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-rw-r--r--application/helpers/filebin_helper.php27
1 files changed, 27 insertions, 0 deletions
diff --git a/application/helpers/filebin_helper.php b/application/helpers/filebin_helper.php
index 7adab7279..563364d32 100644
--- a/application/helpers/filebin_helper.php
+++ b/application/helpers/filebin_helper.php
@@ -324,4 +324,31 @@ function mimetype($file) {
return $mimetype;
}
+function files_are_equal($a, $b)
+{
+ $chunk_size = 8*1024;
+
+ // Check if filesize is different
+ if (filesize($a) !== filesize($b)) {
+ return false;
+ }
+
+ // Check if content is different
+ $ah = fopen($a, 'rb');
+ $bh = fopen($b, 'rb');
+
+ $result = true;
+ while (!feof($ah) && !feof($bh)) {
+ if (fread($ah, $chunk_size) !== fread($bh, $chunk_size)) {
+ $result = false;
+ break;
+ }
+ }
+
+ fclose($ah);
+ fclose($bh);
+
+ return $result;
+}
+
# vim: set noet: