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Phar::offsetExists
(PHP >= 5.3.0, PECL phar >= 1.0.0)
Phar::offsetExists — determines whether a file exists in the phar
Beschreibung
bool Phar::offsetExists
( string $offset
)
This is an implementation of the ArrayAccess interface allowing direct manipulation of the contents of a Phar archive using array access brackets.
offsetExists() is called whenever isset() is called.
Parameter-Liste
- offset
-
The filename (relative path) to look for in a Phar.
Rückgabewerte
Returns TRUE if the file exists within the phar, or FALSE if not.
Beispiele
PHP Code
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$p = new Phar(dirname(__FILE__) . '/my.phar', 0, 'my.phar');
$p['firstfile.txt'] = 'first file';
$p['secondfile.txt'] = 'second file';
// the next set of lines call offsetExists() indirectly
var_dump(isset($p['firstfile.txt']));
var_dump(isset($p['nothere.txt']));
Das oben gezeigte Beispiel erzeugt folgende Ausgabe:
bool(true) bool(false)
Siehe auch
- Phar::offsetGet() - Gets a PharFileInfo object for a specific file
- Phar::offsetSet() - set the contents of an internal file to those of an external file
- Phar::offsetUnset() - remove a file from a phar