Is_Binary () PHP Function

Definition: The Is_Binary () PHP function is used to check if a number is binary. Binary numbers are also called base two. This function will return true or false. If you need a number to be binary and it is not, you can use the base_convert () function to make it binary.

Also Known As: Is Binary, Binary check

 <?php 
 if (is_binary (1001)) 
 {
 echo "Yes";
 } else {
 echo "No";
 }
 ?>
 

 <?php 
 if (is_binary (1201)) 
 {
 echo "Yes";
 } else {
 echo "No";
 }
 ?>