PHP scandir() º¯Êý

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<?php
$dir = "/images/";

// ÒÔÉýÐòÅÅÐò - ĬÈÏ
$a = scandir($dir);

// ÒÔ½µÐòÅÅÐò
$b = scandir($dir,1);

print_r($a);
print_r($b);
?>

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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] => .
)

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scandir(directory,sorting_order,context);
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directory ±ØÐè¡£¹æ¶¨ÒªÉ¨ÃèµÄĿ¼¡£
sorting_order

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context ¿ÉÑ¡¡£¹æ¶¨Ä¿Â¼¾ä±úµÄ»·¾³¡£context ÊÇ¿ÉÐÞ¸ÄĿ¼Á÷µÄÐÐΪµÄÒ»Ì×Ñ¡Ïî¡£

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Èç¹û directory ²»ÊÇĿ¼£¬ÔòÅ׳ö E_WARNING ¼¶±ðµÄ´íÎó¡£

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PHP ¸üÐÂÈÕÖ¾£º PHP 5.4£ºÐÂÔö sorting_order ³£Á¿¡£
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