fdiv()

fdiv() — Divides two numbers, according to IEEE 754.

Built-in function of PHP 8.5. The manual lists it as available in PHP 8. This page is the reference card: signature, parameters and return value, plus the changelog and the example the manual provides.

What it does

Returns the floating point result of dividing the num1 by the num2. If the num2 is zero, then one of INF, -INF, or NAN will be returned.

Signature

fdiv(float $num1, float $num2): float

Parameters

ParameterTypeWhat it takes
$num1floatThe dividend (numerator)
$num2floatThe divisor

Return value

The floating point result of num1/num2

Example

A runnable snippet:

var_dump(fdiv(5.7, 1.3)); // float(4.384615384615385) var_dump(fdiv(4, 2)); // float(2) var_dump(fdiv(1.0, 0.0)); // float(INF) var_dump(fdiv(-1.0, 0.0)); // float(-INF) var_dump(fdiv(0.0, 0.0)); // float(NAN)

See also

intdiv(), fmod(), fpow()

All PHP 8.5 built-in functions

Reference card built from the PHP manual page fdiv() (PHP documentation, CC BY 3.0). The page is generated from the manual, so the wording of the parameter and return value text follows php.net.