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<?php
assert_redir(count($args) >= 3, 'study');
$studyid = intval($args[2]);
$study = mysql_fetch_assoc(sql(
"SELECT ".
" list_study.user AS learn_user ".
"FROM list_study ".
"WHERE list_study.id = $studyid"));
assert_error($study && $study['learn_user'] == $user['id'], "You are not at the right place here.");
token_validate("Do you really want to remove this list from your studies ? Your progress will not be lost.", "list-study-$studyid");
sql("DELETE FROM list_study WHERE id = $studyid");
header("Location: study");
die();
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