/wp-content/plugins/firestats/lib/ezsql/mysql/ez_sql_mysql.php
PHP | 330 lines | 212 code | 54 blank | 64 comment | 28 complexity | a8c915205a655b282070e0b817b2a445 MD5 | raw file
Possible License(s): CC-BY-SA-3.0, GPL-2.0
- <?php
- require_once(FS_ABS_PATH.'/php/utils.php');
- /**********************************************************************
- * Author: Justin Vincent (justin@visunet.ie)
- * Web...: http://php.justinvincent.com
- * Name..: ezSQL_mysql
- * Desc..: mySQL component (part of ezSQL databse abstraction library)
- *
- */
- /**********************************************************************
- * ezSQL Database specific class - mySQL
- */
- if ( ! function_exists ('mysql_connect') ) die('<b>Fatal Error:</b> ezSQL_mysql requires mySQL Lib to be compiled and or linked in to the PHP engine');
- if ( ! class_exists ('fs_ezSQLcore') ) die('<b>Fatal Error:</b> ezSQL_mysql requires ezSQLcore (ez_sql_core.php) to be included/loaded before it can be used');
- class fs_ezSQL_mysql extends fs_ezSQLcore
- {
- var $ezsql_mysql_str;
- var $dbuser = false;
- var $dbpassword = false;
- var $dbname = false;
- var $dbhost = false;
- /**********************************************************************
- * Constructor - allow the user to perform a qucik connect at the
- * same time as initialising the ezSQL_mysql class
- */
- function fs_ezSQL_mysql($dbuser='', $dbpassword='', $dbname='', $dbhost='localhost')
- {
- $this->dbuser = $dbuser;
- $this->dbpassword = $dbpassword;
- $this->dbname = $dbname;
- $this->dbhost = $dbhost;
- $this->ezsql_mysql_str = array
- (
- 1 => fs_r('User name and password are required to connect to database'),
- 2 => fs_r('Error establishing mySQL database connection'),
- 3 => fs_r('Database name is required to connect to database'),
- 4 => fs_r('mySQL database connection is not active'),
- 5 => fs_r('Unexpected error while querying database')
- );
- }
- function ensureConnected()
- {
- if (!$this->is_connected())
- {
- $this->connect();
- }
- }
- function connect()
- {
- $ret = $this->connectImpl($this->dbuser, $this->dbpassword, $this->dbhost);
- if ($ret)
- {
- $this->select($this->dbname);
- }
-
- return $ret;
- }
- function is_connected()
- {
- return isset($this->dbh) && $this->dbh;
- }
- function connectImpl($dbuser='', $dbpassword='', $dbhost='localhost', $add_debug_to_error = true)
- {
- $ezsql_mysql_str = $this->ezsql_mysql_str;
- $return_val = false;
- // Must have a user and a password
- if ( ! $dbuser )
- {
- $error = $ezsql_mysql_str[1];
- $error .= ($add_debug_to_error ? (' in '.__FILE__.' on line '.__LINE__) : '');
- $this->register_error($error) ;
- $this->show_errors ? trigger_error($ezsql_mysql_str[1],E_USER_WARNING) : null;
- }
- else
- {
- // Try to establish the server database handle
- ob_start(); // capture sql error
- $this->dbh = mysql_connect($dbhost,$dbuser,$dbpassword,true);
- $output = ob_get_clean();
- if ($this->dbh === false)
- {
- $mysql_error = mysql_error();
- $error = $ezsql_mysql_str[2].":".($mysql_error != '' ? $mysql_error : $output);
- $error .= ($add_debug_to_error ? (' in '.__FILE__.' on line '.__LINE__) : '');
- $this->register_error($error);
- $this->show_errors ? trigger_error($error,E_USER_WARNING) : null;
- }
- else
- {
- $this->dbuser = $dbuser;
- $this->dbpassword = $dbpassword;
- $this->dbhost = $dbhost;
- $return_val = true;
- }
- }
- return $return_val;
- }
- function disconnect()
- {
- if ($this->is_connected())
- {
- ob_start(); // capture sql error
- $res = mysql_close($this->dbh);
- unset($this->dbh);
- $output = ob_get_clean();
- if (!$res)
- {
- $this->register_error(sprintf(fs_r("Can't disconnect: %s"),$output));
- $this->show_errors ? trigger_error($error,E_USER_WARNING) : null;
- return false;
- }
- else
- {
- return true;
- }
- }
- else
- {
- $this->register_error(sprintf(fs_r("Can't disconnect: %s"),fs_r('Not connected')));
- $this->show_errors ? trigger_error($error,E_USER_WARNING) : null;
- return false;
- }
- }
- /**********************************************************************
- * Try to select a mySQL database
- */
- function select($dbname='')
- {
- $ezsql_mysql_str = $this->ezsql_mysql_str;
- $return_val = false;
