89 lines
1.9 KiB
PHP
89 lines
1.9 KiB
PHP
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<?php
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/*
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* @package AJAX_Chat
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* @author Sebastian Tschan
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* @copyright (c) Sebastian Tschan
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* @license GNU Affero General Public License
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* @link https://blueimp.net/ajax/
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*/
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// Class to perform SQL (MySQL) queries:
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class AJAXChatMySQLQuery {
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var $_connectionID;
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var $_sql = '';
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var $_result = 0;
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var $_errno = 0;
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var $_error = '';
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// Constructor:
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function __construct($sql, $connectionID = null) {
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$this->_sql = trim($sql);
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$this->_connectionID = $connectionID;
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if($this->_connectionID) {
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$this->_result = mysql_query($this->_sql, $this->_connectionID);
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if(!$this->_result) {
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$this->_errno = mysql_errno($this->_connectionID);
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$this->_error = mysql_error($this->_connectionID);
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}
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} else {
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$this->_result = mysql_query($this->_sql);
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if(!$this->_result) {
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$this->_errno = mysql_errno();
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$this->_error = mysql_error();
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}
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}
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}
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// Returns true if an error occured:
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function error() {
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// Returns true if the Result-ID is valid:
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return !(bool)($this->_result);
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}
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// Returns an Error-String:
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function getError() {
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if($this->error()) {
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$str = 'Query: ' .$this->_sql ."\n";
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$str .= 'Error-Report: ' .$this->_error."\n";
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$str .= 'Error-Code: '.$this->_errno;
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} else {
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$str = "No errors.";
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}
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return $str;
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}
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// Returns the content:
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function fetch() {
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if($this->error()) {
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return null;
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} else {
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return mysql_fetch_assoc($this->_result);
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}
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}
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// Returns the number of rows (SELECT or SHOW):
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function numRows() {
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if($this->error()) {
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return null;
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} else {
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return mysql_num_rows($this->_result);
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}
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}
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// Returns the number of affected rows (INSERT, UPDATE, REPLACE or DELETE):
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function affectedRows() {
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if($this->error()) {
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return null;
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} else {
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return mysql_affected_rows($this->_connectionID);
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}
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}
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// Frees the memory:
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function free() {
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@mysql_free_result($this->_result);
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}
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}
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?>
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