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is_writable("config.php");
is_writable() ¼ì²éÎļþÊÇ·ñ¿Éд£¬ÓÃÀ´ÅжÏÎļþȨÏÞ£¬
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install.php //°²×°Îļþ
<?php
$config_files = "./config.php";
if (is_writable($config_files)) {
 echo "<font color=green>¿Éд</font><br/>";
} else {
 echo "<font color=red>$config_files²»¿Éд</font>";
 exit;
}
if ($_POST["install"]) {
 $db_host = $_POST["db_host"];
 $db_user = $_POST["db_user"];
 $db_pass = $_POST["db_pass"];
 $db_dbname = $_POST["db_dbname"];
 $db_prefix = $_POST["db_prefix"];
 $config_str = '<?php';
 $config_str .= "\n";
 $config_str .= '$mysql_host     = "' . $db_host . '";';
 $config_str .= "\n";
 $config_str .= '$mysql_user     = "' . $db_user . '";';
 $config_str .= "\n";
 $config_str .= '$mysql_pass     = "' . $db_pass . '";';
 $config_str .= "\n";
 $config_str .= '$mysql_dbname     = "' . $db_dbname . '";';
 $config_str .= "\n";
 $config_st


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¡¡¡¡Ìí¼Ó£º$exec="insert into tablename (item1,item2) values ('".$_POST['item1']."',".$_POST['item1'].")";
¡¡¡¡É¾³ý£º$exec="delete from tablename where...";
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ubuntu Ï ´î½¨ apache+php+mysql


#apt-get install apache2
//°²×°apahce2
#apt-get install php5
//°²×°php5
#apt-get install mysql-server
//°²×°mysql·þÎñ¶Ë
#apt-get install  mysql-myclient
//°²×°mysqlµÄ¿Í»§¶Ë
#apt-get install php-mysql
//°²×°php-mysqlµÄÁ¬½á
apache+php+mysql »·¾³ÒѾ­´î½¨ºÃÁË
½«ÒÔϵķþÎñÖØÆôÒ»ÏÂ
#/et ......

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//ÐÂÎÅÄÚÈÝ·ÖÒ³¿ªÊ¼ The page next for news content start
$nextpage="<!--{nextpage}-->";//·ÖÒ³±êʾ.
$content=explode($nextpage,$content);
$sum=count($content);
$mpurl=$_SERVER['PHP_SELF']."?newsid ......

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PHPɾ³ý·Ç¿ÕĿ¼º¯Êý

<?php
function remove_directory($dir) {
  if ($handle = opendir("$dir")) {
   while (false !== ($item = readdir($handle))) {
     if ($item != "." && $item != "..") {
      ......
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