JetEngine - Calculated callback

Description

This plugin allows you to use predefined calculated callbacks or register any callback you want to perform any calculations with data outputed by Dynamic Field widget.

Default callbacks:

• increase_value_by_percentage - increase default value of Dynamic Fild widget to spcified number of percents.
• decrease_value_by_percentage - decrease default value of Dynamic Fild widget to spcified number of percents.
• sum_fields - retruns sum of default field and any additional fields you want.
• fields_diff - retruns difference of default field and any additional fields you want.
• mupltiple_fields - retruns the result of multiplying of default field and any additional fields you want.

Config example

This code should be added into functions.php file of active theme:

add_filter( 'jet-engine-calculated-callback/config', function( $callbacks = array() ) {

    /**
     * Dynamic total price depending on guests number
     * $field_value - is default price per guest for example
     */
    $callbacks['custom_callback'] = function( $field_value ) {

        $additional_field       = 'guests-number';
        $additional_field_value = jet_engine()->listings->data->get_meta( $additional_field );
        $result                 = 0;

        if ( $additional_field_value >= 10 ) {
            $result = $field_value * $additional_field_value - $field_value * $additional_field_value * 0.2;
        } elseif ( 5 <= $additional_field_value && $additional_field_value < 10 ) {
            $result = $field_value * $additional_field_value - $field_value * $additional_field_value * 0.1;
        } else {
            $result = $field_value * $additional_field_value;
        }

        return $result;

    };

    return $callbacks;

} );

Where:

• $field_value - is value of the field selected in Dynamic Filed widget settings.
• $callbacks - is all registered custom callbacks list.
• body of custom_callback funtion - is any calculations you want to perform.