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PHPµÄÈÕÆÚʱ¼äº¯Êýdate()

PHPµÄÈÕÆÚʱ¼äº¯Êýdate()
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echo date('y-n-j');
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echo date('Y-M-j');
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echo date('Y-m-d');
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function delfile($dir)
{
if (is_dir($dir))
{
$dh=opendir($dir);
while (false !== ( $file = readdir ($dh)))
{
if($file!="." && $file!="..")
{
$fullpath=$dir."/".$file;
if(!is_dir($fullpath))
{
unlink($fullpath);
} ......

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ĿǰLAMP (Linux + Apache + MySQL + PHP) ½ü¼¸ÄêÀ´·¢Õ¹Ñ¸ËÙ£¬ÒѾ­³ÉΪWeb ·þÎñÆ÷µÄÊÂʵ±ê×¼¡£LAMP 
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PHPÖеÄstristr()£¬strstr()£¬strpos()ËٶȱȽÏ

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<?php
function getmicrotime()
{
list($usec, $sec) = explode(" ",microtime());
return ((float)$usec + (float)$sec);
}
......
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