Curl Web Scraper 问题，数组错误

Question

我的抓取脚本有问题。我喜欢 select 我的 sql 中的值 sql 一段时间后，将抓取的内容保存在我的数据库中。它可以工作，但是每次第一个请求的内容时，curl 脚本都会向我的数据库发送错误的结果。

我的代码：

<?php
error_reporting(E_ALL);
include('db.php');

$i = 1;

while ($i <= 5)
{

$sql = "SELECT * FROM `plz` WHERE `id` = '$i'";
    $row = mysql_fetch_assoc( mysql_query($sql) );

$plz = $row['plz'];


//create array of data to be posted
$post_data['adv_plz'] = "$plz";
$post_data['finda'] = 'adv';
$post_data['lang'] = 'de_DE';

//traverse array and prepare data for posting (key1=value1)
foreach ( $post_data as $key => $value) {
    $post_items[] = $key . '=' . $value;
}

//create the final string to be posted using implode()
$post_string = implode ('&', $post_items);

//create cURL connection
$curl_connection = curl_init('https://www.domain.de/');

//set options
curl_setopt($curl_connection, CURLOPT_CONNECTTIMEOUT, 30);
curl_setopt($curl_connection, CURLOPT_USERAGENT, "Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1)");
curl_setopt($curl_connection, CURLOPT_RETURNTRANSFER, true);
curl_setopt($curl_connection, CURLOPT_SSL_VERIFYPEER, false);
curl_setopt($curl_connection, CURLOPT_FOLLOWLOCATION, 1);

//set data to be posted
curl_setopt($curl_connection, CURLOPT_POSTFIELDS, $post_string);

//perform our request
$result = curl_exec($curl_connection);

//show information regarding the request
$result = utf8_encode($result);

mysql_query("UPDATE plz SET content = '$result' WHERE id = '$i'");


    $i++;
}


?>

这是回显的内容 $post_string

adv_plz=01000&finda=adv&lang=de_DE

adv_plz=01000&finda=adv&lang=de_DE&adv_plz=01001&finda=adv&lang=de_DE

adv_plz=01000&finda=adv&lang=de_DE&adv_plz=01001&finda=adv&lang=de_DE&adv_plz=01002&finda=adv&lang=de_DE

adv_plz=01000&finda=adv&lang=de_DE&adv_plz=01001&finda=adv&lang=de_DE&adv_plz=01002&finda=adv&lang=de_DE&adv_plz=01003&finda=adv&lang=de_DE

adv_plz=01000&finda=adv&lang=de_DE&adv_plz=01001&finda=adv&lang=de_DE&adv_plz=01002&finda=adv&lang=de_DE&adv_plz=01003&finda=adv&lang=de_DE&adv_plz=01004&finda=adv&lang=de_DE

我希望有人能帮助我。如果我暂时不尝试脚本，它会完美运行。

Answer 1

在进入 foreach 循环之前尝试重置 $post_items 变量。

$post_items = array();

//traverse array and prepare data for posting (key1=value1)
foreach ( $post_d ....

Curl Web Scraper 问题，数组错误

Curl Web Scraper Problems, wrong Array

php

post

curl

while-loop

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