The decbin() function converts a decimal number to binary number.
Syntax
decbin(num)
Parameters
num − Specifies a number to be converted to binary.
Return
The decbin() function Returns a string representing the binary number of the decimal value.
Example
<?php
echo decbin("3865");
?>Output
111100011001
Example
Let us see another example −
<?php
echo decbin("99");
?>Output
1100011