decbin

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

Decimal value to convert

Range of inputs on 32-bit machines

positive number	negative number	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 number	negative number	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)

Binary string representation of number

bindec() -

decoct() -

dechex() -

base_convert() -

printf() -

sprintf() -