What are the methods for downloading network images in PHP?

Summary of several methods of downloading network pictures in PHP

This article demonstrates 3 ways to download pictures from the network and save them to local files Methods, including file_get_contents, curl and fopen.

Use file_get_contents(Recommended learning:PHP programming from entry to proficiency)

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

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); }

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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