The PHP function decbin() converts a decimal number into a string containing its binary representation. The largest decimal value that can be converted is 2147483647. If you have to deal with larger numbers, you need to write a custom function to handle the values. It takes just one parameter, which is the number to convert. For example:
print decbin(16); // "10000"
Syntax
decbin(int $num): string
Parameters
| Parameter | Description |
|---|---|
| num | Decimal value to convert |
Examples
Example 1: Get the binary representation of an integer.
$number = 42; echo "The binary of $number is ", decbin($number);
Example 2:
echo decbin(12) . "\n"; echo decbin(26);
Output:
1100 11010