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run code in 300+ PHP versions simultaneously
<?php $hmac = hash_hmac("sha1", 'abcdefg', '#0123455'); $token = sprintf("%1.1s%20.20s", '0', $hmac); var_export([ $hmac, $token, sprintf("%1.1s%20.20s", '0', 'abc') ]);
Output for git.master, git.master_jit, rfc.property-hooks
array ( 0 => 'fecf3e2a240b92a7d7eec46e8eec829d247a4abb', 1 => '0fecf3e2a240b92a7d7ee', 2 => '0 abc', )

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