PHP新建文件并写入内容demo

//保存数据库连接信息到conn.php
				$fp=fopen(INSTALL_PATH.'/../conn/conn.php','w');
				if (!$fp) {
					 echo "sorry,try again!";
				}
				$conn_config="<?php 
";
				$conn_config.="header('Content-type: text/html; charset=UTF-8');
";
				$conn_config.='$conn=';
				$conn_config.="mysql_connect('$tc_server','$tc_user_name','$tc_user_pass');
";
				$conn_config.='$select=';
				$conn_config.="mysql_select_db('$tc_data_name',$conn)or die('数据库连接失败:'.mysql_error());//连接服务器
";
				$conn_config.="mysql_query('set names utf8');";
				$conn_config.="
 ?>";
				$fw=fwrite($fp,$conn_config); 
				
				echo "create file end .<br/>";
				
				if ($fw) {
					 echo "success add conn.php !<br/>";
				}else{
					echo "Error!";
				}
				fclose($fp);