Home/ Questions/Q 331421
In Process

The Archive Base Latest Questions

Editorial Team
  • 0
Asked: 2026-05-12T09:46:22+00:00

I saw if($output !== false){ } It’s an exclamation mark with two equals signs.

  • 0

I saw 

if($output !== false){
}

It’s an exclamation mark with two equals signs.

It almost works like not equal. Does it has any extra significance?

Share

Leave an answer

You must login to add an answer.

Need An Account,

1 Answer

  1. Editorial Team

    They are the strict equality operators ( ===, !==) , the two operands must have the same type and value in order the result to be true.

    For example:

    var_dump(0 == "0"); //  true
var_dump("1" == "01"); //  true
var_dump("1" == true); //  true

var_dump(0 === "0"); //  false
var_dump("1" === "01"); //  false
var_dump("1" === true); //  false

    More information:

    • 0