使用PHP批量生成随机用户名

 1   
 2/* 从字典文件中提取随机值 */ 
 3
 4$file1 = "./Words.dic";   
 5$file2 = "./common_pass_mini.dic";   
 6$file3 = "./Sys_Month_Date.Dic";   
 7$rfile = "./5.dic";   
 8$n = 2000; 
 9
10//提取字典   
11$basef = file($file1);   
12$extf = file($file2);   
13$extf2 = file($file3);   
14$bf_sum = (count($basef)-1);   
15$ef_sum = (count($extf)-1);   
16$ef2_sum =(count($extf2)-1); 
17
18//获取随机用户名   
19for ($i=0; $i<$n; $i++)   
20{   
21$bn = crand(0, $bf_sum);   
22$en = crand(0, $ef_sum);   
23$en2 = crand(0, $ef2_sum);   
24$name = $basef[$bn]."_".$extf[$en];   
25$name = str_replace("\r\n", "", $name);   
26$all_name[] = $name;   
27} 
28
29//写入文件   
30$result = implode("\r\n", $all_name);   
31$fp = fopen($rfile, "a+") or die('Open $rfile failed');   
32if (fwrite($fp, $result)) {   
33echo 'Write user succeed!';   
34} else {   
35echo 'Write user failed';   
36} 
37
38//生成随机数字函数   
39function crand($start, $end)   
40{   
41return mt_rand($start, $end);   
42}   

 1   
 2/* 合并所有生成结果 knowsky.com*/ 
 3
 4$result_file = "./result.dic"; 
 5
 6$fp = fopen($result_file, "a+") or die("Open $result_file failed"); 
 7
 8//合并 1.dic ~ 5.dic   
 9for ($i=1; $i<=5; $i++)   
10{   
11$cur_file = file_get_contents($i.".dic");   
12fwrite($fp, $cur_file);   
13} 
14
15//合并 10.dic ~ 11.dic   
16for ($i=10; $i<=11; $i++)   
17{   
18$cur_file = file_get_contents($i.".dic");   
19fwrite($fp, $cur_file);   
20}   
21fclose($fp);   
22echo 'Write Succeed'; 

 1   
 2/* 生成最终结果 */ 
 3
 4$file = "./result.dic";   
 5$target = "./target.dic"; 
 6
 7//去掉重复值   
 8$files = file($file);   
 9$files = array_unique($files); 
10
11//判断值是不是大于6位小于16位   
12$sum = count($files);   
13for ($i=0; $i<$sum; $i++)   
14{   
15if (strlen($files[$i])>=6 && strlen($files[$i])<=16) {   
16$rs[] = $files[$i];   
17} else {   
18continue;   
19}   
20} 
21
22//写入目标文件   
23$result = implode("", $rs);   
24$fp = fopen($target, "a+") or die("Open $target failed");   
25fwrite($fp, $result);   
26echo 'Write succeed';