File: lib_dbd_mysql.class

<?php

class DBD_mysql {
	
	/*******************************************************************************
	
	Description   	: 	PHP Database Driver for MySQL
	Author        	: 	Thomas Werner
	Author Email  	: 	thomas.werner@ideaweb.de
	Created       	: 	20000801
	Last Modified 	: 	20000801
	
	Info			: 	n/a
	
	*******************************************************************************/
  
	var $DBI;
	var $dbh;

	function error($str)
	{
		echo "$str<BR>\n";
		exit;
		
	} // End Error

	function connect($dbname, $dbhost = '', $dbuser = '', $dbpwd = ''){

     		$conn = @mysql_connect($dbhost, $dbuser, $dbpwd);
     		
		if(!$conn) {
			$this->error("DBD::mysql Error: Could not connect to the database.");
			return;
    		}
    	
    		if(!mysql_select_db($dbname)) {
      			$this->error("DBD::mysql Error: Could not select the database.");
      			return;
    		}
    		
    		$this->dbh = $conn;
    		
    		return($this);
    	
	} // End Connect

	function pconnect($dbname, $dbhost = '', $dbuser = '', $dbpwd = ''){

     		$conn = @mysql_pconnect($dbhost, $dbuser, $dbpwd);
     		
		if(!$conn) {
			$this->error("DBD::mysql Error: Could not connect to the database.");
			return;
    		}
    	
    		if(!mysql_select_db($dbname)) {
      			$this->error("DBD::mysql Error: Could not select the database.");
      			return;
    		}
    		
    		$this->dbh = $conn;
    		
    		return($this);
    	
  	} // End Connect

	function disconnect( )
	{
		mysql_close($this->dbh);
		$this->dbh = undef;
		return(1);
		
  	} // End Disconnect

  	function prepare($query)
	{
		if(!$this->dbh){ return; }
    		$sth = new STH_mysql;
		$sth->DBH($this);
		$sth->prepare($query);
		return($sth);
  	
  	} // End Prepare
	 
} // End DBD Class

class STH_mysql {

	var $query;
	var $DBH;
	var $dbh;
	var $result;
	
	function error($str)
	{
		echo "$str<BR>\n";
		exit;
		
	} // End Error

	function DBH($dbh)
	{
		$this->DBH = $dbh;
		$this->dbh = $dbh->dbh;
		return( $dbh );
	}

	function prepare($query)
	{
		if(!$this->dbh){ return; }
    		$this->query = $query;
    		return($query);
  	}

	function execute()
	{
		if(!$this->dbh ){ return; }

		// DEBUG:
		// echo "Running query $this->query<br>\n";
    		
    		$this->result = mysql_query($this->query, $this->dbh);
    
    		if(!$this->result)
    		{ 
      			// DEBUG:
			//$this->error("STH Execute failed: ".mysql_error( $this->dbh ));
      			return;
    		}

    		return(1);
    		
  	} // End Execute
	
	function insert_id()
	{
	    return(mysql_insert_id($this->dbh));
  	
  	} // End Insert_ID

  	function finish()
  	{
    		if(!$this->result){ return; }
    		mysql_free_result($this->result);
    		$this->result = undef;
    		return(1);
    		
  	} // End Finish

	function rows()
	{
    		if(!$this->dbh){ return; }
    		return mysql_num_rows($this->result);
    		
  	} // End Rows
 
  	function fetchrow_array()
  	{
    		if(!$this->result){
      			//echo "STH Error: Calling fetchrow on null result.<br>\n";
      			return;
    		}
    		return(mysql_fetch_row($this->result));
    		
	} // End Fetchrow_array

	function fetchrow_hash()
	{
    		if(!$this->result){
      			//echo "STH Error: Calling fetchrow on null result.<br>\n";
      			return;
    		}
		return( mysql_fetch_array($this->result));
		
  	} // End Fetchrow_hash
  	
  	function fetchrow_hashref()
	{
    		if(!$this->result){
      			//echo "STH Error: Calling fetchrow on null result.<br>\n";
      			return;
    		}
		return( mysql_fetch_object($this->result));
		
  	} // End Fetchrow_hash
  	
} // End Class STH

$GLOBALS[lib_dbd_mysql_read] = 1;

?>