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IonBazan / flag.php
Created October 22, 2021 09:27
Country code to country flag Emoji (PL -> 🇵🇱)
<?php
/**
* Converts country code (ISO 3166-1) to its emoji flag representation (PL -> 🇵🇱).
*
* This solution supports both lowercase and uppercase codes using modulo 32 .
* Since it doesn't perform any validation, you should make sure the code is a valid country code first.
*
* 0x1F1E5 is a code of character right before "REGIONAL INDICATOR SYMBOL LETTER A" (🇦).
*