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Net_IPv4::validateNetmask()

Net_IPv4::validateNetmask() – 与えられたネットマスクの書式を検証する

Synopsis

require_once 'Net/IPv4.php';

bool validateNetmask ( string $netmask )

Description

ドット区切りに整形されたネットマスクの書式を検証します。 ネットマスクが有効な場合、true を返し、 そうでなければ false を返します。

Note

This function can be called statically.

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