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<?php class ModeSwitcher { const MODE_ALL_MEMBERS = 0b1; const MODE_SINGLE_MEMBER = 0b01; const MODE_ALL_TYPES = 0b001; const MODE_SINGLE_TYPE = 0b0001; private $mode; public function __construct() { $this->mode = static::MODE_ALL_MEMBERS | static::MODE_SINGLE_MEMBER; } function isMode($mode) { return ($this->mode & $mode) > 0; } } $a = new ModeSwitcher(); var_dump($a->isMode(ModeSwitcher::MODE_ALL_MEMBERS));
Output for 5.4.0 - 5.4.45, 5.5.24 - 5.5.35, 5.6.7 - 5.6.28, 7.0.0 - 7.0.20, 7.1.0 - 7.1.33, 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 - 8.1.27, 8.2.0 - 8.2.17, 8.3.0 - 8.3.4
bool(true)
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_STRING, expecting ',' or ';' in /in/3Pk72 on line 5
Process exited with code 255.
Output for 5.0.0 - 5.0.5
Parse error: parse error, unexpected T_STRING, expecting ',' or ';' in /in/3Pk72 on line 5
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/3Pk72 on line 5
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/3Pk72 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/3Pk72 on line 5
Process exited with code 255.

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