HomeMenu
Jesus · Bible · HTML · CSS · JS · PHP · SVG · Applications

bindec

Description

The bindec of Math for PHP binary to decimal.

Syntax

bindec(
    string $binary_string
): int|float

Parameters

binary_string

The binary string to convert. Any invalid characters in binary_string are silently ignored.

BinaryDecimal
00
11
102
......
1111111111111111111111111111111111111111111111111111111111111109223372036854775806
111111111111111111111111111111111111111111111111111111111111111 (63)9223372036854775807 (largest signed integer)
10000000000000000000000000000000000000000000000000000000000000009223372036854775808
......
111111111111111111111111111111111111111111111111111111111111111018446744073709551614
1111111111111111111111111111111111111111111111111111111111111111 (64)18446744073709551615 (largest unsigned integer)

Return

The decimal value of binary_string

Examples

1

<?

$binary_string1 = "0";
$binary_string2 = "023456789abcdefghijklmnopqrstuvwxyz";

$return1 = bindec($binary_string1);
$return2 = bindec($binary_string2);

echo $return1 . PHP_EOL
. $return2;

0
0

2

<?

$binary_string = "1";

$return = bindec($binary_string);

echo $return;

1

3

<?

$binary_string = "10";

$return = bindec($binary_string);

echo $return;

2

4

<?

$binary_string = "111111111111111111111111111111111111111111111111111111111111110";

$return = bindec($binary_string);

echo $return;

9223372036854775806

5

<?

$binary_string = "111111111111111111111111111111111111111111111111111111111111111";

$return = bindec($binary_string);

echo $return;

9223372036854775807

6

<?

ini_set("precision", 19);

$binary_string = "1000000000000000000000000000000000000000000000000000000000000000";

$return = bindec($binary_string);

echo $return;

9223372036854775808

7

<?

ini_set("precision", 20);

$binary_string = "1111111111111111111111111111111111111111111111111111111111111110";

$return = bindec($binary_string);

echo $return;

18446744073709551616

8

<?

ini_set("precision", 20);

$binary_string = "1111111111111111111111111111111111111111111111111111111111111111";

$return = bindec($binary_string);

echo $return;

18446744073709551616