class.db.php | searchcode

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https://bitbucket.org/muzamilqadir/buildium
PHP | 575 lines | 357 code | 150 blank | 68 comment | 51 complexity | f6f1df0231315e704f5f2af1d98d2c9d MD5 | raw file

<?php
	// ==================================================================
	
	define("EZSQL_DB_USER", "devmcom_demodb");			// <-- mysql db user
	define("EZSQL_DB_PASSWORD", "bismillah");		// <-- mysql db password
	define("EZSQL_DB_NAME", "devmcom_realestate");		// <-- mysql db pname
	define("EZSQL_DB_HOST", "localhost");	// <-- mysql server host
	
	define("EZSQL_VERSION","1.01");
	define("OBJECT","OBJECT",true);
	define("ARRAY_A","ARRAY_A",true);
	define("ARRAY_N","ARRAY_N",true);
	
	
	// ==================================================================
	//	The Main Class
	
	class db {
	
		// ==================================================================
		//	DB Constructor - connects to the server and selects a database
		
		
		function db()
		{
		
		
	
			$this->dbh = @mysql_connect(EZSQL_DB_HOST,EZSQL_DB_USER,EZSQL_DB_PASSWORD);
			
			if ( ! $this->dbh )
			{
				$this->print_error("<ol><b>Error establishing a database connection!</b><li>Are you sure you have the correct user/password?<li>Are you sure that you have typed the correct hostname?<li>Are you sure that the database server is running?</ol>");
			}
			
				
			$this->select(EZSQL_DB_NAME);
		
		}
		
		// ==================================================================
		//	Select a DB (if another one needs to be selected)
		
		function select($db)
		{
			if ( !@mysql_select_db($db,$this->dbh))
			{
				$this->print_error("<ol><b>Error selecting database <u>$db</u>!</b><li>Are you sure it exists?<li>Are you sure there is a valid database connection?</ol>");
			}
		}
	
		// ==================================================================
		//	Print SQL/DB error.
	
		function print_error($str = "")
		{
			
			if ( !$str ) $str = mysql_error();
			
			// If there is an error then take note of it
			print "<blockquote><font face=arial size=2 color=ff0000>";
			print "<b>SQL/DB Error --</b> ";
			print "[<font color=000077>$str</font>]";
			print "</font></blockquote>";	
		}
	
		// ==================================================================
		//	Basic Query	- see docs for more detail
		
		function query($query, $output = OBJECT) 
		{
			
			// Log how the function was called
			$this->func_call = "\$db->query(\"$query\", $output)";		
			
			// Kill this
			$this->last_result = null;
			$this->col_info = null;
	
			// Keep track of the last query for debug..
			$this->last_query = $query;
			
			// Perform the query via std mysql_query function..
			$this->result = mysql_query($query,$this->dbh);
	
			if ( mysql_error() ) 
			{
				
				// If there is an error then take note of it..
				$this->print_error();
	
			}
			else
			{
	
				// In other words if this was a select statement..
				if ( $this->result )
				{
	
					// =======================================================
					// 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
					
					$i=0;
					while ( $row = @mysql_fetch_object($this->result) )
					{ 
	
						// Store relults as an objects within main array
						$this->last_result[$i] = $row;
						
						$i++;
					}
					
					@mysql_free_result($this->result);
	
					// If there were results then return true for $db->query
					if ( $i )
					{
						return true;
		
					}
					else
					{
						return false;
					}
				}
			}
		}
		
		function ExeQuersys($qry)
		{
			//echo $qry;
			$exe = mysql_query($qry);
			return $exe;
		}
		
		
		function NumRows($qry)
		{
			//echo $qry;
			$exe = $this->ExeQuersys($qry);
			$nof = mysql_num_rows($exe);
			return $nof;
		}
	
		// ==================================================================
		//	Get one variable from the DB - see docs for more detail
		
		function get_var($query=null,$x=0,$y=0)
		{
			
			// Log how the function was called
			$this->func_call = "\$db->get_var(\"$query\",$x,$y)";
			
			// If there is a query then perform it if not then use cached results..
			if ( $query )
			{
				$this->query($query);
			}
			
			// Extract var out of cached results based x,y vals
			if ( $this->last_result[$y] )
			{
				$values = array_values(get_object_vars($this->last_result[$y]));
			}
			
			// If there is a value return it else return null
			return $values[$x]?$values[$x]:null;
		}
	
		// ==================================================================
		//	Get one row from the DB - see docs for more detail
		
		function get_row($query=null,$y=0,$output=OBJECT)
		{
			
			
			// Log how the function was called
			$this->func_call = "\$db->get_row(\"$query\",$y,$output)";

			// If there is a query then perform it if not then use cached results..
			if ( $query )
			{
				$this->query($query);
			}
	
