https://coderwall.com/p/8wrxfw/goodbye-php-sessions-hello-json-web-tokens
https://jwt.io/introduction/ https://auth0.com/blog/cookies-vs-tokens-definitive-guide/ http://phpclicks.com/php-token-based-authentication/ https://www.sitepoint.com/php-authorization-jwt-json-web-tokens/
#jwt
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