PHP Dokumentation: Function finfo-open
12. Januar 2010 von werner
finfo_open
finfo->__construct
(PHP >= 5.3.0, PECL fileinfo >= 0.1.0)
finfo_open — finfo->__construct — Create a new fileinfo resource
Beschreibung
Procedural style
resource finfo_open ([ int $options = FILEINFO_NONE [, string $magic_file = NULL ]] )
Object oriented style (constructor):
finfo
__construct ([ int $options = FILEINFO_NONE [, string $magic_file = NULL ]] )
This function opens a magic database and returns its resource.
Parameter-Liste
- options
One or disjunction of more Fileinfo constants.
- magic_file
Name of a magic database file, usually something like /path/to/magic.mime. If not specified, the MAGIC environment variable is used. If this variable is not set either, /usr/share/misc/magic is used by default. A .mime and/or .mgc suffix is added if needed.
Rückgabewerte
Returns a magic database resource on successIm Fehlerfall wird FALSE zurückgegeben..
Beispiele
Beispiel #1 Object oriented style
<?php
$finfo = new finfo(FILEINFO_MIME, "/usr/share/misc/magic"); // return mime type ala mimetype extensionif (!$finfo) {
echo "Opening fileinfo database failed";
exit();
}/* get mime-type for a specific file */
$filename = "/usr/local/something.txt";
echo $finfo->file($filename);?>Beispiel #2 Procedural style
<?php
$finfo = finfo_open(FILEINFO_MIME, "/usr/share/misc/magic"); // return mime type ala mimetype extensionif (!$finfo) {
echo "Opening fileinfo database failed";
exit();
}/* get mime-type for a specific file */
$filename = "/usr/local/something.txt";
echo finfo_file($finfo, $filename);/* close connection */
finfo_close($finfo);
?>Das oben gezeigte Beispiel erzeugt folgendeAusgabe:
text/plain; charset=us-ascii
Siehe auch
- finfo_close() – Close fileinfo resource
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