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run code in 300+ PHP versions simultaneously
<?php $bar = <<<EOL { "error": "%s", "token": "%s", "expires_at": %d } EOL; printf($bar, "", "9jd2eg3b2e8bhu3ddnudh3h9dbh", "123456789");
Output for git.master, git.master_jit, rfc.property-hooks
{ "error": "", "token": "9jd2eg3b2e8bhu3ddnudh3h9dbh", "expires_at": 123456789 }

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