helgi

<?php
function saveCacheFile($file, $contents)
{
    $len = strlen($contents);

    $cachefile_fp = @fopen($file, 'xb'); // x is the O_CREAT|O_EXCL mode
    if ($cachefile_fp !== false) { // create file
        if (fwrite($cachefile_fp, $contents, $len) < $len) {
            fclose($cachefile_fp);
            return PEAR::raiseError("Could not write $file.");