The created CSV are just blank and in browser I get Notices: Undefined offset: 0 on line 29 & Warning: curl_multi_remove_handle() expects parameter 2 to be resource. On line 30 I get Notice: Undefined offset: 0
<?php
function multiple_download(array $urls, $save_path = '/stockcache/')
{
$multi_handle = curl_multi_init();
$file_pointers = [];
$curl_handles = [];
$stocks = "GC=F,PL=F,HG=F,PA=F,BZ=F,USDZAR=X,EURZAR=X,GBPZAR=X,AUDZAR=X";
// Add curl multi handles, one per file we don't already have
foreach ($urls as $key => $url) {
foreach ( explode(",", $stocks) as $stock ) {
$file = "stockcache/".$stock.".csv";
if(!is_file($file)) {
$curl_handles[$key] = curl_init($url);
$file_pointers[$key] = fopen($file, "w");
curl_setopt($curl_handles[$key], CURLOPT_FILE, $file_pointers[$key]);
curl_setopt($curl_handles[$key], CURLOPT_HEADER, 0);
curl_setopt($curl_handles[$key], CURLOPT_CONNECTTIMEOUT, 60);
curl_multi_add_handle($multi_handle,$curl_handles[$key]);
}
}
}
// Download the files
do {
curl_multi_exec($multi_handle,$running);
} while ($running > 0);
// Free up objects
foreach ($urls as $key => $url) {
curl_multi_remove_handle($multi_handle, $curl_handles[$key]);
curl_close($curl_handles[$key]);
fclose ($file_pointers[$key]);
}
curl_multi_close($multi_handle);
}
// Files to download
$urls = [
'https://finance.yahoo.com/d/quotes.csv?s=GC=F&f=sl1c1&e=.csv',
'https://finance.yahoo.com/d/quotes.csv?s=PL=F&f=sl1c1&e=.csv',
'https://finance.yahoo.com/d/quotes.csv?s=HG=F&f=sl1c1&e=.csv',
'https://finance.yahoo.com/d/quotes.csv?s=PA=F&f=sl1c1&e=.csv',
'https://finance.yahoo.com/d/quotes.csv?s=BZ=F&f=sl1c1&e=.csv',
'https://finance.yahoo.com/d/quotes.csv?s=EURZAR=X&f=sl1c1&e=.csv',
'https://finance.yahoo.com/d/quotes.csv?s=GBPZAR=X&f=sl1c1&e=.csv',
'https://finance.yahoo.com/d/quotes.csv?s=AUDZAR=X&f=sl1c1&e=.csv'
];
multiple_download($urls);
?>
