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<?php $n = []; $t['bcc'] = true; $f['bcc'] = false; var_dump( isset($n['bcc']), isset($t['bcc']), isset($f['bcc']), empty($n['bcc']), empty($t['bcc']), empty($f['bcc']) );
Output for git.master, git.master_jit, rfc.property-hooks
bool(false) bool(true) bool(true) bool(true) bool(false) bool(true)

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