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();

			}

			$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(

					__(