blob: f35f987efb174f05761e09c077c099004519ffa0 (
plain) (
tree)
|
|
<?php
class FileUtil
{
/**
* Return contents of given file as string, but only read up to maxBytes bytes.
*
* @param string $file file to read
* @param int $maxBytes maximum length to read
* @return boolean|string data, false on error
*/
public static function readFile($file, $maxBytes = 1000)
{
$fh = @fopen($file, 'rb');
if ($fh === false)
return false;
$data = fread($fh, $maxBytes);
fclose($fh);
return $data;
}
/**
* Read a file of key=value lines to assoc array.
*
* @param string $file Filename
* @return boolean|array assoc array, false on error
*/
public static function fileToArray($file)
{
$data = self::readFile($file, 2000);
if ($data === false)
return false;
$data = explode("\n", str_replace("\r", "\n", $data));
$ret = array();
foreach ($data as $line) {
if (preg_match('/^(\w+)\s*=\s*(.*?)\s*$/', $line, $out)) {
$ret[$out[1]] = $out[2];
}
}
return $ret;
}
/**
* Write given associative array to file as key=value pairs.
*
* @param string $file Filename
* @param array $array Associative array to write
* @return boolean success of operation
*/
public static function arrayToFile($file, $array)
{
$fh = fopen($file, 'wb');
if ($fh === false)
return false;
foreach ($array as $key => $value) {
if (false === fwrite($fh, $key . ' = ' . preg_replace('/[\x00-\x1F]/s', '', (string)$value) . "\n")) {
fclose($fh);
return false;
}
}
fclose($fh);
return true;
}
}
|
