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<?php define("host","localhost"); define("port","3306"); define("user","root"); define("pwd","root2"); define("dbname","text23");

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<?php //1.讀取配置文件的信息 $info = file_get_contents("dbcongfig.php"); $keyinfo = array("host"=>"主機","port"=>"端口","user"=>"賬號","pwd"=>"密碼","dbname"=>"數據庫",); //2.使用正則表達式解析配置文件的信息 .任意字符 * 任意數量 ?拒絕貪婪匹配 preg_match_all("/define\(\"(.*?)\",\"(.*?)\"\)/",$info,$temp);echo "<h1>編輯配置文件</h1>"; echo "<form action='upt.php' method='post' >"; foreach($temp[1] as $k=>$v){echo "$keyinfo[$v]:<input type='text' name='{$v}' value='{$temp[2][$k]}' /><br/><br/>"; } echo "<input type='submit' value='修改' />&nbsp;&nbsp;&nbsp;&nbsp;"; echo "<input type='reset' value='重置' />"; echo "</form>"; <?php //1.獲取配置信息 $info = file_get_contents("dbcongfig.php"); //2.對配置文件進行正則替換 foreach($_POST as $k=>$v){$info = preg_replace("/define\(\"{$k}\",\".*?\"\)/","define(\"{$k}\",\"{$v}\")", $info); } file_put_contents("dbcongfig.php", $info); echo "<script>alert('修改成功');</script>"; echo "<script>self.location='file_get_content.php'</script>";

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轉載于:https://www.cnblogs.com/lzy007/p/6220490.html

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