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<?php $txt = '2.87.116.68:8080 79.130.38.71:4145 79.131.163.165:4145 85.73.26.116:8080 62.103.25.184:35798 94.65.255.158:4145 79.130.222.252:4145 178.147.5.112:4145 79.106.108.102:4145 79.106.165.238:39983 185.120.38.103:4145 80.90.88.147:32850 79.106.108.110:57960 79.106.165.30:50194 79.106.34.26:4145 79.106.35.197:1080 80.78.70.9:4145 185.188.216.93:4145 91.187.116.232:53526 185.85.152.241:58083 95.107.199.90:4145 37.26.85.98:4145 185.33.34.76:51604 185.85.152.243:1080 178.132.218.126:4145 80.78.73.58:4145 77.247.88.10:41757 91.187.116.232:53526 37.26.85.98:4145 79.106.115.105:4145 79.106.108.102:4145 79.106.165.238:39983 185.120.38.103:4145 80.90.88.147:32850 79.106.165.30:50194 79.106.108.110:57960 80.78.70.9:4145 79.106.35.197:1080 79.106.34.26:4145 185.188.216.93:4145 46.190.47.253:4145 85.74.89.216:4145 2.87.116.68:8080 79.130.38.71:4145 79.131.163.165:4145 85.73.26.116:8080 62.103.25.184:35798 94.65.255.158:4145'; $file = preg_split("/[\s,]+/", $txt); sort($file); var_dump(count($file)); $file = array_unique($file); var_dump(count($file));