3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php class Field { const READ = 1; const WRITE = 2; private $name; private $readWriteMask; public function __construct($name, $readWriteMask = null) { $this->name = (string) $name; $this->readWriteMask = $readWriteMask ?: self::READ; } public function getName() { return $this->name; } public function isReadable() { return (bool) $this->readWriteMask & self::READ; } public function isWritable() { return (bool) $this->readWriteMask & self::WRITE; } } $a = new Field('a'); var_dump($a->isReadable()); var_dump($a->isWritable()); $b = new Field('b', Field::READ | Field::WRITE); var_dump($b->isReadable()); var_dump($b->isWritable());
based on Btgu6
Output for 5.3.0 - 5.6.28, hhvm-3.12.0, 7.0.0 - 7.1.0
int(1) int(0) int(1) int(0)
Output for hhvm-3.10.0

Process exited with code 153.
Output for 5.1.0 - 5.2.17
Parse error: syntax error, unexpected ':' in /in/J4gUv on line 13
Process exited with code 255.
Output for 5.0.0 - 5.0.5
Parse error: parse error, unexpected ':' in /in/J4gUv on line 13
Process exited with code 255.
Output for 4.4.2 - 4.4.9
Parse error: syntax error, unexpected T_CONST, expecting T_OLD_FUNCTION or T_FUNCTION or T_VAR or '}' in /in/J4gUv on line 5
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_CONST, expecting T_OLD_FUNCTION or T_FUNCTION or T_VAR or '}' in /in/J4gUv on line 5
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/J4gUv on line 5
Process exited with code 255.