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$file = fopen('your file path','r');
while(!feof($file)){ //µ±Ã»ÓжÁÈ¡µ½Îļþ½á⣬¼ÌÐøÑ»·¶ÁÈ¡²Ù×÷
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}
fclose($file) ......
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if(ereg("^[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}$",$ip)) {
echo $ip;
} else {
echo "unknown";
}
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or die('Could not connect: ' . pg_last_error());
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