Você procurou por: float (Coreano - Inglês)

"float"
string $arr[ col]["length"]

dim variable as float
dim variable as float

returns the float value of var.
var may be any scalar type.

action for locking float items on the map
sun control...

f float (machine dependent size and representation)
f float (machine dependent size and representation)

(real), (double), (float) - double형으로 cast
(string) - cast to string

숫자의 절대값을 반환한다. 인자로 온 숫자가 float 형이면 반환 타입도 역시 float 이며, 이는 다른 형에 대해서도 동일하다.
$abs = abs( -4.2); / / $abs = 4.2; (double / float) $abs2 = abs(5); / / $abs2 = 5; (integer) $abs3 = abs(-5); / / $abs3 = 5; (integer)

array_sum() returns the sum of values in an array as an integer or float.
array_sum() returns the sum of values in an array as an integer or float.

scalar variables are those containing an integer, float, string or boolean. types array, object and resource or not scalar.
types array, object and resource or not scalar.

returns true if val is infinite (positive or negative), like the result of log(0) or any value too big to fit into a float on this platform.
returns true if val is infinite (positive or negative), like the result of log(0) or any value too big to fit into a float on this platform.

an optional precision specifier that says how many decimal digits should be displayed for floating-point numbers. this option has no effect for other types than float. (another function useful for formatting numbers is number_format().)
u - the argument is treated as an integer, and presented as an unsigned decimal number.