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<?php final class FromVariable { public static function run($filter, bool $variable = true, bool $variable2 = false) { switch ($filter) { case $variable: $result = 'a'; break; case $variable2: $result = 'b'; break; default: throw new \InvalidArgumentException(); } var_dump($result); } } FromVariable::run(false, true, false);
Output for 8.1.34, 8.2.0 - 8.2.34, 8.3.0 - 8.3.35, 8.4.1 - 8.4.26, 8.5.0 - 8.5.11
string(1) "b"

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