(PHP 4, PHP 5, PHP 7)
base_convert — Convert a number between arbitrary bases
Returns a string containing
represented in base
tobase. The base in
number is given is specified in
have to be between 2 and 36, inclusive. Digits in numbers with a
base higher than 10 will be represented with the letters a-z,
with a meaning 10, b meaning 11 and z meaning 35.
The case of the letters doesn't matter, i.e.
number is interpreted case-insensitively.
base_convert() may lose precision on large numbers due to properties related to the internal "double" or "float" type used. Please see the Floating point numbers section in the manual for more specific information and limitations.
The number to convert. Any invalid characters in
number are silently ignored.
number is in
The base to convert
number converted to base
Example #1 base_convert() example
$hexadecimal = 'a37334';
echo base_convert($hexadecimal, 16, 2);
The above example will output: