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<?php
/*
»ñȡԶ³ÌͼƬº¯Êý
*/
function GrabImage($url,$filename=""){
//ÈôurlΪ¿Õ·µ»Øfalse£¬ÎÞµØÖ·
if($url=="") return false;
//Èô$filenameΪ¿Õ
if($filename=="") {
$ext=strrchr($url,"."); //»ñÈ¡"."¼Óºó׺
if($ext!=".gif"&&$ext!=".jpg"&&$ext!=".png") return false;
$filename=date("YmdHis").$ext;
}
ob_start();
readfile($url);
$img = ob_get_contents();
ob_end_clean();
$size = strlen($img);
$fp2=@fopen($filename,"a");
fwrite($fp2,$img);
fclose($fp2);
return $filename;
}
$img=GrabImage("http://www.google.com/intl/en_ALL/images/logo.gif","logo.gif");
if($img){
echo '<img src="'.$img.'" mce_src="'.$img.'">';
}else{
echo "false";
}
?>


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PHP»ñµÃÀà³£Á¿£¬ÊôÐÔ£¬·½·¨Áбí

<?php
$p=new ReflectionClass(Àà¶ÔÏó);
$constants=$p->getConstants();//const ¶¨Òå³£Á¿
$properties=$p->getProperties();//ËùÓбäÁ¿ÊôÐÔ
$methods=$p->getMethods();//ËùÓз½·¨
//È«²¿ÒÔÊý×éÐÎÊÆ·µ»Ø
?> ......

PHPÎļþº¯Êý´óÈ«

ת×Ô http://wiki.kuaizhanbao.com/2009/1210/245.html
basename — ·µ»ØÂ·¾¶ÖеÄÎļþÃû²¿·Ö
chgrp — ¸Ä±äÎļþËùÊôµÄ×é
chmod — ¸Ä±äÎļþģʽ
chown — ¸Ä±äÎļþµÄËùÓÐÕß
clearstatcache — Çå³ýÎļþ״̬»º´æ
copy — ¿½±´Îļþ
delete — ²Î¼û unlink() »ò unset()
di ......

GyPSii API PHPÓ¦Óóõ̽

GyPSiiÀûÓÃXML-RPC£¬PHPÀïXML-RPCµÄÏà¹ØÓ¦ÓÃʾÀýºÜ¶à£¬²é²éÊֲᡢGOOGLEһϾͿÉÒÔÕÒµ½ºÜ¶à¡£GyPSii APIÀïÌṩÁËÒ»¸ö²Ù×÷ÀàÓÃÀ´ÇëÇó·þÎñ£¬²¢ÌṩÁËÒ»¸öÇëÇóº¯Êý£¬Ö»Òª½«´Ëº¯Êý·Å½ø²Ù×÷ÀàÀ¾Í¿ÉÒÔ·½±ãµÄʹÓÃÁË£¬º¯ÊýÈçÏ£º
function GyPSiiXMLRPC( $uri, $host, $pid, $body="" ) {
$this->addHeader( 'Content-T ......

WinodwsÏÂIIS/Apache+PHP+MySQLµÄ°²×°ÅäÖÃ

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PHP Floating point precision

Floating point precision
It is typical that simple decimal fractions like 0.1
or
0.7
cannot be converted into their internal binary
counterparts without a small loss of precision. This can lead to
confusing
results: for example, floor((0.1+0.7)*10)
will usually
return 7
......
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