quote($val), 1, -1); } /** Escape or unescape string to use inside form [] * @param string * @param bool * @return string */ function bracket_escape($idf, $back = false) { // escape brackets inside name="x[]" static $trans = array(':' => ':1', ']' => ':2', '[' => ':3'); return strtr($idf, ($back ? array_flip($trans) : $trans)); } /** Escape for HTML * @param string * @return string */ function h($string) { return htmlspecialchars($string, ENT_QUOTES); } /** Escape for TD * @param string * @return string */ function nbsp($string) { return (strlen(trim($string)) ? h($string) : " "); } /** Generate HTML checkbox * @param string * @param string * @param bool * @param string * @param string * @return string */ function checkbox($name, $value, $checked, $label = "", $onclick = "") { static $id = 0; $id++; $return = ""; return (strlen($label) ? "" : $return); } /** Generate list of HTML options * @param array array of strings or arrays (creates optgroup) * @param mixed * @param bool always use array keys for value="", otherwise only string keys are used * @return string */ function optionlist($options, $selected = null, $use_keys = false) { $return = ""; foreach ($options as $k => $v) { if (is_array($v)) { $return .= ''; } } return $return; } /** Generate HTML radio list * @param string * @param array * @param string * @param string true for no onchange, false for radio * @return string */ function html_select($name, $options, $value = "", $onchange = true) { if ($onchange) { return ""; } $return = ""; foreach ($options as $key => $val) { $return .= ""; } return $return; } /** Get list of values from database * @param string * @param mixed * @return array */ function get_vals($query, $column = 0) { global $connection; $return = array(); $result = $connection->query($query); if ($result) { while ($row = $result->fetch_row()) { $return[] = $row[$column]; } } return $return; } /** Find unique identifier of a row * @param array * @param array result of indexes() * @return string query string */ function unique_idf($row, $indexes) { foreach ($indexes as $index) { if (ereg("PRIMARY|UNIQUE", $index["type"])) { $return = array(); foreach ($index["columns"] as $key) { if (!isset($row[$key])) { // NULL is ambiguous continue 2; } $return[] = urlencode("where[" . bracket_escape($key) . "]") . "=" . urlencode($row[$key]); } return $return; } } $return = array(); foreach ($row as $key => $val) { if (!preg_match('~^(COUNT\\((\\*|(DISTINCT )?`(?:[^`]|``)+`)\\)|(AVG|GROUP_CONCAT|MAX|MIN|SUM)\\(`(?:[^`]|``)+`\\))$~', $key)) { //! columns looking like functions $return[] = (isset($val) ? urlencode("where[" . bracket_escape($key) . "]") . "=" . urlencode($val) : "null%5B%5D=" . urlencode($key)); } } return $return; } /** Create SQL condition from parsed query string * @param array parsed query string * @return string */ function where($where) { $return = array(); foreach ((array) $where["where"] as $key => $val) { $key = bracket_escape($key, "back"); $return[] = (preg_match('~^[A-Z0-9_]+\\(`(?:[^`]|``)+`\\)$~', $key) ? $key : idf_escape($key)) . " LIKE " . exact_value(addcslashes($val, "%_")); // LIKE because of floats //! enum and set, columns looking like functions } foreach ((array) $where["null"] as $key) { $key = bracket_escape($key, "back"); $return[] = (preg_match('~^[A-Z0-9_]+\\(`(?:[^`]|``)+`\\)$~', $key) ? $key : idf_escape($key)) . " IS NULL"; } return implode(" AND ", $return); } /** Create SQL condition from query string * @param string * @return string */ function where_check($val) { parse_str($val, $check); return where($check); } /** Create query string where condition from value * @param int condition order * @param string column identifier * @param string * @return string */ function where_link($i, $column, $value) { return "&where%5B$i%5D%5Bcol%5D=" . urlencode($column) . "&where%5B$i%5D%5Bop%5D=%3D&where%5B$i%5D%5Bval%5D=" . urlencode($value); } /** Set cookie valid for 1 month * @param string * @param string * @return bool */ function cookie($name, $value) { $params = array($name, $value, time() + 2592000, preg_replace('~\\?.*~', '', $_SERVER["REQUEST_URI"]), "", (bool) $_SERVER["HTTPS"]); // 2592000 = 30 * 24 * 60 * 60 if (version_compare(PHP_VERSION, '5.2.0') >= 0) { $params[] = true; // HttpOnly } return call_user_func_array('setcookie', $params); } /** Restart stopped session * @return null */ function restart_session() { if (!ini_get("session.use_cookies")) { session_start(); } } /** Send Location header and exit * @param string * @param string * @return null */ function redirect($location, $message = null) { if (isset($message)) { restart_session(); $_SESSION["messages"][] = $message; } header("Location: " . (strlen($location) ? $location : ".")); exit; } /** Execute query and redirect if successful * @param string * @param string * @param string * @param bool * @param bool * @param bool * @return bool */ function query_redirect($query, $location, $message, $redirect = true, $execute = true, $failed = false) { global $connection, $error, $adminer; if ($execute) { $failed = !