(4) }
Output for 5.1.0, 5.2.17, 5.3.9, 5.3.22, 5.3.25 - 5.3.26, 5.4.17, 5.4.29, 5.4.35, 5.5.1, 5.5.5, 5.5.14, 5.5.20 - 5.5.22, 5.5.34, 5.5.36, hhvm-3.10.0, 7.0.4
object(Foo)#2 (1) { ["id"]=> int(5) } object(Foo)#2 (1) { ["id"]=> int(5) }
Output for 5.4.16, 5.4.20, 5.4.28, 5.5.3, 5.5.6, 5.5.8, 5.5.16, 5.5.23, 5.6.6 - 5.6.7, 5.6.22, 7.0.2
object(Foo)#2 (1) { ["id"]=> int(10) } object(Foo)#2 (1) { ["id"]=> int(10) }
Output for 5.1.4, 5.2.4, 5.2.15, 5.3.0, 5.3.4, 5.3.12, 5.3.24, 5.4.9, 5.5.30, 5.5.35, 5.6.3, 5.6.12 - 5.6.14, 5.6.24
object(Foo)#2 (1) { ["id"]=> int(1) } object(Foo)#2 (1) { ["id"]=> int(1) }
Output for 5.1.1, 5.2.3, 5.3.11, 5.4.0, 5.4.2 - 5.4.3, 5.4.14, 5.4.21, 5.4.34, 5.4.38, 5.4.41, 5.4.43, 5.5.27, 5.5.32 - 5.5.33, 5.6.10, 5.6.16 - 5.6.17, 5.6.21
object(Foo)#2 (1) { ["id"]=> int(7) } object(Foo)#2 (1) { ["id"]=> int(7) }
Output for 5.0.2, 5.0.4, 5.1.2, 5.2.1, 5.2.7 - 5.2.8, 5.2.13, 5.2.16, 5.4.11, 5.4.13, 5.4.22, 5.4.30 - 5.4.31, 5.5.0, 5.6.4
object(Foo)#2 (1) { ["id"]=> int(6) } object(Foo)#2 (1) { ["id"]=> int(6) }
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/pncLq on line 4
Process exited with code 255.
Output for 4.3.0 - 4.3.1, 4.3.5 - 4.4.1
Parse error: parse error, unexpected T_STRING, expecting T_OLD_FUNCTION or T_FUNCTION or T_VAR or '}' in /in/pncLq 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/pncLq on line 4
Process exited with code 255.