(PECL eio >= 0.0.1dev)
eio_unlink — Delete a name and possibly the file it refers to
$path
[, int $pri = EIO_PRI_DEFAULT
[, callable $callback = NULL
[, mixed $data = NULL
]]] ) : resourceeio_unlink() deletes a name from the file system.
pathPath to file
pri��������ȼ���EIO_PRI_DEFAULT��EIO_PRI_MIN��EIO_PRI_MAX �� NULL�������
NULL��pri ����Ϊ
EIO_PRI_DEFAULT��
callback
callback
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void callback(mixed $data, int $result[, resource $req]);
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result�������Ľ����ֵ��ͨ������Ӧ��ϵͳ���÷��ص�ֵ��
req��ѡ��������Դ���ɱ� eio_get_last_error() ֮��ĺ���ʹ�á�
data
Arbitrary variable passed to callback.
eio_unlink() returns request resource on success or FALSE on error.