Question

How to use the equal operator == and the identical operator === in PHP

Answer 1

$a = 5;
$b = '5';
if ($a == $b) 
    echo 'a == b <br />'; 

if ($a === $b) 
    echo 'a === b'; 
else
    echo 'a !== b'; 
  

 
/*
run: 
  
a == b 
a !== b
  
*/

 

70+ SQL courses for beginners and professionals

Answer 2

$a = 6;
$b = 6;
if ($a == $b) 
    echo 'a == b <br />'; 

if ($a === $b) 
    echo 'a === b'; 
else
    echo 'a !== b'; 
  

 
/*
run: 
  
a == b 
a === b
  
*/

 

70+ SQL courses for beginners and professionals