mirror of
https://github.com/kremalicious/krtmn.git
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347 lines
9.9 KiB
PHP
Executable File
347 lines
9.9 KiB
PHP
Executable File
<?php
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/**********************************************************************
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* Author: Juergen Bouché (jbouche@nurfuerspam.de)
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* Web...: http://www.juergenbouche.de
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* Name..: ezSQL_mysqli
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* Desc..: mySQLi component (part of ezSQL database abstraction library)
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*
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*/
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/**********************************************************************
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* ezSQL error strings - mySQLi
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*/
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global $ezsql_mysqli_str;
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$ezsql_mysqli_str = array
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(
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1 => 'Require $dbuser and $dbpassword to connect to a database server',
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2 => 'Error establishing mySQLi database connection. Correct user/password? Correct hostname? Database server running?',
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3 => 'Require $dbname to select a database',
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4 => 'mySQLi database connection is not active',
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5 => 'Unexpected error while trying to select database'
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);
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/**********************************************************************
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* ezSQL Database specific class - mySQLi
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*/
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if ( ! function_exists ('mysqli_connect') ) die('<b>Fatal Error:</b> ezSQL_mysql requires mySQLi Lib to be compiled and or linked in to the PHP engine');
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if ( ! class_exists ('ezSQLcore') ) die('<b>Fatal Error:</b> ezSQL_mysql requires ezSQLcore (ez_sql_core.php) to be included/loaded before it can be used');
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class ezSQL_mysqli extends ezSQLcore
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{
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var $dbuser = false;
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var $dbpassword = false;
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var $dbname = false;
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var $dbhost = false;
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var $dbport = false;
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var $encoding = false;
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var $rows_affected = false;
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/**********************************************************************
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* Constructor - allow the user to perform a qucik connect at the
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* same time as initialising the ezSQL_mysqli class
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*/
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function __construct($dbuser='', $dbpassword='', $dbname='', $dbhost='localhost', $encoding='')
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{
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$this->dbuser = $dbuser;
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$this->dbpassword = $dbpassword;
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$this->dbname = $dbname;
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list( $this->dbhost, $this->dbport ) = $this->get_host_port( $dbhost, 3306 );
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$this->encoding = $encoding;
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}
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/**********************************************************************
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* Short hand way to connect to mySQL database server
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* and select a mySQL database at the same time
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*/
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function quick_connect($dbuser='', $dbpassword='', $dbname='', $dbhost='localhost', $dbport='3306', $encoding='')
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{
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$return_val = false;
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if ( ! $this->connect($dbuser, $dbpassword, $dbhost, $dbport) ) ;
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else if ( ! $this->select($dbname,$encoding) ) ;
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else $return_val = true;
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return $return_val;
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}
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/**********************************************************************
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* Try to connect to mySQL database server
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*/
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function connect($dbuser='', $dbpassword='', $dbhost='localhost', $dbport=false)
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{
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global $ezsql_mysqli_str; $return_val = false;
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// Keep track of how long the DB takes to connect
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$this->timer_start('db_connect_time');
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// If port not specified (new connection issued), get it
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if( ! $dbport ) {
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list( $dbhost, $dbport ) = $this->get_host_port( $dbhost, 3306 );
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}
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// Must have a user and a password
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if ( ! $dbuser )
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{
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$this->register_error($ezsql_mysqli_str[1].' in '.__FILE__.' on line '.__LINE__);
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$this->show_errors ? trigger_error($ezsql_mysqli_str[1],E_USER_WARNING) : null;
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}
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// Try to establish the server database handle
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else
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{
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$this->dbh = new mysqli($dbhost,$dbuser,$dbpassword, '', $dbport);
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// Check for connection problem
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if( $this->dbh->connect_errno )
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{
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$this->register_error($ezsql_mysqli_str[2].' in '.__FILE__.' on line '.__LINE__);
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$this->show_errors ? trigger_error($ezsql_mysqli_str[2],E_USER_WARNING) : null;
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}
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else
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{
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$this->dbuser = $dbuser;
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$this->dbpassword = $dbpassword;
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$this->dbhost = $dbhost;
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$this->dbport = $dbport;
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$return_val = true;
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}
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}
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return $return_val;
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}
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/**********************************************************************
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* Try to select a mySQL database
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*/
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function select($dbname='', $encoding='')
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{
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global $ezsql_mysqli_str; $return_val = false;
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// Must have a database name
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if ( ! $dbname )
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{
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$this->register_error($ezsql_mysqli_str[3].' in '.__FILE__.' on line '.__LINE__);
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$this->show_errors ? trigger_error($ezsql_mysqli_str[3],E_USER_WARNING) : null;
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}
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// Must have an active database connection
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else if ( ! $this->dbh )
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{
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$this->register_error($ezsql_mysqli_str[4].' in '.__FILE__.' on line '.__LINE__);
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$this->show_errors ? trigger_error($ezsql_mysqli_str[4],E_USER_WARNING) : null;
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}
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// Try to connect to the database
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else if ( !@$this->dbh->select_db($dbname) )
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{
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// Try to get error supplied by mysql if not use our own
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if ( !$str = @$this->dbh->error)
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$str = $ezsql_mysqli_str[5];
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$this->register_error($str.' in '.__FILE__.' on line '.__LINE__);
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$this->show_errors ? trigger_error($str,E_USER_WARNING) : null;
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}
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else
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{
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$this->dbname = $dbname;
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if($encoding!='')
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{
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$encoding = strtolower(str_replace("-","",$encoding));
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$charsets = array();
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$result = $this->dbh->query("SHOW CHARACTER SET");
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while($row = $result->fetch_array(MYSQLI_ASSOC))
