Funguo ya PHP scandir()
Mifano
Kuonyesha mifaa na kifaa kwenye kifaa cha images:
<?php $dir = "/images/"; // Ikiwe na kielewa kwa msingi - kwa ujumbe $a = scandir($dir); // 以降序排序 $b = scandir($dir,1); print_r($a); print_r($b); ?>
结果:
Array ( [0] => . [1] => .. [2] => cat.gif [3] => dog.gif [4] => horse.gif [5] => myimages ) Array ( [0] => myimages [1] => horse.gif [2] => dog.gif [3] => cat.gif [4] => .. [5] => . )
定义和用法
scandir() 函数返回指定目录中的文件和目录的数组。
语法
scandir(directory,sorting_order,context);
参数 | 描述 |
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directory | 必需。规定要扫描的目录。 |
sorting_order |
可选。规定排列顺序。默认是 0,表示按字母升序排列。 如果设置为 SCANDIR_SORT_DESCENDING 或者 1,则表示按字母降序排列。 Ikiwa inasababisha SCANDIR_SORT_NONE, inatoa matokeo ya kina. |
context | Inahitaji. Inasababisha kina kwa sababu ya kina ya directory.context Ni kikamilifu cha chaguo ambacho kinachoweza kumwambia habari ya kina kwa sababu ya kusoma directory. |
Maelezo ya Teknolojia
Matokeo: |
Ikiwa inafanyika, inatoa orodha ya file na directory. Kama inafaliwa, inatoa FALSE. Ikiwa directory Hii inakosa kwa sababu ya kina, inakosa kwa daraja la E_WARNING. |
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Matokeo ya PHP: | 5.0+ |
Mifungo ya PHP: Taarifa ya Mfanyiko | PHP 5.4: Inafichwa sorting_order Mafungo. |