1. Go to this page and download the library: Download codercat/jwk-to-pem library. Choose the download type require.
2. Extract the ZIP file and open the index.php.
3. Add this code to the index.php.
<?php
require_once('vendor/autoload.php');
/* Start to develop here. Best regards https://php-download.com/ */
codercat / jwk-to-pem example snippets
php
use CoderCat\JWKToPEM\JWKConverter;
$jwkConverter = new JWKConverter();
// !!!! RSA key type is currently only supported.
$JWK = [
"kty" => "RSA",
"kid" => "zhA-H1DWOSgWQAIW7mewCYeaZLGpkgW_hXfq8jmV99I",
"use" => "sig",
"alg" => "RS256",
"e" => "AQAB",
"n" => "vdv73smpkrTIBSM8ka-pVXbNi7zYalm0R6WFBH4X8PQj8C7VfdckGsA6bTBseOVCTbu187_63yU2U7vqYiqwSLmkrBVAJjYMJY_XXfncxwqDWR_aa7eIJSKh22H_6yz6kFyF1h_ZSk68CPAEQpvd9VFAr4VLEwD32Ag6MwymSOxmFWJyddEtttdGcXLSrHcya3RWyG5KAW3Ti-HgNC-xo_C5LgEsUgjeUq-rc8NBXZrNCY-LJ_R-qtB_-5NkwlMJ_fUMBDcmZuciNOH71q7xyn0FGmGjrJXnyVJwyDiTrKRO36piMuiaJE2nIRJaLvhDN5M1K2VhSKPuaqUPyxLzBw"
];
php
$PEM = $jwkConverter->toPEM($JWK);
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