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121 lines
3.1 KiB
PHP
121 lines
3.1 KiB
PHP
<?php
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class dbstuff {
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var $version = '';
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var $querynum = 0;
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var $link;
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function connect($dbhost, $dbuser, $dbpw, $dbname = '', $pconnect = 0, $halt = TRUE) {
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$func = empty($pconnect) ? 'mysql_connect' : 'mysql_pconnect';
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if(!$this->link = @$func($dbhost, $dbuser, $dbpw)) {
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$halt && $this->halt('Can not connect to MySQL server');
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} else {
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if($this->version() > '4.1') {
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global $charset, $dbcharset;
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$dbcharset = !$dbcharset && in_array(strtolower($charset), array('gbk', 'big5', 'utf-8')) ? str_replace('-', '', $charset) : $dbcharset;
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$serverset = $dbcharset ? 'character_set_connection='.$dbcharset.', character_set_results='.$dbcharset.', character_set_client=binary' : '';
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$serverset .= $this->version() > '5.0.1' ? ((empty($serverset) ? '' : ',').'sql_mode=\'\'') : '';
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$serverset && mysql_query("SET $serverset", $this->link);
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}
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$dbname && @mysql_select_db($dbname, $this->link);
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}
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}
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function select_db($dbname) {
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return mysql_select_db($dbname, $this->link);
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}
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function fetch_array($query, $result_type = MYSQL_ASSOC) {
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return mysql_fetch_array($query, $result_type);
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}
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function fetch_first($sql) {
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return $this->fetch_array($this->query($sql));
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}
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function result_first($sql) {
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return $this->result($this->query($sql), 0);
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}
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function query($sql, $type = '') {
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global $debug, $discuz_starttime, $sqldebug, $sqlspenttimes;
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$func = $type == 'UNBUFFERED' && @function_exists('mysql_unbuffered_query') ?
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'mysql_unbuffered_query' : 'mysql_query';
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if(!($query = $func($sql, $this->link))) {
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if(in_array($this->errno(), array(2006, 2013)) && substr($type, 0, 5) != 'RETRY') {
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$this->close();
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require './config.inc.php';
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$this->connect($dbhost, $dbuser, $dbpw, $dbname, $pconnect);
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$this->query($sql, 'RETRY'.$type);
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} elseif($type != 'SILENT' && substr($type, 5) != 'SILENT') {
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$this->halt('MySQL Query Error', $sql);
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}
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}
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$this->querynum++;
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return $query;
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}
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function affected_rows() {
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return mysql_affected_rows($this->link);
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}
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function error() {
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return (($this->link) ? mysql_error($this->link) : mysql_error());
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}
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function errno() {
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return intval(($this->link) ? mysql_errno($this->link) : mysql_errno());
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}
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function result($query, $row) {
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$query = @mysql_result($query, $row);
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return $query;
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}
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function num_rows($query) {
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$query = mysql_num_rows($query);
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return $query;
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}
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function num_fields($query) {
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return mysql_num_fields($query);
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}
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function free_result($query) {
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return mysql_free_result($query);
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}
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function insert_id() {
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return ($id = mysql_insert_id($this->link)) >= 0 ? $id : $this->result($this->query("SELECT last_insert_id()"), 0);
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}
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function fetch_row($query) {
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$query = mysql_fetch_row($query);
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return $query;
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}
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function fetch_fields($query) {
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return mysql_fetch_field($query);
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}
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function version() {
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if(empty($this->version)) {
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$this->version = mysql_get_server_info($this->link);
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}
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return $this->version;
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}
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function close() {
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return mysql_close($this->link);
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}
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function halt($message = '', $sql = '') {
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echo 'SQL Error:<br />'.$message.'<br />'.$sql;
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}
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}
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?>
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