includes/entities/class-fs-plugin-license.php
function left() {
            if ( ! $this->is_active() || $this->is_expired() ) {
                return 0;
            }

            if ( $this->is_unlimited() ) {
                return 999;
            }

            return ( $this->quota - $this->activated - ( $this->is_free_localhost ? 0 : $this->activated_local ) );
        }
function left() {
            if ( ! $this->is_active() || $this->is_expired() ) {
                return 0;
            }

            if ( $this->is_unlimited() ) {
                return 999;
            }

            return ( $this->quota - $this->activated - ( $this->is_free_localhost ? 0 : $this->activated_local ) );
        }
function left ( ) { if ( ! $ this -> is_active ( ) || $ this -> is_expired ( ) ) { return 0 ; } if ( $ this -> is_unlimited ( ) ) { return 999 ; } return ( $ this -> quota - $ this -> activated - ( $ this -> is_free_localhost ? 0 : $ this -> activated_local ) ) ; }
Check how many site activations left.

@author Vova Feldman (@svovaf)
@since  1.0.5

@return int
Check how many site activations left .