db = @new mysqli($server,$user,$pass,$db); if((mysqli_connect_errno()) && (! $install)) system_unavailable(); } public function getdb() { return $this->db; } public function q($sql) { if(! $this->db ) return false; $result = @$this->db->query($sql); if($this->debug) { $mesg = ''; if($this->db->errno) logger('dba: ' . $this->db->error); if($result === false) $mesg = 'false'; elseif($result === true) $mesg = 'true'; else $mesg = $result->num_rows.' results' . EOL; $str = 'SQL = ' . printable($sql) . EOL . 'SQL returned ' . $mesg . EOL; logger('dba: ' . $str ); } else { /* * If dbfail.out exists, we will write any failed calls directly to it, * regardless of any logging that may or may nor be in effect. * These usually indicate SQL syntax errors that need to be resolved. */ if($result === false) { logger('dba: ' . printable($sql) . ' returned false.'); if(file_exists('dbfail.out')) file_put_contents('dbfail.out', printable($sql) . ' returned false' . "\n", FILE_APPEND); } } if(($result === true) || ($result === false)) return $result; $r = array(); if($result->num_rows) { while($x = $result->fetch_array(MYSQL_ASSOC)) $r[] = $x; $result->free_result(); } if($this->debug) logger('dba: ' . printable(print_r($r, true)), LOGGER_DATA); return($r); } public function dbg($dbg) { $this->debug = $dbg; } public function escape($str) { return @$this->db->real_escape_string($str); } function __destruct() { @$this->db->close(); } }} if(! function_exists('printable')) { function printable($s) { $s = preg_replace("~([\x01-\x08\x0E-\x0F\x10-\x1F\x7F-\xFF])~",".", $s); $s = str_replace("\x00",'.',$s); if(x($_SERVER,'SERVER_NAME')) $s = escape_tags($s); return $s; }} // Procedural functions if(! function_exists('dbg')) { function dbg($state) { global $db; $db->dbg($state); }} if(! function_exists('dbesc')) { function dbesc($str) { global $db; if($db) return($db->escape($str)); else return(str_replace("'","\\'",$str)); }} // Function: q($sql,$args); // Description: execute SQL query with printf style args. // Example: $r = q("SELECT * FROM `%s` WHERE `uid` = %d", // 'user', 1); if(! function_exists('q')) { function q($sql) { global $db; $args = func_get_args(); unset($args[0]); $ret = $db->q(vsprintf($sql,$args)); return $ret; }} // raw db query, no arguments if(! function_exists('dbq')) { function dbq($sql) { global $db; $ret = $db->q($sql); return $ret; }} // Caller is responsible for ensuring that any integer arguments to // dbesc_array are actually integers and not malformed strings containing // SQL injection vectors. All integer array elements should be specifically // cast to int to avoid trouble. if(! function_exists('dbesc_array_cb')) { function dbesc_array_cb(&$item, $key) { if(is_string($item)) $item = dbesc($item); }} if(! function_exists('dbesc_array')) { function dbesc_array(&$arr) { if(is_array($arr) && count($arr)) { array_walk($arr,'dbesc_array_cb'); } }}