Question

How to show 8 bits of a char (byte) in PHP

Answer 1

$ch = 'a';
    
$bin = decbin(ord($ch));

echo $bin;



/*
run:
     
1100001
 
*/

 

70+ SQL courses for beginners and professionals

Answer 2

$ch = 'a';
    
$bin = decbin(ord($ch));
$bin = str_pad($bin, 8, 0, STR_PAD_LEFT);

echo $bin;



/*
run:
     
01100001
 
*/

 

70+ SQL courses for beginners and professionals