PHP Image Scraper 仅选择图片

Question

我正在尝试构建一个简单的图像抓取工具来从网站上抓取某些图像，但到目前为止我所拥有的如何抓取所有图像

<?php
$url = "http://www.techbuy.com.au/";
$html = file_get_contents('http://www.techbuy.com.au/');
$dom = new domDocument;
$dom->loadHTML($html);
$dom->preserveWhiteSpace = false;
$images = $dom->getElementsByTagName('img');
foreach ($images as $image)
{
$fimage =  $image->getAttribute('src');
echo "<img src='$url" . "$fimage' ></img>";
}
?>

我怎么让它说舍弃第二张图片并保留其余图片

Answer 1

if ($images->length >= 2) { $src = $images->item(1)->getAttribute("src"); }

Answer 2

<?php
$url = "http://www.techbuy.com.au/";
$html = file_get_contents('http://www.techbuy.com.au/');
$dom = new domDocument;
$dom->loadHTML($html);
$dom->preserveWhiteSpace = false;
$images = $dom->getElementsByTagName('img');

foreach ($images as $key => $image)
{
    if ($key === 1) {
        $fimage =  $image->getAttribute('src');
        echo "<img src='$url" . "$fimage' ></img>";
    }
}
?>

抓取第二张图片。

PHP Image Scraper 仅选择图片

PHP Image Scraper only selected images

php

dom