$connection->query($query); } $sql = ""; if ($query) { $sql = $adminer->messageQuery($query); } if ($failed) { $error = error() . $sql; return false; } if ($redirect) { redirect($location, $message . $sql); } return true; } /** Execute and remember query * @param string null to return remembered queries * @return Min_Result */ function queries($query = null) { global $connection; static $queries = array(); if (!isset($query)) { // return executed queries without parameter return implode(";\n", $queries); } $queries[] = $query; return $connection->query($query); } /** Redirect by remembered queries * @param string * @param string * @param bool */ function queries_redirect($location, $message, $redirect) { return query_redirect(queries(), $location, $message, $redirect, false, !$redirect); } /** Remove parameter from query string * @param string * @return string */ function remove_from_uri($param = "") { return substr(preg_replace("~(?<=[?&])($param" . (SID ? "" : "|" . session_name()) . ")=[^&]*&~", '', "$_SERVER[REQUEST_URI]&"), 0, -1); } /** Generate page number for pagination * @param int * @return string */ function pagination($page) { return " " . ($page == $_GET["page"] ? $page + 1 : '' . ($page + 1) . ""); } /** Get file contents from $_FILES * @param string * @param bool * @return mixed int for error, string otherwise */ function get_file($key, $decompress = false) { $file = $_FILES[$key]; if (!$file || $file["error"]) { return $file["error"]; } return file_get_contents($decompress && ereg('\\.gz$', $file["name"]) ? "compress.zlib://$file[tmp_name]" : ($decompress && ereg('\\.bz2$', $file["name"]) ? "compress.bzip2://$file[tmp_name]" : $file["tmp_name"] )); //! may not be reachable because of open_basedir } /** Determine upload error * @param int * @return string */ function upload_error($error) { $max_size = ($error == UPLOAD_ERR_INI_SIZE ? ini_get("upload_max_filesize") : null); // post_max_size is checked in index.php return ($error ? lang('Unable to upload a file.') . ($max_size ? " " . lang('Maximum allowed file size is %sB.', $max_size) : "") : lang('File does not exist.')); } /** Generate class for odd rows * @param string return this for odd rows, empty to reset counter * @return string */ function odd($return = ' class="odd"') { static $i = 0; if (!$return) { // reset counter $i = -1; } return ($i++ % 2 ? $return : ''); } /** Check whether the string is in UTF-8 * @param string * @return bool */ function is_utf8($val) { // don't print control chars except \t\r\n return (preg_match('~~u', $val) && !preg_match('~[\\0-\\x8\\xB\\xC\\xE-\\x1F]~', $val)); } /** Shorten UTF-8 string * @param string * @param int * @param string * @return string escaped string with appended ... */ function shorten_utf8($string, $length = 80, $suffix = "") { if (!preg_match("(^([\t\r\n -\x{FFFF}]{0,$length})($)?)u", $string, $match)) { // ~s causes trash in $match[2] under some PHP versions, (.|\n) is slow preg_match("(^([\t\r\n -~]{0,$length})($)?)", $string, $match); } return h($match[1]) . $suffix . (isset($match[2]) ? "" : "..."); } /** Generate friendly URL * @param string * @return string */ function friendly_url($val) { // used for blobs and export return preg_replace('~[^a-z0-9_]~i', '-', $val); } /** Print hidden fields * @param array * @param array * @return null */ function hidden_fields($process, $ignore = array()) { while (list($key, $val) = each($process)) { if (is_array($val)) { foreach ($val as $k => $v) { $process[$key . "[$k]"] = $v; } } elseif (!in_array($key, $ignore)) { echo ''; } } } /** Find out foreign keys for each column * @param string * @return array array($col => array()) */ function column_foreign_keys($table) { $return = array(); foreach (foreign_keys($table) as $foreign_key) { foreach ($foreign_key["source"] as $val) { $return[$val][] = $foreign_key; } } return $return; } /** Print edit input field * @param array one field from fields() * @param mixed * @param string * @return null */ function input($field, $value, $function) { global $types, $adminer; $name = h(bracket_escape($field["field"])); echo "