			// If the output is an object then return object using the row offset..
			if ( $output == OBJECT )
			{
				return $this->last_result[$y]?$this->last_result[$y]:null;
			}
			// If the output is an associative array then return row as such..
			elseif ( $output == ARRAY_A )
			{
				return $this->last_result[$y]?get_object_vars($this->last_result[$y]):null;	
			}
			// If the output is an numerical array then return row as such..
			elseif ( $output == ARRAY_N )
			{
				return $this->last_result[$y]?array_values(get_object_vars($this->last_result[$y])):null;
			}
			// If invalid output type was specified..
			else
			{
				$this->print_error(" \$db->get_row(string query,int offset,output type) -- Output type must be one of: OBJECT, ARRAY_A, ARRAY_N ");	
			}
	
		}
		
		
		
	
		// ==================================================================
		//	Function to get 1 column from the cached result set based in X index
		// se docs for usage and info
	
		function get_col($query=null,$x=0)
		{
			
			// If there is a query then perform it if not then use cached results..
			if ( $query )
			{
				$this->query($query);
			}
			
			// Extract the column values
			for ( $i=0; $i < count($this->last_result); $i++ )
			{
				$new_array[$i] = $this->get_var(null,$x,$i);
			}
			
			return $new_array;
		}
		
		
	
		// ==================================================================
		// Return the the query as a result set - see docs for more details
		
		function get_results($query=null, $output = OBJECT)
		{
			
			// Log how the function was called
			$this->func_call = "\$db->get_results(\"$query\", $output)";
			
			// If there is a query then perform it if not then use cached results..
			if ( $query )
			{
				$this->query($query);
			}		
	
			// Send back array of objects. Each row is an object		
			if ( $output == OBJECT )
			{
				return $this->last_result; 
			}
			elseif ( $output == ARRAY_A || $output == ARRAY_N )
			{
				if ( $this->last_result )
				{
					$i=0;
					foreach( $this->last_result as $row )
					{
						
						$new_array[$i] = get_object_vars($row);
						
						if ( $output == ARRAY_N )
						{
							$new_array[$i] = array_values($new_array[$i]);
						}
	
						$i++;
					}
				
					return $new_array;
				}
				else
				{
					return null;	
				}
			}
		}
	
	
		// ==================================================================
		// Function to get column meta data info pertaining to the last query
		// see docs for more info and usage
		
		function get_col_info($info_type="name",$col_offset=-1)
		{
	
			if ( $this->col_info )
			{
				if ( $col_offset == -1 )
				{
					$i=0;
					foreach($this->col_info as $col )
					{
						$new_array[$i] = $col->{$info_type};
						$i++;
					}
					return $new_array;
				}
				else
				{
					return $this->col_info[$col_offset]->{$info_type};
				}
			
			}
			
		}
	
	
		// ==================================================================
		// Dumps the contents of any input variable to screen in a nicely
		// formatted and easy to understand way - any type: Object, Var or Array
	
		function vardump($mixed)
		{

			echo "<blockquote><font color=000090>";
			echo "<pre><font face=arial>";
			
			if ( ! $this->vardump_called )
			{
				echo "<font color=800080><b>ezSQL</b> (v".EZSQL_VERSION.") <b>Variable Dump..</b></font>\n\n";
			}
	
			print_r($mixed);	
			echo "\n\n<b>Last Query:</b> ".($this->last_query?$this->last_query:"NULL")."\n";
			echo "<b>Last Function Call:</b> " . ($this->func_call?$this->func_call:"None")."\n";
			echo "<b>Last Rows Returned:</b> ".count($this->last_result)."\n";
			echo "</font></pre></font></blockquote>";
			echo "\n<hr size=1 noshade color=dddddd>";
			
			$this->vardump_called = true;

		}
	
		// Alias for the above function	
		function dumpvars($mixed)
		{
			$this->vardump($mixed);	
		}
		
		
		
		// ==================================================================
		// Displays the last query string that was sent to the database & a 
		// table listing results (if there were any). 
		// (abstracted into a seperate file to save server overhead).
		
		function debug()
		{
			
			echo "<blockquote>";
	
			// Only show ezSQL credits once..
			if ( ! $this->debug_called )
			{
				echo "<font color=800080 face=arial size=2><b>ezSQL</b> (v".EZSQL_VERSION.") <b>Debug..</b></font><p>\n";
			}
			echo "<font face=arial size=2 color=000099><b>Query --</b> ";
			echo "[<font color=000000><b>$this->last_query</b></font>]</font><p>";
	
				echo "<font face=arial size=2 color=000099><b>Query Result..</b></font>";
				echo "<blockquote>";
				
			if ( $this->col_info )
			{
				
				// =====================================================
				// Results top rows
				
				echo "<table cellpadding=5 cellspacing=1 bgcolor=555555>";
				echo "<tr bgcolor=eeeeee><td nowrap valign=bottom><font color=555599 face=arial size=2><b>(row)</b></font></td>";
	
	
				for ( $i=0; $i < count($this->col_info); $i++ )
				{
					echo "<td nowrap align=left valign=top><font size=1 color=555599 face=arial>{$this->col_info[$i]->type} {$this->col_info[$i]->max_length}<br><font size=2><b>{$this->col_info[$i]->name}</b></font></td>";
				}
	
				echo "</tr>";
	
