PHP?? ??? ?? ??? ?? ??? ?? ??
PHP?? ?? ??? ??? ???? ???? ??? ??? ???? ???. ??. ? ??? ?? ??? ?????? ?? ??? ???? ???? ??? ? ????. ? ????? ? ??? ?? $the_content_type ??? ???? ???? ??? ????.
???:
? ?? ?? ??? ??? ??? ???? getFileMimeType() ??? ???? ????. ??? PHP ??? ??? ? ?? MIME ?? ??? ???? ?? ??:
function getFileMimeType($file) {
// Try finfo_file
if (function_exists('finfo_file')) {
$finfo = finfo_open(FILEINFO_MIME_TYPE);
$type = finfo_file($finfo, $file);
finfo_close($finfo);
}
// Try mime_content_type
else {
require_once 'upgradephp/ext/mime.php';
$type = mime_content_type($file);
}
// Check for unreliable results
if (!$type || in_array($type, array('application/octet-stream', 'text/plain'))) {
// Try file command (only available on *NIX systems)
$secondOpinion = exec('file -b --mime-type ' . escapeshellarg($file), $foo, $returnCode);
if ($returnCode === 0 && $secondOpinion) {
$type = $secondOpinion;
}
}
// Try exif_imagetype for images
if (!$type || in_array($type, array('application/octet-stream', 'text/plain'))) {
require_once 'upgradephp/ext/mime.php';
$exifImageType = exif_imagetype($file);
if ($exifImageType !== false) {
$type = image_type_to_mime_type($exifImageType);
}
}
return $type;
}
? ?? ?? finfo_file, mime_content_type, file ?? ? EXIF_imagetype ??? ????? ???? ??? ??? ?????. ??? ??? ? ??? ??? ? ?? ??? ???? ?? ???? ?????. ??? ??? ??? ?? ??? ??? ?????.
??? ??? ???? $the_content_type ??? ??? ?? ??? ? ????.
$the_content_type = getFileMimeType($filepath);
? ?? ??? ??? ??? ??? ?????. PHP?? ??? ?? ??? ??? ??? ???? ??? ?? ??? ??? ?????? ???? ????? ???? ??????.
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