PHP 写字符串到文件中

PHP 写字符串到文件中

<?
function write_to_file($fn, $str)
{
    if ($str == '') return 'Nothing to write...';
    if ($fn == '') return 'No file to write to...';
    if (($fp = @fopen($fn, 'w')) === false) return 'Error obtaining file handle';
    if (@fwrite($fp, $str, strlen($str)) === false)
    {
        fclose($fp);
        return 'Error writing to file';
    }
    fclose($fp);
    return 'Data written to file successfully';
}
?>

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