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<?php class MyBitmask { const POS_1 = 1; // const POS_2 = 2; // reserved/undefined // const POS_3 = 3; // reserved/undefined const POS_4 = 4; private $b = 0x0000; function setChecked($pos) { if (in_array($pos, (new ReflectionClass($this))->getConstants())) { $this->set($pos); } return $this; } function set($pos) { $this->b |= 1 << ($pos - 1); return $this; } } $b = new MyBitmask(); var_dump($b->setChecked(2)); var_dump($b->set(2));
Output for 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 - 7.1.25, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
object(MyBitmask)#1 (1) { ["b":"MyBitmask":private]=> int(0) } object(MyBitmask)#1 (1) { ["b":"MyBitmask":private]=> int(2) }
Output for 5.1.0 - 5.1.6, 5.2.0 - 5.2.17, 5.3.0 - 5.3.29
Parse error: syntax error, unexpected T_OBJECT_OPERATOR in /in/j4vuJ on line 11
Process exited with code 255.
Output for 5.0.0 - 5.0.5
Parse error: parse error, unexpected T_OBJECT_OPERATOR in /in/j4vuJ on line 11
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/j4vuJ on line 3
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_CONST, expecting T_OLD_FUNCTION or T_FUNCTION or T_VAR or '}' in /in/j4vuJ on line 3
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/j4vuJ on line 3
Process exited with code 255.
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