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	<title>big-endian - 四号程序员</title>
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		<title>解决PHP中long2ip反序的问题</title>
		<link>https://www.coder4.com/archives/550</link>
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		<pubDate>Wed, 10 Mar 2010 06:12:21 +0000</pubDate>
				<category><![CDATA[PHP]]></category>
		<category><![CDATA[big-endian]]></category>
		<category><![CDATA[little-endian]]></category>
		<category><![CDATA[long2ip]]></category>
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					<description><![CDATA[原因是：php中没有考虑主机序和网络序的转换，导致主机序为little-endian的机器上，long2ip()得到的IP反了。 下面是解决办法，我们自己判断little-endian和big-endian： [php] function long2ip_fix($ip_32) { $ip = long2ip($ip_32); //先判断是big-endian还是little-endian $foo = 0x3456789a; switch (pack ('L', $foo)) {[......] 继续阅读]]></description>
		
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