/**
* Get basic and extended metadata included in the file itself and return as JSON string
*
* @param string $file path to file or content of file
* @param bool $ispath indicates whether $file is a path (true) or the file contents (false)
* @param bool $extended indicates whether to retrieve extended metadata information
*
* @return string $filemeta JSON string of metadata
*/
function extractMetadataJson($file, $ispath = true, $extended = true)
{
include_once 'lib/metadata/metadatalib.php';
$metadata = new FileMetadata();
$filemeta = json_encode($metadata->getMetadata($file, $ispath, $extended)->typemeta['best']);
return $filemeta;
}
/**
* @param null $filename
* @param bool $ispath
* @param bool $extended
* @param bool $bestarray
* @return FileMetadata|null
*/
function getMetadata($filename = null, $ispath = true, $extended = true, $bestarray = true)
{
include_once 'lib/metadata/metadatalib.php';
if ($filename === null) {
if (!empty($this->filename)) {
$filename = $this->filename;
$ispath = true;
} elseif (!empty($this->data)) {
$filename = $this->data;
$ispath = false;
}
}
if (!is_object($this->metadata) || get_class($this->metadata) != 'FileMetadata') {
$metadata = new FileMetadata();
$this->metadata = $metadata->getMetadata($filename, $ispath, $extended);
}
return $this->metadata;
}
