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ÇëÇóURL£ºhttp://localhost/test.php?username=alex&pwd=365php
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<?php   
//»ñÈ¡GETÇëÇóÊý¾Ý   
echo $_GET['username']; //Êä³öalex   
echo $_GET['pwd'];      //Êä³ö365php   
?>  
<?php
//»ñÈ¡GETÇëÇóÊý¾Ý
echo $_GET['username']; //Êä³öalex
echo $_GET['pwd']; //Êä³ö365php
?>
¡¾Ê¾Àý¡¿
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<form method="POST">   
Óû§Ãû£º<input type="text" name="uname" /><br />   
ÃÜÂ룺<input type="text" name="pwd" /><br />   
<input type="submit" value="µÇ¼" />   
</form>   
  
<?php   
echo $_POST["uname"];  //Êä³öÓû§ÔÚ±íµ¥ÉÏÊäÈëµÄÓû§Ãû   
echo $_POST["pwd"];  //Êä³öÓû§ÔÚ±íµ¥ÉÏÊäÈëµÄÃÜÂë   
echo $_REQUEST["uname"];  //$_REQUESTÒ²¿ÉÒÔ»ñÈ¡µ½POSTÊý¾Ý   
print_r($_REQUEST);   
?>  
<form method="POST">
Óû§Ãû£º<input type="text" name="uname" /><br />
ÃÜÂ룺<input type="text" name="pwd" /><br />
<input type="submit" value="怬" />
</form>
<?php
echo $_POST["uname"]; //Êä³öÓû§ÔÚ±íµ¥ÉÏÊäÈëµÄÓû§Ãû
echo $_POST["pwd"]; //Êä³öÓû§ÔÚ±íµ¥ÉÏÊäÈëµÄÃÜÂë
echo $_REQUEST["uname"]; //$_REQUESTÒ²¿ÉÒÔ»ñÈ¡µ½POSTÊý¾Ý
print_r($_REQUEST);
?>
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$_SERVER
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<?php
$file = fopen('your file path','r');
while(!feof($file)){ //µ±Ã»ÓжÁÈ¡µ½Îļþ½á⣬¼ÌÐøÑ­»·¶ÁÈ¡²Ù×÷
$line = fgets($file); //¶ÁÈ¡µ½Ò»ÐеÄÄÚÈÝ
echo $line.'<br/>';
}
fclose($file) ......

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class Test { function __construct() { ec ......

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$ip = "1.1.1.255".chr(0)."haha";
if(ereg("^[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}$",$ip)) {
echo $ip;
} else {
echo "unknown";
}
Õâ¸öeregÕýÔòÏÞÖÆÁË$ipµÄÊý¾ÝΪxxx.xxx.xxx.xxxÕâÑùµÄÐÎʽ£¬±íÃæÉÏ¿´ÉÏÃæµÄ´úÂëÓ¦¸ÃÊä³ö"unknown"£¬¶øÊµ¼ÊÈ´Êä³öÁË"1.1.1.255haha"£¬ÒòΪeregº¯Êý´æÔÚNULL½Ø¶Ï ......

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<?php
/* ¶þ½øÖÆÈ¨ÏÞ¿ØÖÆPHPÀà
* ×÷ Õß: ¶à²ËÄñ
* ÓÊ Ïä: kingerq AT QQ DOT com
* À´ Ô´£ºhttp://blog.csdn.net/kingerq/archive/2009/10/22/4714223.aspx
* ´´½¨Ê±¼ä: 2009-10-22
*/
class binPower{

var $power = "";
//ȨÏÞ´æÖü±äÁ¿,Ê®½øÖÆÕûÊý

function __construct($power) ......
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