Question

How to use void functions in PHP

Answer 1

class Test {
    public function __construct () {}
  
    // In PHP a void function must not return a value
    public function f () :void {
  	    echo "void function";
  	    
  	    // Fatal error: A void function must not return a value in main.php on line 9
  	    // return 5; 
    }
}

$obj = new Test;
  
echo $obj->f();



/*
run:

void function

*/

 

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