1.用0到9十个数字构造一个二级目录,每个目录名字有2位数字如00/79并把所有的目录打印出来? 1.用0到9十个数字构造一个二级目录,每个目录名字有2位数字如00/79并把所有的目录打印出来?lamp 解决方案 » 免费领取超大流量手机卡,每月29元包185G流量+100分钟通话, 中国电信官方发货 <?php$tmp = range(0,99);$res = array();foreach($tmp as $val){ if($val < 10){ array_push($res,'0'.$val); }else{ array_push($res,$val); }}print_r($res);?>#结果:Array ( [0] => 00 [1] => 01 [2] => 02 [3] => 03 [4] => 04 [5] => 05 [6] => 06 [7] => 07 [8] => 08 [9] => 09 [10] => 10 [11] => 11 [12] => 12 [13] => 13 [14] => 14 [15] => 15 [16] => 16 [17] => 17 [18] => 18 [19] => 19 [20] => 20 [21] => 21 [22] => 22 [23] => 23 [24] => 24 [25] => 25 [26] => 26 [27] => 27 [28] => 28 [29] => 29 [30] => 30 [31] => 31 [32] => 32 [33] => 33 [34] => 34 [35] => 35 [36] => 36 [37] => 37 [38] => 38 [39] => 39 [40] => 40 [41] => 41 [42] => 42 [43] => 43 [44] => 44 [45] => 45 [46] => 46 [47] => 47 [48] => 48 [49] => 49 [50] => 50 [51] => 51 [52] => 52 [53] => 53 [54] => 54 [55] => 55 [56] => 56 [57] => 57 [58] => 58 [59] => 59 [60] => 60 [61] => 61 [62] => 62 [63] => 63 [64] => 64 [65] => 65 [66] => 66 [67] => 67 [68] => 68 [69] => 69 [70] => 70 [71] => 71 [72] => 72 [73] => 73 [74] => 74 [75] => 75 [76] => 76 [77] => 77 [78] => 78 [79] => 79 [80] => 80 [81] => 81 [82] => 82 [83] => 83 [84] => 84 [85] => 85 [86] => 86 [87] => 87 [88] => 88 [89] => 89 [90] => 90 [91] => 91 [92] => 92 [93] => 93 [94] => 94 [95] => 95 [96] => 96 [97] => 97 [98] => 98 [99] => 99 ) 如果不止两级,那就需要多一此处理了。// 递归目录名,理论上支持无限级目录,max是数字最大值function loopNames($level, $max){ static $data; static $name; for($i = 0; $i <= $max; $i++) { if ($level > 0) { $name[$level] = sprintf("%02d", $i); loopNames($level - 1, $max); } else { $data[] = implode('/', $name); break; } } return $data;}set_time_limit(0);$t1 = microtime(true);$names = loopNames(2, 99);echo microtime(true) - $t1;print_r($names);// 输出结果10000条/*4.5159900188446Array( [0] => 00/00 [1] => 00/01 [2] => 00/02 [3] => 00/03 [4] => 00/04 [5] => 00/05 [6] => 00/06 [7] => 00/07 [8] => 00/08 [9] => 00/09 [10] => 00/10 [11] => 00/11 [12] => 00/12 [13] => 00/13 [14] => 00/14 [15] => 00/15 [16] => 00/16 [17] => 00/17 [18] => 00/18 [19] => 00/19...*/ 该题如果使用mkdir()应该怎样做,给点思路 关于将txt内容显示在网页上的问题。 PHP的单双引号 date()函数 得到的分钟数差了39分钟。 php验证码问题! ubantu 下如何测试编写的php网页 怎样做一个统计别的网站链接到我们网站的程序呢?进来说说!~谢谢~ 急!帮我看看这个问题 为什么Php4与MySql总是连不上?请救救我!20分奉献! 想要重现高负载下的session丢失(文件存储session) 无限极分类失败 在php中拼的sql语句 php 简单的cookie问题~~
<?php
$tmp = range(0,99);
$res = array();
foreach($tmp as $val){
if($val < 10){
array_push($res,'0'.$val);
}else{
array_push($res,$val);
}
}
print_r($res);
?>
#结果:
Array ( [0] => 00 [1] => 01 [2] => 02 [3] => 03 [4] => 04 [5] => 05 [6] => 06 [7] => 07 [8] => 08 [9] => 09 [10] => 10 [11] => 11 [12] => 12 [13] => 13 [14] => 14 [15] => 15 [16] => 16 [17] => 17 [18] => 18 [19] => 19 [20] => 20 [21] => 21 [22] => 22 [23] => 23 [24] => 24 [25] => 25 [26] => 26 [27] => 27 [28] => 28 [29] => 29 [30] => 30 [31] => 31 [32] => 32 [33] => 33 [34] => 34 [35] => 35 [36] => 36 [37] => 37 [38] => 38 [39] => 39 [40] => 40 [41] => 41 [42] => 42 [43] => 43 [44] => 44 [45] => 45 [46] => 46 [47] => 47 [48] => 48 [49] => 49 [50] => 50 [51] => 51 [52] => 52 [53] => 53 [54] => 54 [55] => 55 [56] => 56 [57] => 57 [58] => 58 [59] => 59 [60] => 60 [61] => 61 [62] => 62 [63] => 63 [64] => 64 [65] => 65 [66] => 66 [67] => 67 [68] => 68 [69] => 69 [70] => 70 [71] => 71 [72] => 72 [73] => 73 [74] => 74 [75] => 75 [76] => 76 [77] => 77 [78] => 78 [79] => 79 [80] => 80 [81] => 81 [82] => 82 [83] => 83 [84] => 84 [85] => 85 [86] => 86 [87] => 87 [88] => 88 [89] => 89 [90] => 90 [91] => 91 [92] => 92 [93] => 93 [94] => 94 [95] => 95 [96] => 96 [97] => 97 [98] => 98 [99] => 99 )
// 递归目录名,理论上支持无限级目录,max是数字最大值
function loopNames($level, $max)
{
static $data;
static $name; for($i = 0; $i <= $max; $i++)
{
if ($level > 0)
{
$name[$level] = sprintf("%02d", $i);
loopNames($level - 1, $max);
}
else
{
$data[] = implode('/', $name);
break;
}
}
return $data;
}set_time_limit(0);
$t1 = microtime(true);
$names = loopNames(2, 99);
echo microtime(true) - $t1;
print_r($names);
// 输出结果10000条
/*
4.5159900188446
Array
(
[0] => 00/00
[1] => 00/01
[2] => 00/02
[3] => 00/03
[4] => 00/04
[5] => 00/05
[6] => 00/06
[7] => 00/07
[8] => 00/08
[9] => 00/09
[10] => 00/10
[11] => 00/11
[12] => 00/12
[13] => 00/13
[14] => 00/14
[15] => 00/15
[16] => 00/16
[17] => 00/17
[18] => 00/18
[19] => 00/19
...
*/