invp_get_the_fuel_economy_value( string $key, int $fuel_type = 1, int|null $post_ID = null )
Makes retrieving a fuel economy data point from metadata easier.
Parameters
- $key
-
(string) (Required) One of these fuel economy member suffixes: name, annual_consumption, annual_cost, annual_emissions, combined_mpg, city_mpg, highway_mpg.
- $fuel_type
-
(int) (Optional) Specifies which of the two fuel types from which to retrieve the value.
Default value: 1
- $post_ID
-
(int|null) (Optional) The post ID of a vehicle. Must be passed when using this method outside the loop.
Default value: null
Return
(string) The meta value string corresponding to the provided $key or empty string.
Source
File: includes/template-tags.php
function invp_get_the_fuel_economy_value( $key, $fuel_type = 1, $post_ID = null ) {
if ( empty( $post_ID ) ) {
$post_ID = get_the_ID();
}
/**
* The meta key fuel_economy_five_year_savings does not apply to either fuel
* type, so ignore $fuel_type when this key is passed.
*/
if ( 'fuel_economy_five_year_savings' !== $key ) {
$key = 'fuel_economy_' . $fuel_type . '_' . $key;
}
return INVP::get_meta( $key, $post_ID );
}
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