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<?php var_dump(bin2hex(pack('E', 1e13))); var_dump(unpack('E', hex2bin('2800322f96213747')));
Output for git.master, git.master_jit, rfc.property-hooks
string(16) "42a2309ce5400000" array(1) { [1]=> float(5.138075498868372E-116) }

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