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PHP5中文手册
gethostbyname(PHP 4, PHP 5) gethostbyname — Get the IP address corresponding to a given Internet host name 说明
string gethostbyname
( string $hostname
)
Returns the IP address of the Internet host specified by hostname . 参数
返回值Returns the IP address or a string containing the unmodified hostname on failure. 范例
Example#1 A simple gethostbyname() example
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