is_infinite
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
← is_finite
is_nan →
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