3v4l.org

run code in 300+ PHP versions simultaneously
<?php $access_token = 'EAANN7w5edCMBAD57ZBQncnUCzI5ZBmDz0cU2uSTN5bKn4xwBp2nT5CCKnz7gtu3PnNSUXZApceMd60SX1ULsd87XeWh7YDgFj7m77FKnMQkPz28OTmHzwdTXaURg2OIJ4c1ZCUfTXsDc9E52GZANqCvKXKzqRZAKkCPwfDE5UXJwZDZD'; $app_secret = '4ee65649196bbe545409e15eb1e6b264'; $appsecret_proof= hash_hmac('sha256', $access_token, $app_secret); echo $appsecret_proof;

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