PHP abstract function to create select query using array

get.php

<?php 
/** $where['date'] = array(
					'compare' => 'BETWEEN',
					'value'   => array(
						$start,
						$end
					)
				);

$where['27/11/2015'] = array(
					'compare' => 'BETWEEN',
					'value'   => array(
						$start,
						$end
					),
					'is_val_col' => true
				);

$where['colname'] = array(
		'compare' => '>',
		'value' => array('actual_value')
		)
**/ 
	public function get( $columns,  $table_name = 'search', $offset = false, $per_page = false, $order_by = 'ID desc' ) {
			$select = 'SELECT * FROM ' . $table_name;
			$where  = ' where 2=2 ';
			foreach ( $columns as $colname => $colvalue ) {
				if ( is_array( $colvalue ) && isset( $colvalue['compare'] ) && strtoupper( $colvalue['compare'] ) == 'BETWEEN' && count( $colvalue['value'] ) == 2 ) {
					if ( !empty( $colvalue['is_val_col'] ) ){
						$where .= " AND `{$colname}` BETWEEN {$colvalue['value'][0]} AND {$colvalue['value'][1]}";						
					} else{
  						$where .= " AND {$colname} BETWEEN '{$colvalue['value'][0]}' AND '{$colvalue['value'][1]}'";
					}
				} else if ( is_array( $colvalue ) ) {
					if ( ! isset( $colvalue['compare'] ) ) {
						$compare = 'IN';
					} else {
						$compare = $colvalue['compare'];
					}
					if ( ! isset( $colvalue['value'] ) ) {
						$colvalue['value'] = $colvalue;
					}
					$col_val_comapare = ( $colvalue['value'] ) ? '(\'' . implode( "','", $colvalue['value'] ) . '\')' : '';
					$where .= " AND {$table_name}.{$colname} {$compare} {$col_val_comapare}";
				} else {
					$where .= " AND {$table_name}.{$colname} = '{$colvalue}'";
				}
			}
			$sql = $select . $where;
			$sql .= " ORDER BY {$table_name}.$order_by";
			if ( false !== $offset ) {
				if ( ! is_integer( $offset ) ) {
					$offset = 0;
				}
				if ( intval( $offset ) < 0 ) {
					$offset = 0;
				}
				if ( ! is_integer( $per_page ) ) {
					$per_page = 1;
				}
				if ( intval( $per_page ) < 0 ) {
					$per_page = 1;
				}
				$sql .= ' LIMIT ' . $offset . ',' . $per_page;
			}
			// connection object $this->conn in my case 
			$result = mysql_query($sql,$this->conn);
			return $result;
		}