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<?php $text = 'Hello world'; $result = str_split($text); $result = array_map('ord', $result); $result = array_map('dechex', $result); var_dump("0x" . implode('', $result));
Output for git.master, git.master_jit, rfc.property-hooks
string(24) "0x48656c6c6f20776f726c64"

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