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1.Ê×ÏÈÎÒÃÇ¿ªÊ¼ÅжÏÎļþÀàÐÍÊÇ·ñΪͼƬÀàÐÍ
Óõ½µÄº¯Êý
{
strrchr:²éÕÒ×Ö·û´®ÔÚÁíÒ»¸ö×Ö·û´®ÖÐ×îºóÒ»´Î³öÏÖµÄλÖ㬲¢·µ»Ø´Ó¸ÃλÖõ½×Ö·û´®½áβµÄËùÓÐ×Ö·û¡£
substr: È¡²¿·Ý×Ö·û´®¡£
$HTTP_POST_FILES['file']['name']:»ñÈ¡µ±Ç°ÉÏ´«µÄÎļþÈ«³Æ¡£
}
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<?
function type()
{
return substr(strrchr($HTTP_POST_FILES['file']['name'],'.'),1);
}
?>
2.ÈôÊÇÔòÉÏ´«Îļþ£¬È»ºóÖØÃüÃûÎļþ
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{
strtolower:°Ñ×Ö·û´®µÄ×Öĸȫ²¿×ª»»ÎªÐ¡Ð´×Öĸ.
in_array£º º¯ÊýÔÚÊý×éÖÐËÑË÷¸ø¶¨µÄÖµ¡£
implode£ºº¯Êý°ÑÊý×éÔªËØ×éºÏΪһ¸ö×Ö·û´®
random:Ëæ»úÉú³ÉµÄÊý
$_FILES['userfile']['name']:ÉÏ´«ÎļþÃû³Æ
$uploaddir£º×Ô¼º¶¨ÒåµÄ±äÁ¿¡£±ÈÈçÔÚͬһ¸öÎļþ¼ÐÀïÃæ£¬ÄãÏë°ÑÉÏ´«µÄÎļþ·Åµ½Õâ¸öÎļþ¼ÐµÄFILEÎļþ¼ÐÏ£¬Äã¿ÉÒÔÕâÑù¶¨Òå$uploaddir="./file/"£»×¢Òâд·¨
}
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Ïȶ¨ÒåÔÊÐíÉÏ´«ÎļþµÄÀàÐÍÊý×飺$type=array("jpg","gif","bmp","jpeg","png");
µÚ¶þÓÃÒ»¸öIF¡£¡£else¡£¡£Ð´Ò»¸öÅжÏÎļþºÏ·¨ÐԵĿØÖÆÁ÷Óï¾ä¡£
if(!in_arry(strtolower(type()),$type))//Èç¹û²»´æÔÚÄÜÉÏ´«µÄÀàÐÍ
{
$text=implode('.',$type);
echo "ÄúÖ»ÄÜÉÏ´«ÒÔÏÂÀàÐÍÎļþ: ",$text,"<br>";
}
ÏÂÃæ¾ÍÊǸøËûÃÇÖØÐÂÃüÃûÁË,
else
{
$filename=explode(".",$_FILES['userfile']['name']);//°ÑÉÏ´«µÄÎļþÃûÒÔ“
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<?php
class Book{
static $num=0;
public function showme(){
echo 'ÄúÊǵÚ'.self::$num.'λ·Ã¿Í';
self::$num++;
......
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; PHP's initialization file, generally called php.ini, is responsible for
; configuring many of the aspects of PHP's behavior.
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