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¡¡¡¡PHP ÖУ¬ÎÒÃÇ¿ÉÒÔʹÓó£Á¿ __FILE__ À´»ñÈ¡µ±Ç°±»Ö´Ðнű¾µÄÍêÕû·¾¶¡£
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¡¡¡¡ÈçÏÂÃæµÄ´úÂ룬ÎÒÃǽ«´ËÎļþ±£´æÔÚ D:\WWWRoot\fileTest.php£º
<?php
$fileURI = __FILE__;
echo "The URI of this file is " . $fileURI;
?>
µ±ÎÒÃÇÖ´ÐеÄʱºò£¬³ÌÐò»áÊä³ö "D:\WWWRoot\fileTest.php" £»
µ±ÎÒÃÇÓÃÁíÒ»¸öÎļþÒýÓÃËü£º
<?php
include_once "./fileTest.php";
?>
ÎÒÃÇͬÑù»áµÃµ½Êä³ö½á¹û£º "D:\WWWRoot\fileTest.php" £»
ÎÒÃÇ»ñÈ¡ÁËÎļþµÄ·¾¶ºó£¬¾Í¿ÉÒÔʹÓà basename À´»ñÈ¡ÎļþÃûÁË£º
<?php
$fileURI = __FILE__;
$fullName = basename($fileURI);
$mainName = basename($fileURI, ".php");
echo "My Location is " . $fileURI . "<br />" .
"My full name is " . $fullName . "<br />" .
"My main name is " . $mainName . "<br />";
?>
¡¡¡¡Ê¹Óà basename($uriString) ÎÒÃÇ¿ÉÒԵõ½Ò»¸ö°üº¬À©Õ¹ÃûµÄÎļþÃû£»
¡¡¡¡Èç¹û²»ÐèÒªÀ©Õ¹Ãû£¬Ò²¿ÉÒÔʹÓà basename($uriString, $extString) ¹ýÂËÀ©Õ¹Ãû£¬½ö½ö·µ»ØÎļþÃû¡£


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/*******************************¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡
¡¡*¡¡ ÓÃÀ´ÅжÏÊÇ·ñÈòÄêµÄº¯Êý¡¡¡¡*¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡
¡¡*¡¡ ¿ÉÒÔ¸ù¾Ý¸ü¸´ÔÓµÄËã·¨¸Ä½ø¡¡*¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡ ......

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PHPµÄ½Å±¾ÊÇÎļþÖÐÒ»¶ÔÌØÊâ±ê¼ÇËù°üÀ¨µÄÄÚÈÝ£¬ÈçASPÊÇ“<%....%>”,PHP¿É¿´³ÉÊÇ“<?...?>”¡£
È»¶øÎªÁËÊÊÓ¦XML±ê×¼ÒÔ½«PHPǶÈëµ½XML»òXHTMLÖУ¬PHP²»½¨ÒéʹÓö̸ñʽµÄ“<?...?>”£¬¶ø½¨ÒéʹÓó¤¸ñʽ±ê¼Ç“<?php...?>”
´ËÍâPHP´úÂ ......

PHP: How to Get the Current Page URL

Sometimes, you might want to get the current page URL that is shown
in the browser URL window. For example if you want to let your visitors
submit a blog post to Digg you need to get that same exact URL. There
are plenty of other reasons as well. Here is how you can do that.
Add the followin ......

PHPѧϰ±Ê¼Ç

1£ºint strposº¯ÊýµÄ×÷ÓúÍCÓïÑÔÖеÄchar *strstr()Ò»Ñù
2£ºhtmlspecialchars()£¬½«ÌØÊâ×Ö·ûת»¯ÎªHTMLʵÌå(entity)
3£ºPHPÖ÷ÒªÓÃÓÚÒÔÏÂÈý¸öÁìÓò£º
   1>£º·þÎñÆ÷¶Ë½Å±¾  2>£ºÃüÁîÐнű¾  3>£º±àд×ÀÃæÓ¦ÓóÌÐò
4£ºphp²¢ÖÃÔËËã·û(.)½«Á½¸ö×Ö·û´®Á¬½ÓÆðÀ´
5£ºphpµÄ×¢ÊͺÍCÓïÑÔµÄ×¢ÊÍÒ»Ñù¡ ......

PHP ¶ÁÈ¡µØÖ·À¸ ²ÎÊý


1.  $_GET
£º
http://localhost/a.php?a=ok  
   
  <?  
  echo  
$_GET['a'];   //ÏÔʾ"ok"  
  ?>
2.  $_SERVER['QUERY_STRING']
http://localhost/a.php?a=1&b=2&c=3  
   
  ......
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