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- <?php
- function parsePageSignedRequest() {
- if (isset($_REQUEST['signed_request'])) {
- $encoded_sig = null;
- $payload = null;
- list($encoded_sig, $payload) = explode('.', $_REQUEST['signed_request'], 2);
- $sig = base64_decode(strtr($encoded_sig, '-_', '+/'));
- $data = json_decode(base64_decode(strtr($payload, '-_', '+/'), true));
- return $data;
- }
- return false;
- }
- if($signed_request = parsePageSignedRequest()) {
- if($signed_request->page->liked) {
- echo "like";
- } else {
- echo "nolike";
- }
- }
- ?>
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