| | 423 | // Make sure the user can view the topic |
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| | 424 | $query = array( |
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| | 425 | 'SELECT' => '1', |
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| | 426 | 'FROM' => 'topics AS t', |
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| | 427 | 'JOINS' => array( |
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| | 428 | array( |
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| | 429 | 'LEFT JOIN' => 'forum_perms AS fp', |
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| | 430 | 'ON' => '(fp.forum_id=t.forum_id AND fp.group_id='.$pun_user['g_id'].')' |
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| | 431 | ) |
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| | 432 | ), |
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| | 433 | 'WHERE' => '(fp.read_forum IS NULL OR fp.read_forum=1) AND t.id='.$topic_id.' AND t.moved_to IS NULL' |
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| | 434 | ); |
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| | 435 | ($hook = get_hook('mi_qr_subscribe_topic_exists')) ? eval($hook) : null; |
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| | 436 | $result = $db->query_build($query) or error(__FILE__, __LINE__); |
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| | 437 | if (!$db->num_rows($result)) |
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| | 438 | message($lang_common['Bad request']); |
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| | 439 | |
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