how Spaceship Operator ( <=>) work ?
what it means when we say x<=>y and how it interact with array
what this give us result ?
optional info i need is , all other language like PHP , Python , have Spaceship Operator ?
PHP 7 had introduced new operator <=> called the Spaceship Operator . so what it does ? what is best use of it ? is it help or increase load of web application ?