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PHP is_infinite

PHP original manual for is_infinite [ show | php.net ]

is_infinite

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

is_infinite — Finds whether a value is infinite

Description

bool is_infinite ( float $val )

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