CSV Utility Class

<?php
/**
 * CSV File to Assiciative Array ( Simply Using fgetcsv() )
 * && 
 * CSV String to Associative Array ( Using tmpfile() )
 */   

    error_reporting(E_ALL);
    
    echo '<pre>'.var_export( CSV::file2Array('csv.csv') , true ).'</pre>';

    echo '<pre>'.var_export( CSV::str2Array( "f1,f2,f3\naa,\"bb,bb\",cc\nxx,yy,zz" ) , true ).'</pre>';

class CSV
{
    //-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=
    //General Utility Functions Start 
    //-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=
    /**
    * Utility Function to make array from csv file, Array keys are same as csv column name.
    *
    * Function internaly call fgetcsv to perform it operation 
    * @access public
    * @return Array  Return array is associative array , Whose keys are identical to csv column names )
    * @param string valid file path
    * @param character defalut value ','
    * @param character default value '"'
    * @param character defalut '\' currently ignored 
    */
    public static function file2Array( $csv_path, $delimiter=',', $enclosure='"', $escape='\\' )
    {   
        //return associative array from csv file
        //assumption $csvstr containcsv data, first line containing column name
        // $csvstr = "f1,f2,f3\naa,\"bb,bb\",cc\nxx,yy,zz";
        // Array( [0] => Array( [f1] => aa [f2] => bb,bb [f3] => cc )
        //        [1] => Array( [f1] => xx [f2] => yy    [f3] => zz )  )
        $handle = @fopen($csv_path, "r");
        #var_dump( $csv_path, $handle ); die(); 
        $ret = Array();
        if ( false !== $handle)
        {
            //retrive columns 
            $cols = @fgetcsv($handle, 1000, $delimiter, $enclosure);
            //make all value to lower case
            foreach($cols as $k=>$v)
            {
                $cols[$k]= strtolower(trim($v));
            }
            
            while( ($data = @fgetcsv($handle, 1000)) !== FALSE)
            { 
                if ( '' != trim($data[0]) )//for ignoring empty lines
                {   
                    //IMP to ignore empty lines
                    $ret[] = array_combine($cols, $data);
                }
            }
            @fclose($handle); 
        }
        return $ret;
    }//END_OF_csvFile2Array

    /**
    * Utility Function to,Convert csv string to array with keys are same as column name
    * 
    * Function internaly call fgetcsv to perform it operation, <br>
    * for this it create temporery file usign tempfile() wich will be deleted on fclose().  
    * @access public
    * @return Array  Return array is associative array , Whose keys are identical to csv column names )
    * @param string valid file path
    * @param character defalut value ','
    * @param character default value '"'
    * @param character defalut '\' currently ignored 
    */
    public static function str2Array( $csv_str, $delimiter=',', $enclosure='"', $escape='\\' )
    {   
        //return associative array from csv data string
        //assumption $csvstr containcsv data, first line containing column name
        // $csvstr = "f1,f2,f3\naa,\"bb,bb\",cc\nxx,yy,zz";
        // Array( [0] => Array( [f1] => aa [f2] => bb,bb [f3] => cc )
        //        [1] => Array( [f1] => xx [f2] => yy    [f3] => zz )  )
        
        $handle = tmpfile();
        $ret = Array();
        if ( false !== $handle)
        {
            //Write csv data to string
            @fwrite($handle, $csv_str);
            @fseek($handle, 0);//Move pointer to start
            
            //retrive columns
            $cols = @fgetcsv($handle, 1000, $delimiter, $enclosure);
            //make all value to lower case
            foreach($cols as $k=>$v)
            {
                $cols[$k]= strtolower(trim($v));
            }
            
            while( ($data = @fgetcsv($handle, 1000, $delimiter, $enclosure)) !== FALSE)
            {
                if ( '' != trim($data[0]) )
                {
                    //IMP to ignore empty lines
                    $ret[] = array_combine($cols, $data);
                }
            }
            @fclose($handle);
        } 
        return $ret;
    }//END_OF_csvStr2Array

    public static function array2Str( $arr ){ die('CSV::array2Str() yet not implemented '); }
    public static function array2File( $arr , $path){ die('CSV::array2File() yet not implemented '); }
    
    
}
?>