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<?php
$filename = "/somepath/".$_GET['file'].".txt";    //ÒªÏÂÔØµÄÎļþÃû
 
header("Content-Type: application/force-download");
header("Content-Disposition: attachment; filename=".basename($filename)); 
readfile($filename);
 
?>
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PHP header() examples ÍêÕû´úÂë


/*** Function: PHP header() examples (PHP)
**
Desc: Some examples on how to use the header() function of PHPYou find
a detailed tutorial at expertsrt.com (English) or at ffm.junetz.de
(German).These is also a good help about caching at web-caching.com.
**
Example: see below.
&lt;br/& ......

¹úÄÚPHP¿ªÔ´½¨Õ¾³ÌÐòÒ»ÀÀ ÄÏÈý·½

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³ÉΪPHP¸ßÊÖµÄÎå¸öÃØ¼® ÄÏÈý·½

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PHPÉú³ÉwordÎĵµ

<?PHP
$word = new COM("word.application") or die("Can't start Word!");
// print the version of Word that's now in use
echo "Loading Word, v. {$word->Version}";
// set the visibility of the application to 0 (false)
// to open the application in the forefront, use 1 (true)
$word->Visibl ......

ѧϰPHP ÒýÓ÷µ»Ø ÒÔ&¿ªÍ·µÄº¯Êý µÄºÃÀý×Ó

<?php
$a = 1;
function b(&$c)
{
$c++;
return $c;
}
$d=b($a); // d = 2; a = 2;
$d++; // d = 2;
echo($a); // ÏÔʾ2
?>
ÒýÓ÷µ»Ø:
<?php
$a = 1;
function &b(&$c)
{
$c++;
return $c;
}
$d=b($a); // ×¢ÒâÕâÀï dÓëb·µ»ØµÄÖµ(È·ÇÐÀ´Ëµ, ÕâÀï·µ»ØµÄ² ......
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