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decbin

(PHP 4, PHP 5, PHP 7, PHP 8)

decbin — Decimal to binary

Açıklama

decbin(int $num): string

Returns a string containing a binary representation of the given num argument.

Bağımsız Değişkenler

num

Decimal value to convert

Range of inputs on 32-bit machines
positive num negative num return value
0   0
1   1
2   10
... normal progression ...
2147483646   1111111111111111111111111111110
2147483647 (largest signed integer)   1111111111111111111111111111111 (31 1's)
2147483648 -2147483648 10000000000000000000000000000000
... normal progression ...
4294967294 -2 11111111111111111111111111111110
4294967295 (largest unsigned integer) -1 11111111111111111111111111111111 (32 1's)
Range of inputs on 64-bit machines
positive num negative num return value
0   0
1   1
2   10
... normal progression ...
9223372036854775806   111111111111111111111111111111111111111111111111111111111111110
9223372036854775807 (largest signed integer)   111111111111111111111111111111111111111111111111111111111111111 (63 1's)
  -9223372036854775808 1000000000000000000000000000000000000000000000000000000000000000
... normal progression ...
  -2 1111111111111111111111111111111111111111111111111111111111111110
  -1 1111111111111111111111111111111111111111111111111111111111111111 (64 1's)

Dönen Değerler

Binary string representation of num

Örnekler

Örnek 1 decbin() example

<?php
echo decbin(12) . "\n";
echo decbin(26);
?>

Yukarıdaki örneğin çıktısı:

1100
11010

Ayrıca Bakınız