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is_finite

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

Finds whether a value is a legal finite number

bool is_finite ( float $val )

Checks whether val is a legal finite on this platform.

Parameters:

val

The value to check

Returns:

TRUE if val is a legal finite number within the allowed range for a PHP float on this platform, else FALSE.

See also:

is_infinite() -

Links:

http://php.net/manual/en/function.is-finite.php

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2016-02-24 16:02:29

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