note 129250 added to language.enumerations.traits

From: Date: Thu, 15 Feb 2024 09:02:16 +0000
Subject: note 129250 added to language.enumerations.traits
Groups: php.notes 
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One good example of a trait, would be to give a lot of enums a method to retrieve their cases, values or both. <?php trait EnumToArray { public static function names(): array { return array_column(self::cases(), 'name'); } public static function values(): array { return array_column(self::cases(), 'value'); } public static function asArray(): array { if (empty(self::values())) { return self::names(); } if (empty(self::names())) { return self::values(); } return array_column(self::cases(), 'value', 'name'); } } ?> Some example outputs: <?php var_export(IpVersion::names()); // ['Ipv4', 'IPv6'] var_export(IpVersion::values()); // [] var_export(IpVersion::asArray()); // ['IPv4', 'IPv6'] var_export(Language::names()); // ['en', 'es'] var_export(Language::values()); // ['English', 'Spanish'] var_export(Language::asArray()); // ['en' => 'English', 'es' => 'Spanish'] ---- Server IP: 45.112.84.4 Probable Submitter: 80.90.13.131 (proxied: 92.68.89.245) ---- Manual Page -- https://php.net/manual/en/language.enumerations.traits.php Edit -- https://main.php.net/note/edit/129250 Del: integrated -- https://main.php.net/note/delete/129250/integrated Del: useless -- https://main.php.net/note/delete/129250/useless Del: bad code -- https://main.php.net/note/delete/129250/bad+code Del: spam -- https://main.php.net/note/delete/129250/spam Del: non-english -- https://main.php.net/note/delete/129250/non-english Del: in docs -- https://main.php.net/note/delete/129250/in+docs Del: other reasons-- https://main.php.net/note/delete/129250 Reject -- https://main.php.net/note/reject/129250 Search -- https://main.php.net/manage/user-notes.php

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