- // Must have a database name
- if ( ! $dbname )
- {
- $this->register_error($ezsql_mysql_str[3].' in '.__FILE__.' on line '.__LINE__);
- $this->show_errors ? trigger_error($ezsql_mysql_str[3],E_USER_WARNING) : null;
- }
- // Must have an active database connection
- else if ( ! $this->dbh )
- {
- $this->register_error($ezsql_mysql_str[4].' in '.__FILE__.' on line '.__LINE__);
- $this->show_errors ? trigger_error($ezsql_mysql_str[4],E_USER_WARNING) : null;
- }
- // Try to connect to the database
- else if ( !@mysql_query("USE `$dbname`",$this->dbh) )
- {
- // Try to get error supplied by mysql if not use our own
- if ( !$str = @mysql_error($this->dbh))
- $str = $ezsql_mysql_str[5];
- $this->register_error($str.' in '.__FILE__.' on line '.__LINE__);
- $this->show_errors ? trigger_error($str,E_USER_WARNING) : null;
- }
- else
- {
- $this->dbname = $dbname;
- $return_val = true;
- }
- return $return_val;
- }
- /**********************************************************************
- * Format a mySQL string correctly for safe mySQL insert
- * (no mater if magic quotes are on or not)
- */
- function escape($value)
- {
- /*
- // If there is no existing database connection just do a dummy escape.
- if ( ! isset($this->dbh) || ! $this->dbh )
- {
- return "'$value'";
- }
- */
-
- // Stripslashes
- if (get_magic_quotes_gpc())
- {
- $value = stripslashes($value);
- }
- // Quote if not a number or a numeric string
- if (!is_numeric($value))
- {
- if(version_compare(phpversion(),"4.3.0")=="-1")
- {
- $value = mysql_escape_string($value);
- }
- else
- {
- $value = "'" . mysql_real_escape_string($value, $this->dbh) . "'";
- }
- }
- return $value;
- }
- /**********************************************************************
- * Return mySQL specific system date syntax
- * i.e. Oracle: SYSDATE Mysql: NOW()
- */
- function sysdate()
- {
- return 'NOW()';
- }
- /**********************************************************************
- * Perform mySQL query and try to detirmin result value
- */
- function query($query)
- {
- // Initialise return
- $return_val = 0;
- // Flush cached values..
- $this->flush();
- // For reg expressions
- $query = trim($query);
- // Log how the function was called
- $this->func_call = "\$db->query(\"$query\")";
- // Keep track of the last query for debug..
- $this->last_query = $query;
- // Count how many queries there have been
- $this->num_queries++;
- // Use core file cache function
- if ( $cache = $this->get_cache($query) )
- {
- return $cache;
- }
- // If there is no existing database connection then try to connect
- $this->ensureConnected();
- // Perform the query via std mysql_query function..
- $this->result = @mysql_query($query,$this->dbh);
- // If there is an error then take note of it..
- if ( $str = @mysql_error($this->dbh) )
- {
- $is_insert = true;
- $this->register_error($str);
- $this->show_errors ? trigger_error($str,E_USER_WARNING) : null;
- return false;
- }
- // Query was an insert, delete, update, replace
- $is_insert = false;
- if ( preg_match("/^(insert|delete|update|replace|load|start)\s+/i",$query)||strtolower($query) == 'commit')
- {
- $this->rows_affected = @mysql_affected_rows();
- // Take note of the insert_id
- if ( preg_match("/^(insert|replace)\s+/i",$query) )
- {
- $this->insert_id = @mysql_insert_id($this->dbh);
- }
- // Return number fo rows affected
- $return_val = $this->rows_affected;
- }
- // Query was a select
- else
- {
- // Take note of column info
- $i=0;
- while ($i < @mysql_num_fields($this->result))
- {
- $this->col_info[$i] = @mysql_fetch_field($this->result);
- $i++;
- }
- // Store Query Results
- $num_rows=0;
- while ( $row = @mysql_fetch_object($this->result) )
- {
- // Store relults as an objects within main array
- $this->last_result[$num_rows] = $row;
- $num_rows++;
- }
- @mysql_free_result($this->result);
- // Log number of rows the query returned
- $this->num_rows = $num_rows;
- // Return number of rows selected
- $return_val = $this->num_rows;
- }
- // disk caching of queries
- $this->store_cache($query,$is_insert);
- // If debug ALL queries
- $this->trace || $this->debug_all ? $this->debug() : null ;
- return $return_val;
- }
- }
- ?>