php - Write big file from web into local directory with CURLOPT_BUFFERSIZE -


there big iso file on web want write local directory curlopt_buffersize 102400 bytes,so wrote following code job.

<?php $url="http://gensho.acc.umu.se/debian-cd/8.0.0/i386/iso-cd/debian-8.0.0-i386-lxde-cd-1.iso"; $ch=curl_init(); $a_opt=array(             curlopt_url => $url,             curlopt_header => 0,             curlopt_returntransfer => 1,             curlopt_binarytransfer => 1,             curlopt_buffersize => 102400         ); curl_setopt_array($ch,$a_opt); $str=curl_exec($ch); $f=fopen('/tmp/debian.iso','w'); fwrite($f,$str) ?>

maybe there bugs in it,but no error ouput,i can't download target iso file,how fix it?

try set timeout , connecttimeout options. try debug code using var_dump($str); and

curl_error($ch);

reading of how partially download remote file curl? might useful.


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