(PHP 4, PHP 5, PHP 7)
pfsockopen — 锟斤拷一锟斤拷锟街久碉拷锟斤拷锟斤拷锟斤拷锟接伙拷锟斤拷Unix锟阶斤拷锟斤拷锟斤拷锟接★拷
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[, int $port = -1
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[, float $timeout = ini_get("default_socket_timeout")
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锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟较拷锟斤拷锟轿匡拷fsockopen()锟斤拷锟侥碉拷锟斤拷