<?php
/**
 * Created by xiaoz.
 * User: lenovo
 * Date: 2018/10/9
 * Time: 14:39
 * url：mxcloud.com 
 * QQ2293640950
 */
include_once 'inc.php';
$id=$_POST['id'];
if(!empty($id)){
    $text = file_get_contents('files/orders.txt');
    $a1 = "#(.*?)\t(.*?)\t(.*?)\t(.*?)<\/br>#";
    preg_match_all($a1, $text, $arr1);
    if (!empty($arr1[0])) {

        $arr1[0][2] = "2018-10-08 22:30	weinxin	aa	af	1</br>";
        foreach ($arr1[0] as $key => $value) {
            $arr1[0][$key] = $arr1[0][$key] . "\r\n";
        }

        file_put_contents('files/orders.txt', $arr1[0]);
    }

}else{

    echo "id不能为空，无效操作";
}