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{
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$charsets[] = $row["Charset"];
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}
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if(in_array($encoding,$charsets)){
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$this->dbh->query("SET NAMES '".$encoding."'");
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}
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}
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$return_val = true;
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}
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return $return_val;
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}
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/**********************************************************************
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* Format a mySQL string correctly for safe mySQL insert
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* (no mater if magic quotes are on or not)
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*/
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function escape($str)
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{
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// If there is no existing database connection then try to connect
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if ( ! isset($this->dbh) || ! $this->dbh )
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{
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$this->connect($this->dbuser, $this->dbpassword, $this->dbhost, $this->dbport);
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$this->select($this->dbname, $this->encoding);
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}
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return $this->dbh->escape_string(stripslashes($str));
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}
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/**********************************************************************
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* Return mySQL specific system date syntax
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* i.e. Oracle: SYSDATE Mysql: NOW()
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*/
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function sysdate()
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{
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return 'NOW()';
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}
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/**********************************************************************
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* Perform mySQL query and try to determine result value
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*/
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function query($query)
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{
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// This keeps the connection alive for very long running scripts
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if ( $this->num_queries >= 500 )
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{
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$this->disconnect();
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$this->quick_connect($this->dbuser,$this->dbpassword,$this->dbname,$this->dbhost,$this->dbport,$this->encoding);
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}
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// Initialise return
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$return_val = 0;
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// Flush cached values..
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$this->flush();
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// For reg expressions
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$query = trim($query);
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// Log how the function was called
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$this->func_call = "\$db->query(\"$query\")";
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// Keep track of the last query for debug..
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$this->last_query = $query;
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// Count how many queries there have been
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$this->num_queries++;
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// Start timer
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$this->timer_start($this->num_queries);
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// Use core file cache function
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if ( $cache = $this->get_cache($query) )
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{
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// Keep tack of how long all queries have taken
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$this->timer_update_global($this->num_queries);
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// Trace all queries
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if ( $this->use_trace_log )
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{
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$this->trace_log[] = $this->debug(false);
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}
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return $cache;
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}
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// If there is no existing database connection then try to connect
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if ( ! isset($this->dbh) || ! $this->dbh )
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{
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$this->connect($this->dbuser, $this->dbpassword, $this->dbhost, $this->dbport);
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$this->select($this->dbname,$this->encoding);
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if ( ! isset($this->dbh) || $this->dbh->connect_errno )
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return false;
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}
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// Perform the query via std mysql_query function..
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$this->result = @$this->dbh->query($query);
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// If there is an error then take note of it..
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if ( $str = @$this->dbh->error )
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{
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$is_insert = true;
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$this->register_error($str);
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$this->show_errors ? trigger_error($str,E_USER_WARNING) : null;
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return false;
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}
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// Query was an insert, delete, update, replace
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$is_insert = false;
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//if ( preg_match("/^(insert|delete|update|replace|truncate|drop|create|alter)\s+/i",$query) )
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if ( preg_match("/^(insert|delete|update|replace|truncate|drop|create|alter|begin|commit|rollback|set)/i",$query) )
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{
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$this->rows_affected = @$this->dbh->affected_rows;
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// Take note of the insert_id
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if ( preg_match("/^(insert|replace)\s+/i",$query) )
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{
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$this->insert_id = @$this->dbh->insert_id;
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}
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// Return number fo rows affected
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$return_val = $this->rows_affected;
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}
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// Query was a select
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else
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{
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// Take note of column info
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$i=0;
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while ($i < @$this->result->field_count)
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{
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$this->col_info[$i] = @$this->result->fetch_field();
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$i++;
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}
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// Store Query Results
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$num_rows=0;
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while ( $row = @$this->result->fetch_object() )
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{
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// Store relults as an objects within main array
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$this->last_result[$num_rows] = $row;
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$num_rows++;
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}
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@$this->result->free_result();
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// Log number of rows the query returned
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$this->num_rows = $num_rows;
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// Return number of rows selected
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$return_val = $this->num_rows;
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}
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// disk caching of queries
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$this->store_cache($query,$is_insert);
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// If debug ALL queries
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$this->trace || $this->debug_all ? $this->debug() : null ;
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// Keep tack of how long all queries have taken
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$this->timer_update_global($this->num_queries);
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// Trace all queries
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if ( $this->use_trace_log )
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{
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$this->trace_log[] = $this->debug(false);
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}
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return $return_val;
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}
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/**********************************************************************
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* Close the active mySQLi connection
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*/
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function disconnect()
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{
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@$this->dbh->close();
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}
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}
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