Persistent objects
File Class - Before SRM
__sleep and __wakeup:
filename = $filename;
$this->fp = fopen($filename, 'rb');
}
function seek($pos) {
fseek($this->fp, $pos);
}
function __sleep() {
$this->pos = ftell($this->fp);
return array('fp', 'pos', 'filename');
}
function __wakeup() {
$this->fp = fopen($this->filename, 'rb');
fseek($this->fp, $this->pos);
}
}
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