function openfile($x) {
    if (file_exists($x)) {
        $fp = fopen($x,"r");
    }  else {
        throw new Exception('ファイルが存在しません');
    }
}

try {
    openfile(hoge.txt);
} catch (Exception $e) {
    echo $e->getMessage();
}

— posted by midilin @ 11:05AM