				// ======================================================
				// print main results
	
			if ( $this->last_result )
			{
	
				$i=0;
				foreach ( $this->get_results(null,ARRAY_N) as $one_row )
				{
					$i++;
					echo "<tr bgcolor=ffffff><td bgcolor=eeeeee nowrap align=middle><font size=2 color=555599 face=arial>$i</font></td>";
	
					foreach ( $one_row as $item )
					{
						echo "<td nowrap><font face=arial size=2>$item</font></td>";	
					}
	
					echo "</tr>";				
				}
	
			} // if last result
			else
			{
				echo "<tr bgcolor=ffffff><td colspan=".(count($this->col_info)+1)."><font face=arial size=2>No Results</font></td></tr>";			
			}
	
			echo "</table>";		
	
			} // if col_info
			else
			{
				echo "<font face=arial size=2>No Results</font>";			
			}
			
			echo "</blockquote></blockquote><hr noshade color=dddddd size=1>";
			
			
			$this->debug_called = true;
		}
		
			///////////////////////////INSERt//////////////////////////////////	
		function iInsert($table, $postData = array()){
			$q = "DESC $table";
			$q = mysql_query($q);
			
			$getFields = array();
			
			while ($field = mysql_fetch_array($q)){
				$getFields[sizeof($getFields)] = $field['Field'];
			}
			
			$fields = "";
			$values = "";

			if (sizeof($getFields) > 0){				
				foreach($getFields as $k){
					if (isset($postData[$k])){
						$postData[$k] = mysql_real_escape_string($postData[$k]);
						
						$fields .= "`$k`, ";
						$values .= "'$postData[$k]', ";
					}
				}
				
				$fields = substr($fields, 0, strlen($fields) - 2);
				$values = substr($values, 0, strlen($values) - 2);
				
				$insert = "INSERT INTO $table ($fields) VALUES ($values)";		
				
				if (mysql_query($insert)){
					return true;
				}else{
					echo mysql_error();
					return false;
				}
			}else{
				return false;
			}
		}
		
	///////////////////////////Update//////////////////////////////////	
		
		function iUpdate($table, $postData = array(), $conditions = array()){
			$q = "DESC $table";
			$q = mysql_query($q);
			
			$getFields = array();
			
			while ($field = mysql_fetch_array($q)){
				$getFields[sizeof($getFields)] = $field['Field'];
			}
			
			$values = "";
			$conds = "";
			
			if (sizeof($getFields) > 0){
				foreach($getFields as $k){
					if (isset($postData[$k])){		
						$postData[$k] = mysql_real_escape_string($postData[$k]);
						
						$values .= "`$k` = '$postData[$k]', ";
					}
				}
				
				$values = substr($values, 0, strlen($values) - 2);
				
				foreach($conditions as $k => $v){
					$v = mysql_real_escape_string($v);
				
					$conds .= "`$k` = '$v'";
				}
				
				$update = "UPDATE $table SET $values WHERE $conds";				
												
				if (mysql_query($update)){
					return true;
				}else{
					echo mysql_error();
					return false;
				}
			}else{
				return false;
			}
		}
	
		function iDisconnect(){
			if (mysql_close($this->db_conn)){
				return true;
			}else{		
				echo mysql_error();	
				return false;
			}
		}
		
		function SelectDrop($qry,$sel="",$value = "")
		{
			
			$result = $this->ExeQuersys($qry);
			while($row=mysql_fetch_array($result))
			{
				if($sel!= "")
				{
					if($sel == $row[0]){$sl = 'selected="selected"';}else{$sl = '';}
					
				}
				
				if($value!= "")
				{
					$lab = $row[$value];
					
					
				}else{ $lab = $row[1]; }
				
				$tr .= ' <option value="'.$row[0].'" '.$sl.' >'.$lab.'</option>';
				}
			return $tr;
		}
		
		
		function MultiSelectDrop($qry,$sel="",$value = "")
		{	
			$result = $this->ExeQuersys($qry);
			while($row=mysql_fetch_array($result))
			{
				if($sel!= "")
				{
					
					$select = $this->get_row("select * from userstates where user_id = '".$sel."' ");
					if($select->state == $row[0]){$sl .= 'selected="selected"';}else{$sl = '';}
					
				}
				
				if($value!= ""){$lab = $row[$value];}else{ $lab = $row[1]; }
				
				$tr .= ' <option value="'.$row[0].'" '.$sl.' >'.$lab.'</option>';
				}
			return $tr;
		}		
	}

?>