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Latest Version [8.00202205221] Last Updated [May-22-2022]

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PHP Manual [is_infinite]

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PHP Manual || Math Functions

(PHP 4 >= 4.2.0, PHP 5, PHP 7)

is_infiniteFinds whether a value is infinite

Description

is_infinite ( float $val ) : bool

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.

Parameters

val

The value to check

Return Values

TRUE if val is infinite, else FALSE.

See Also

  • is_finite() - Finds whether a value is a legal finite number
  • is_nan() - Finds whether a value is not a number



PHP Manual || Math Functions