eventespresso / event-espresso-core

			// get the file

			require_once( $path );

			// if the class isn't already declared somewhere

			if ( class_exists( $class_name, FALSE ) === FALSE ) {

				// so sorry, not a class

				throw new EE_Error(

					sprintf(

						__('The %s file %s does not appear to contain the %s Class.','event_espresso'),

						$type,

						$path,

						$class_name

					)

				);

			}

		} catch ( EE_Error $e ) {

			$e->get_error();

				throw new EE_Error( sprintf( __("The '%s' operator must be used with an array of values and there must be exactly TWO values in that array.", 'event_espresso'), "BETWEEN" ) );

			$cleaned_value = $this->_construct_between_value( $value, $field_obj );

			return $operator.SP.$cleaned_value;

		} elseif( in_array( $operator, $this->_null_style_operators ) ) {

			if($value != NULL){

				throw new EE_Error(sprintf(__("You attempted to give a value  (%s) while using a NULL-style operator (%s). That isn't valid", "event_espresso"),$value,$operator));

			}

			return $operator;

		}elseif( $operator == 'LIKE' && ! is_array($value)){

			//if the operator is 'LIKE', we want to allow percent signs (%) and not

			//remove other junk. So just treat it as a string.

			return $operator.SP.$this->_wpdb_prepare_using_field($value, '%s');

			return $operator.SP.$this->_wpdb_prepare_using_field($value, '%s');

		}elseif( ! in_array($operator, $this->_in_style_operators) && ! is_array($value)){

			return $operator.SP.$this->_wpdb_prepare_using_field($value,$field_obj);

		}elseif(in_array($operator, $this->_in_style_operators) && ! is_array($value)){

			throw new EE_Error(sprintf(__("Operator '%s' must be used with an array of values, eg 'Registration.REG_ID' => array('%s',array(1,2,3))",'event_espresso'),$operator, $operator));

		}elseif( ! in_array($operator, $this->_in_style_operators) && is_array($value)){

			throw new EE_Error(sprintf(__("Operator '%s' must be used with a single value, not an array. Eg 'Registration.REG_ID => array('%s',23))",'event_espresso'),$operator,$operator));

		}else{

			throw new EE_Error(sprintf(__("It appears you've provided some totally invalid query parameters. Operator and value were:'%s', which isn't right at all", "event_espresso"),  http_build_query($op_and_value)));