Current Location: Home> Function Categories> is_nan

is_nan

Determine whether it is a legal value
Name:is_nan
Category:math
Programming Language:php
One-line Description:Determine whether it is a legal value.
Related
Similar Functions
  • Determine whether it is a finite value is_finite

    is_finite

    Determinewhetheritis
  • Cosine cos

    cos

    Cosine
  • Further method to sort ceil

    ceil

    Furthermethodtosort
  • Inverse hyperbolic sine asinh

    asinh

    Inversehyperbolicsin
  • Generate better random numbers mt_rand

    mt_rand

    Generatebetterrandom
  • Exponential expressions pow

    pow

    Exponentialexpressio
  • Leave the method of sorting floor

    floor

    Leavethemethodofsort
  • Returns the remainder of the floating point number of division fmod

    fmod

    Returnstheremaindero
Popular Articles