3v4l.org

run code in 300+ PHP versions simultaneously
<?php $defaults = [ 'it' => 'it-IT', 'en' => 'en-US', 'es' => 'es-ES', // ... ]; $requests = [ 'it', 'it-IT', 'en-GB', 'en', 'es-AR', 'es-MX', 'es', ]; foreach ($requests as $input) { $output = $defaults[$input] ?? $input; echo "$input -> $output\n"; }
Output for git.master, git.master_jit, rfc.property-hooks
it -> it-IT it-IT -> it-IT en-GB -> en-GB en -> en-US es-AR -> es-AR es-MX -> es-MX es -> es-ES

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