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<?php $name = "My Spécial subject ❤ "; // your subject $addr = addcslashes(mb_encode_mimeheader($name, "UTF-8", "Q"), '"'); echo $addr; ?>
Output for git.master, git.master_jit, rfc.property-hooks
My =?UTF-8?Q?Sp=C3=A9cial=20subject=20=E2=9D=A4=20?=

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