Examples of php implementing curl upload and download and https login

This article mainly introduces the php curl upload, download, and https login implementation code. Friends who need it can refer to

1, curl download

$ch = curl_init(); 
curl_setopt($ch, CURLOPT_URL, "ftp://127.0.0.1/downtest.txt"); 
curl_setopt($ch, CURLOPT_HEADER,0); 
curl_setopt($ch, CURLOPT_RETURNTRANSFER,1); 
curl_setopt($ch, CURLOPT_TIMEOUT,300); 
//设置用户名和密码 
curl_setopt($ch, CURLOPT_USERPWD,"yuejide:123456"); 
$outfile = fopen("test.txt","wb"); 
curl_setopt($ch,CURL_FILE,$outfile); 
$rtn = curl_exec($ch); 
fclose($outfile); 
if(!curl_errno($ch)){ 
echo $rtn; 
}else{ 
echo 'curl error'.curl_errno($ch); 
} 
curl_close($ch);

2. curl upload

$ch = curl_init(); 
$localfile = "ftp01.php"; 
$fp = fopen($localfile,'r'); 
curl_setopt($ch, CURLOPT_URL, "ftp://127.0.0.1/ftp01_upload.php"); 
curl_setopt($ch, CURLOPT_HEADER,0); 
curl_setopt($ch, CURLOPT_RETURNTRANSFER,1); 
curl_setopt($ch, CURLOPT_TIMEOUT,300); 
//设置用户名和密码 
curl_setopt($ch, CURLOPT_USERPWD,"yuejide:123456"); 

curl_setopt($ch, CURLOPT_UPLOAD,1); 
curl_setopt($ch, CURLOPT_INFILE,$fp); 
curl_setopt($ch, CURLOPT_INFILESIZE,filesize($localfile)); 
$rtn = curl_exec($ch); 
fclose($fp); 
if(!curl_errno($ch)){ 
echo "upload successfully"; 
}else{ 
echo 'curl_error'.curl_error($ch); 
} 
curl_close($ch);

3. curl https login

$ch = curl_init(); 
curl_setopt($ch, CURLOPT_URL, "https://www.baidu.com"); 
curl_setopt($ch, CURLOPT_RETURNTRANSFER,1); 
date_default_timezone_set('PRC'); 
curl_setopt($ch,CURLOPT_SSL_VERIFYPEER,0); 
$output = curl_exec($ch); 
curl_close($ch); 
echo $output;

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