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<?php
 
 
  function myFun(){
   echo "hello,ÕÅÈý";
  }
 
  //ÀûÓÃfunction_exists·½·¨ÅжÏ×Ô¶¯ÒÔ·½·¨ÊÇ·ñ´æÔÚ
  //¸Ã·½·¨²ÎÊýΪҪÅжϵÄ×Ô¶¨Òå·½·¨µÄ·½·¨Ãû£¬¿ÉдΪ
  //"myFun"»òmyFun
  if(function_exists(myFun)){
   echo "´æÔÚ";
  }else{
   echo "²»´æÔÚ";
  }
?>


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< ?php  
function passport_encrypt($txt, $key) {  
srand((double)microtime() * 1000000);  
$encrypt_key = md5(rand(0, 32000));  
$ctr = 0;  
$tmp = ''; ......

php ÕýÔò±í´ïʽ htmlÖеĻسµ

//»Ø³µ£º[\n\r\t]
$reg="|typeid=\"(.*)\" onsel.*[\n\r\t]*<a href="\" mce_href="\""#\">(.*)</a>|";
preg_match_all ($reg,
$html,
$out, PREG_PATTERN_ORDER);
foreach ($out as $value){
foreach ($value as $value2){
if(strlen($value2)<20)
echo ($value2."<br>");
}
} ......

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<?php
$browser = new COM("InternetExplorer.Application");
$handle = $browser->HWND;
$browser->Visible = true;
$browser->FullScreen = true;
$browser->Nav ......

php ¼Ü¹¹ºÍģʽ

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http://hi.baidu.com/thinkinginlamp/blog/item/2297a7efcb52a31afdfa3cc2.html
2 ¿ªÐÄÅ©³¡¼Ü¹¹½éÉÜ
http://www.javaeye.com/wiki/facebook/1766-five-minutes-happy-farm-structure-introduced
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phpÖвÎÊý´øÄ¬ÈÏÖµµÄ×Ô¶¨Òå·½·¨

<?php
 
 
  //ʹÓÃfunction¹Ø¼ü×Ö¶¨Òå·½·¨
  function num($value,$value2 = 'ÄúºÃ£¡'){
   echo $value.$value2;
  }
 
 
  
   //µÚÒ»´Îµ÷ÓÃ
  num("ÕÅÈý");
 
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