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<?php try { $v = match('float') { 'string' => 's', 'int' => 'i', }; var_dump($v); } catch (UnhandledMatchError $e) { var_dump($e); }
Output for git.master, git.master_jit, rfc.property-hooks
object(UnhandledMatchError)#1 (7) { ["message":protected]=> string(28) "Unhandled match case 'float'" ["string":"Error":private]=> string(0) "" ["code":protected]=> int(0) ["file":protected]=> string(9) "/in/U4Ns2" ["line":protected]=> int(4) ["trace":"Error":private]=> array(0) { } ["previous":"Error":private]=> NULL }

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