解析oui文件，做一个Mac网卡制造商查询工具

php代码

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<?php
/**
 * @Author: hzwangzhiwei
 * @Date:   2015-09-15 13:16:36
 * @Last Modified by:   hzwangzhiwei
 * @Last Modified time: 2015-09-15 13:53:20
 */

$file = fopen("oui.txt", "r") or exit("Unable to open file!");
$cnt = 0;
$mac_dict = array();
while(!feof($file)) {
	$line = fgets($file);
	if(preg_match("/^[0-9A-Z]{6}/", $line)){    
    	//&#39564;&#35777;&#36890;&#36807;
    	$cnt ++;
    	//1. &#35299;&#26512;&#20986;mac&#21069;24&#20301;
    	$tmp = explode("\t\t", $line);
    	$mac_24 = explode("    ", $tmp[0])[0];
    	if (array_key_exists($mac_24, $mac_dict)) {
	    	//2. &#35299;&#26512;&#20986;&#20844;&#21496;&#21517;&#23383;
	    	echo $mac_24 . "
";
	    	$company = $tmp[1];
	    	$mac_dict[$mac_24]['com'] = $mac_dict[$mac_24]['com'] . '/ ' . $company;

	    	//3. &#36825;&#19968;&#34892;&#20026;&#20844;&#21496;&#22320;&#22336;
	    	$mac_dict[$mac_24]['ad'] = $mac_dict[$mac_24]['ad'] . '/ ' . fgets($file);
	    	//4. &#36825;&#19968;&#34892;&#20026;&#20844;&#21496;&#25152;&#22312;&#22823;&#21306;&#22495;&#19982;&#20195;&#21495;
			$mac_dict[$mac_24]['re'] = $mac_dict[$mac_24]['re'] . '/ ' . fgets($file);
	    	//5. &#36825;&#19968;&#34892;&#20026;&#20026;&#22269;&#21035;&#20195;&#21495;
	    	$mac_dict[$mac_24]['co'] = $mac_dict[$mac_24]['co'] . '/ ' . fgets($file);
    	}
    	else {
    		$mac_dict[$mac_24] = array();

	    	//2. &#35299;&#26512;&#20986;&#20844;&#21496;&#21517;&#23383;
	    	$company = $tmp[1];
	    	$mac_dict[$mac_24]['com'] = $company;

	    	//3. &#36825;&#19968;&#34892;&#20026;&#20844;&#21496;&#22320;&#22336;
	    	$mac_dict[$mac_24]['ad'] = fgets($file);
	    	//4. &#36825;&#19968;&#34892;&#20026;&#20844;&#21496;&#25152;&#22312;&#22823;&#21306;&#22495;&#19982;&#20195;&#21495;
			$mac_dict[$mac_24]['re'] = fgets($file);
	    	//5. &#36825;&#19968;&#34892;&#20026;&#20026;&#22269;&#21035;&#20195;&#21495;
	    	$mac_dict[$mac_24]['co'] = fgets($file);
    	}
		

	} else{
		//&#36339;&#36807;
	}
}
echo $cnt;
echo '====';
echo count(array_keys($mac_dict));

fclose($file);

$serialize = serialize($mac_dict);
file_put_contents('oui.dict', $serialize);

$d = unserialize(file_get_contents('oui.dict'));
echo count(array_keys($d));

print_r($d['080030']);
echo "-----";