+
+/**
+ * remove intentation from a text
+ */
+function deindent($text, $chr="[\t ]", $count=NULL) {
+ $text = fix_mce_lf($text);
+ $lines = explode("\n", $text);
+ if (is_null($count)) {
+ $m = array();
+ $k=0; while($k<count($lines) && strlen($lines[$k])==0) $k++;
+ preg_match("|^".$chr."*|", $lines[$k], $m);
+ $count = strlen($m[0]);
+ }
+ for ($k=0; $k<count($lines); $k++){
+ $lines[$k] = preg_replace("|^".$chr."{".$count."}|", "", $lines[$k]);
+ }
+
+ return implode("\n", $lines);
+}
+
+function formatBytes($bytes, $precision = 2) {
+ $units = array('B', 'KB', 'MB', 'GB', 'TB');
+
+ $bytes = max($bytes, 0);
+ $pow = floor(($bytes ? log($bytes) : 0) / log(1024));
+ $pow = min($pow, count($units) - 1);
+
+ $bytes /= pow(1024, $pow);
+
+ return round($bytes, $precision) . ' ' . $units[$pow];
+}