本文演示3个从远程URL下载图片,并保存到本地文件中的方法,包括file_get_contents,curl和fopen。1. 使用file_get_contentsfunction dlfile($file_url, $save_to){$content = file_get_contents($file_url);file_put_contents($save_to, $content);}2.使用CURLfunction dlfile($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.使用fopenfunction dlfile($file_url, $save_to){$in= fopen($file
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