<?php
$string = '{"access_token":"ab5f49438xfbc2df2a6a927a02b5c2e2442am982c71ee8re4aee1b2c64783ddc7cab4050ed05d6aa",
"token_type":"Bearer",
"expires_in":300,
"refresh_token":"ab4156db100f148b6cgd7e17097e1f1c25dcf32a53ec64w287c0bcc5b8f8aa2d0799a413567b8d73",
"scope":"user_account send_currency currency_exchange"
}';
echo $json -> token_type;
PD9waHAKCiRzdHJpbmcgPSAneyJhY2Nlc3NfdG9rZW4iOiJhYjVmNDk0Mzh4ZmJjMmRmMmE2YTkyN2EwMmI1YzJlMjQ0MmFtOTgyYzcxZWU4cmU0YWVlMWIyYzY0NzgzZGRjN2NhYjQwNTBlZDA1ZDZhYSIsCiJ0b2tlbl90eXBlIjoiQmVhcmVyIiwKImV4cGlyZXNfaW4iOjMwMCwKInJlZnJlc2hfdG9rZW4iOiJhYjQxNTZkYjEwMGYxNDhiNmNnZDdlMTcwOTdlMWYxYzI1ZGNmMzJhNTNlYzY0dzI4N2MwYmNjNWI4ZjhhYTJkMDc5OWE0MTM1NjdiOGQ3MyIsCiJzY29wZSI6InVzZXJfYWNjb3VudCBzZW5kX2N1cnJlbmN5IGN1cnJlbmN5X2V4Y2hhbmdlIgp9JzsKJGpzb24gPSBqc29uX2RlY29kZSgkc3RyaW5nKTsKZWNobyAkanNvbiAtPiB0b2tlbl90eXBlOw==