1:file_get_contents,file_put_contents方式
<?php function download_remote_file($file_url, $save_to) { $content = file_get_contents($file_url); file_put_contents($save_to, $content); }?>用法:
<?php download_remote_file('http://www.54ux.com/wp-content/themes/d-simple/img/thumbnail.jpg', realpath("./downloads") . '/file.jpg');?>2:curl方式
function download_remote_file_with_curl($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); }用法:
<?php download_remote_file_with_curl('http://www.54ux.com/wp-content/themes/d-simple/img/thumbnail.jpg', realpath("./downloads") . '/file.jpg');?>3:fopen方法
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function download_remote_file_with_fopen($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); }用法:
<?php download_remote_file_with_fopen('http://www.54ux.com/wp-content/themes/d-simple/img/thumbnail.jpg', realpath("./downloads") . '/file.jpg');?>










