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fdivDivides two numbers, according to IEEE 754


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

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.

Note that in comparisons, NAN will never == or ===, any value, including itself.

Liste de paramètres


The dividend (numerator)


The divisor

Valeurs de retour

The floating point result of num1/num2


Exemple #1 Using fdiv()

(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)

Voir aussi

  • / - Floating-point division
  • intdiv() - Division d'Entier - Integer division
  • fmod() - Retourne le reste de la division - Modulus

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