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PHP: is_finite - Manual
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is_infinite" width="11" height="7"/> <hypot
Last updated: Wed, 01 Nov 2006
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is_finite

(PHP 4 >= 4.2.0, PHP 5)

is_finite -- 値が有限の数値であるかどうかを判定する

説明

bool is_finite ( float val )

val が このプラットフォーム上の PHP の float 型の範囲内の数である場合に TRUE を返します。

is_infinite() および is_nan() も参照ください。



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is_infinite" width="11" height="7"/> <hypot
Last updated: Wed, 01 Nov 2006
 
 
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