A library to help converting from the outdated post-codes to icu-country-codes, vice versa.
$provider = new \Kir\PostCodes\PostCodeProvider();
echo $provider->getPostCodeFromIso3166('DE');
D
$provider = new \Kir\PostCodes\PostCodeProvider();
echo $provider->getIso3166CodeFromPostCode('D');
DE
$provider = new \Kir\PostCodes\PostCodeProvider();
echo implode(', ', $provider->getAllIcuCodes());
AD, AE, AF, AG, AI, AL, AM, AN, AO, AQ, AR, AS, AT, ...
$provider = new \Kir\PostCodes\PostCodeProvider();
echo implode(', ', $provider->getAllPostCodes());
AND, UAE, AFG, ANT, AIA, AL, ARM, NA, ANG, ...
$provider = new \Kir\PostCodes\PostCodeProvider();
print_r($provider->getIcuCodesToPostcodes());
['AD' => 'AND', 'AE' => 'UAE', 'AF' => 'AFG', 'AG' => 'ANT', ...]
$provider = new \Kir\PostCodes\PostCodeProvider();
print_r($provider->getPostcodesToIcuCodes());
['AND' => 'AD', 'UAE' => 'AE', 'AFG' => 'AF', 'ANT' => 'AG', ...]