一张奇怪的图片 - 全球主机交流论坛

<?php
function displayImage($url) {
// 重试次数
$maxRetries = 3;
$retryCount = 0;
do {
// 初始化cURL
$ch = curl_init($url);
curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
curl_setopt($ch, CURLOPT_FOLLOWLOCATION, true);
curl_setopt($ch, CURLOPT_TIMEOUT, 300); // 设置超时时间
curl_setopt($ch, CURLOPT_FAILONERROR, true);
// 获取图片内容
$imageContent = curl_exec($ch);
// 获取HTTP状态码
$httpCode = curl_getinfo($ch, CURLINFO_HTTP_CODE);
$curlError = curl_error($ch);
curl_close($ch);
if ($httpCode === 200) {
break; // 成功下载，退出循环
}
$retryCount++;
} while ($retryCount < $maxRetries);
if ($httpCode !== 200) {
echo "无法获取图片内容。HTTP状态码: " . $httpCode . " 错误: " . $curlError;
return;
}
// 获取图片的MIME类型
$imageInfo = getimagesizefromstring($imageContent);
if ($imageInfo === FALSE) {
echo "无法识别图片格式。";
return;
}
$mimeType = $imageInfo['mime'];
// 设置适当的Content-Type头
header("Content-Type: $mimeType");
// 显示图片
echo $imageContent;
}
// 调用函数显示图片
displayImage("http://thumb.zgjiemeng.com/d/file/contents/2019/10/5da985cd42edd.jpg");
?>

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root@iZuf610otwtqjmygenx33wZ:/tmp# wget http://thumb.zgjiemeng.com/d/file/contents/2019/10/5da985cd42edd.jpg
--2024-05-17 17:51:05-- http://thumb.zgjiemeng.com/d/file/contents/2019/10/5da985cd42edd.jpg
Resolving thumb.zgjiemeng.com (thumb.zgjiemeng.com)... 8.217.155.9
Connecting to thumb.zgjiemeng.com (thumb.zgjiemeng.com)|8.217.155.9|:80... connected.
HTTP request sent, awaiting response... 403 Forbidden
2024-05-17 17:51:05 ERROR 403: Forbidden.

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