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function file_list($path) {
$handle = opendir($path);
if ($handle) {
while (false !== ($file = readdir($handle))) {
if ($file != "." && $file != "..") {
if (is_dir($path."/".$file)) {
echo "<br /><br /><b>".$path.": ".$file."</b><br />"; //ÏÔʾÎļþ¼Ð·¾¶
file_list($path."/".$file);
} else {
echo $path.": ".$file."<br />"; //ÏÔʾÎļþ·¾¶
}
}
}
}
}
 


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/**
* HTTP Protocol defined status codes
* @param int $num
*/
function https($num) {
$http = array (
100 => "HTTP/1.1 100 Continue",
101 => "HTTP/1.1 101 Switching Protocols",
200 => "HTTP/1.1 200 OK",
201 => "HTTP/1.1 201 Created",
202 => "HTTP/1.1 202 ......

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PHPÖÐstr_replaceº¯ÊýʹÓÃÊý×é

º¯ÊýÔ­ÐÍ£ºmixed str_replace(mixed needle,mixed new_needle,mixed haystack[,int &count]);
      needle£ºÒª±»Ìæ»»µÄ×Ö·û´®£¬new_needle£ºÌæ»»ÓõÄ×Ö·û´®£¬haystack£º²Ù×÷×Ö·û´®£¬count£ºÌæ»»´ÎÊý¡¾¿ÉÑ¡²ÎÊý¡¿
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&n ......

PHP string

<?php
$s = "new string";
//ÏÂÃæË«ÒýºÅ×Ö·û´®ÖеķûºÅ"$"δ×öתÒ壬Òò´Ë$s½«±»Ìæ»»³ÉÆä±äÁ¿µÄÖµ
$str_1 = "Ë«ÒýºÅÖ¸¶¨µÄ×Ö·û´®£¬$s";
//ÏÂÃæË«ÒýºÅ×Ö·û´®ÖеķûºÅ"$"×öÁËתÒ壬Òò´Ë$sÔ­·â²»¶¯£¬²»»á±»Ì滻Ϊ±äÁ¿$sµÄÖµ
$str_2 = "Ë«ÒýºÅÖ¸¶¨µÄ×Ö·û´®£¬\$s";
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$str_3 ......

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