Fixed broken file_write function (#736)

common.php

@@ -212,19 +212,22 @@ function file_write($str, $file, $max_size = LOG_MAX_SIZE, $lock = true, $replac
 {
     $bytes_written = false;
 
+    clearstatcache();
+
     if ($max_size && file_exists($file) && filesize($file) >= $max_size) {
-        $old_name = $file;
-        $ext = '';
-        if (preg_match('#^(.+)(\.[^\\\/]+)$#', $file, $matches)) {
-            [$old_name, $ext] = $matches;
-        }
-        $new_name = $old_name . '_[old]_' . date('Y-m-d_H-i-s_') . getmypid() . $ext;
+        $file_parts = pathinfo($file);
+        $new_name = ($file_parts['filename'] . '_[old]_' . date('Y-m-d_H-i-s_') . getmypid() . '.' . $file_parts['extension']);
+
         clearstatcache();
+
         if (!file_exists($new_name)) {
             rename($file, $new_name);
         }
     }
-    if (!file_exists($file) && $dir_created = bb_mkdir(dirname($file))) {
+
+    clearstatcache();
+
+    if (!file_exists($file) && bb_mkdir(dirname($file))) {
         $fp = fopen($file, 'ab+');
     }
     if (isset($fp)) {

test_[old]_2023-05-29_12-43-14_8080.txt

@@ -0,0 +1 @@
+111111111111

test_[old]_2023-05-29_12-43-15_8080.txt

@@ -0,0 +1 @@
+111111111111

test_[old]_2023-05-29_12-43-16_8080.txt

@@ -0,0 +1 @@
+111111111111

test_[old]_2023-05-29_12-43-17_8080.txt

@@ -0,0 +1 @@
+111111111111

test_[old]_2023-05-29_12-43-18_8080.txt

@@ -0,0 +1 @@
+111111111111

test_[old]_2023-05-29_12-43-19_8080.txt

@@ -0,0 +1 @@
+111111111111

test_[old]_2023-05-29_12-43-20_8080.txt

@@ -0,0 +1 @@
+111111111111

test_[old]_2023-05-29_12-43-21_8080.txt

@@ -0,0 +1 @@
+111111111111

test_[old]_2023-05-29_12-43-22_8080.txt

@@ -0,0 +1 @@
+111111111111

test_[old]_2023-05-29_12-43-23_8080.txt

@@ -0,0 +1 @@
+111111111111

test_[old]_2023-05-29_12-43-24_8080.txt

@@ -0,0 +1 @@
+111111111111

test_[old]_2023-05-29_12-43-25_8080.txt

@@ -0,0 +1 @@
+111111111111

test_[old]_2023-05-29_12-43-26_8080.txt

@@ -0,0 +1 @@
+111111111111

test_[old]_2023-05-29_12-43-27_8080.txt

@@ -0,0 +1 @@
+111111111111

test_[old]_2023-05-29_12-43-28_8080.txt

@@ -0,0 +1 @@
+111111111111

test_[old]_2023-05-29_12-43-29_8080.txt

@@ -0,0 +1 @@
+111111111111

test_[old]_2023-05-29_12-43-30_8080.txt

@@ -0,0 +1 @@
+111111111111

test_[old]_2023-05-29_12-43-31_8080.txt

@@ -0,0 +1 @@
+111111111111

test_[old]_2023-05-29_12-43-32_8080.txt

@@ -0,0 +1 @@
+111111111111

test_[old]_2023-05-29_12-43-33_8080.txt

@@ -0,0 +1 @@
+111111111111

test_[old]_2023-05-29_12-43-34_8080.txt

@@ -0,0 +1 @@
+111111111111

test_[old]_2023-05-29_12-43-35_8080.txt

@@ -0,0 +1 @@
+111111111111

test_[old]_2023-05-29_12-43-36_8080.txt

@@ -0,0 +1 @@
+111111111111

test_[old]_2023-05-29_12-43-37_8080.txt

@@ -0,0 +1 @@
+111111111111

test_[old]_2023-05-29_12-43-38_8080.txt

@@ -0,0 +1 @@
+111111111111

test_[old]_2023-05-29_12-43-39_8080.txt

@@ -0,0 +1 @@
+111111111111

test_[old]_2023-05-29_12-43-40_8080.txt

@@ -0,0 +1 @@
+111111111111

test_[old]_2023-05-29_12-43-41_8080.txt

@@ -0,0 +1 @@
+111111111111

test_[old]_2023-05-29_12-43-42_8080.txt

@@ -0,0 +1 @@
+111111111111

test_[old]_2023-05-29_12-43-43_8080.txt

@@ -0,0 +1 @@
+111111111111

test_[old]_2023-05-29_12-43-44_8080.txt

@@ -0,0 +1 @@
+111111111111

test_[old]_2023-05-29_12-43-45_8080.txt

@@ -0,0 +1 @@
+111111111111

test_[old]_2023-05-29_12-43-46_8080.txt

@@ -0,0 +1 @@
+111111111111

test_[old]_2023-05-29_12-43-47_8080.txt

@@ -0,0 +1 @@
+111111111111

test_[old]_2023-05-29_12-43-48_8080.txt

@@ -0,0 +1 @@
+111111111111

test_[old]_2023-05-29_12-43-49_8080.txt

@@ -0,0 +1 @@
+111111111111

test_[old]_2023-05-29_12-43-50_8080.txt

@@ -0,0 +1 @@
+111111111111

test_[old]_2023-05-29_12-43-51_8080.txt

@@ -0,0 +1 @@
+111111111111

test_[old]_2023-05-29_12-43-52_8080.txt

@@ -0,0 +1 @@
+111111111111

test_[old]_2023-05-29_12-43-53_8080.txt

@@ -0,0 +1 @@
+111111111111

test_[old]_2023-05-29_12-43-54_8080.txt

@@ -0,0 +1 @@
+111111111111