Summary of several methods for PHP to download remote images,

Summary of several methods for PHP to download remote images,

Summary of several methods for PHP to download remote Images

This article demonstrates three methods for downloading images from a remote URL and saving them to a local file, including file_get_contents, curl, and fopen.

1. Use file_get_contents

function dlfile($file_url, $save_to){ $content = file_get_contents($file_url); file_put_contents($save_to, $content);}

2. Use CURL

function dlfile($file_url, $save_to){ $ch = curl_init(); curl_setopt($ch, CURLOPT_POST, 0);  curl_setopt($ch,CURLOPT_URL,$file_url);  curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);  $file_content = curl_exec($ch); curl_close($ch); $downloaded_file = fopen($save_to, 'w'); fwrite($downloaded_file, $file_content); fclose($downloaded_file);}

3. Use fopen

function dlfile($file_url, $save_to){ $in=  fopen($file_url, "rb"); $out=  fopen($save_to, "wb"); while ($chunk = fread($in,8192)) { fwrite($out, $chunk, 8192); } fclose($in); fclose($out);}

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