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In response to http://stackoverflow.com/questions/2602612/php-remote-file-size-without-downloading-file -> http://stackoverflow.com/a/25900273/624466
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<?php | |
/** | |
* Get the file size of any remote resource (using curl), | |
* either in bytes or - default - as human-readable formatted string. | |
* | |
* @author Stephan Schmitz <eyecatchup@gmail.com> | |
* @license MIT <http://eyecatchup.mit-license.org/> | |
* @url <https://gist.github.com/eyecatchup/f26300ffd7e50a92bc4d> | |
* | |
* @param string $url Takes the remote object's URL. | |
* @param boolean $formatSize Whether to return size in bytes or formatted. | |
* @param boolean $useHead Whether to use HEAD requests. If false, uses GET. | |
* @return string Returns human-readable formatted size | |
* or size in bytes (default: formatted). | |
* | |
* <code> | |
* //example | |
* echo getRemoteFilesize('https://github.com/eyecatchup/SEOstats/archive/master.zip'); | |
* </code> | |
*/ | |
function getRemoteFilesize($url, $formatSize = true, $useHead = true) | |
{ | |
$ch = curl_init($url); | |
curl_setopt_array($ch, array( | |
CURLOPT_RETURNTRANSFER => 1, | |
CURLOPT_FOLLOWLOCATION => 1, | |
CURLOPT_SSL_VERIFYPEER => 0, | |
CURLOPT_NOBODY => 1, | |
)); | |
if (false !== $useHead) { | |
curl_setopt($ch, CURLOPT_NOBODY, 1); | |
} | |
curl_exec($ch); | |
// content-length of download (in bytes), read from Content-Length: field | |
$clen = curl_getinfo($ch, CURLINFO_CONTENT_LENGTH_DOWNLOAD); | |
curl_close($ch); | |
// cannot retrieve file size, return "-1" | |
if (!$clen) { | |
return -1; | |
} | |
if (!$formatSize) { | |
return $clen; // return size in bytes | |
} | |
$size = $clen; | |
switch ($clen) { | |
case $clen < 1024: | |
$size = $clen .' B'; break; | |
case $clen < 1048576: | |
$size = round($clen / 1024, 2) .' KiB'; break; | |
case $clen < 1073741824: | |
$size = round($clen / 1048576, 2) . ' MiB'; break; | |
case $clen < 1099511627776: | |
$size = round($clen / 1073741824, 2) . ' GiB'; break; | |
} | |
return $size; // return formatted size | |
} | |
$url = 'https://dl.google.com/dl/android/aosp/hammerhead-mra58k-factory-52364034.tgz'; | |
echo getRemoteFilesize($url); // echoes "565.66 MiB" |
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<?php | |
/** | |
* Get the file size of any remote resource (using get_headers()), | |
* either in bytes or - default - as human-readable formatted string. | |
* | |
* @author Stephan Schmitz <eyecatchup@gmail.com> | |
* @license MIT <http://eyecatchup.mit-license.org/> | |
* @url <https://gist.github.com/eyecatchup/f26300ffd7e50a92bc4d> | |
* | |
* @param string $url Takes the remote object's URL. | |
* @param boolean $formatSize Whether to return size in bytes or formatted. | |
* @param boolean $useHead Whether to use HEAD requests. If false, uses GET. | |
* @return string Returns human-readable formatted size | |
* or size in bytes (default: formatted). | |
* | |
* <code> | |
* //example | |
* echo getRemoteFilesize('https://github.com/eyecatchup/SEOstats/archive/master.zip'); | |
* </code> | |
*/ | |
function getRemoteFilesize($url, $formatSize = true, $useHead = true) | |
{ | |
if (false !== $useHead) { | |
stream_context_set_default(array('http' => array('method' => 'HEAD'))); | |
} | |
$head = array_change_key_case(get_headers($url, 1)); | |
// content-length of download (in bytes), read from Content-Length: field | |
$clen = isset($head['content-length']) ? $head['content-length'] : 0; | |
// cannot retrieve file size, return "-1" | |
if (!$clen) { | |
return -1; | |
} | |
if (!$formatSize) { | |
return $clen; // return size in bytes | |
} | |
$size = $clen; | |
switch ($clen) { | |
case $clen < 1024: | |
$size = $clen .' B'; break; | |
case $clen < 1048576: | |
$size = round($clen / 1024, 2) .' KiB'; break; | |
case $clen < 1073741824: | |
$size = round($clen / 1048576, 2) . ' MiB'; break; | |
case $clen < 1099511627776: | |
$size = round($clen / 1073741824, 2) . ' GiB'; break; | |
} | |
return $size; // return formatted size | |
} | |
$url = 'https://dl.google.com/dl/android/aosp/hammerhead-mra58k-factory-52364034.tgz'; | |
echo getRemoteFilesize($url); // echoes "565.66 MiB" |
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I was looking for him ...
thank you very much.