diff --git a/_release.php b/_release.php
index 76e9deed0..a2bac5bf0 100644
--- a/_release.php
+++ b/_release.php
@@ -24,20 +24,20 @@ require INC_DIR . '/functions_cli.php';
 $configFile = BB_PATH . '/library/config.php';
 
 if (!is_file($configFile)) {
-    out("- Config file " . basename($configFile) . " not found", 'error');
+    out('- Config file ' . basename($configFile) . ' not found', 'error');
 }
 if (!is_readable($configFile)) {
-    out("- Config file " . basename($configFile) . " is not readable", 'error');
+    out('- Config file ' . basename($configFile) . ' is not readable', 'error');
 }
 if (!is_writable($configFile)) {
-    out("- Config file " . basename($configFile) . " is not writable", 'error');
+    out('- Config file ' . basename($configFile) . ' is not writable', 'error');
 }
 
 // Welcoming message
 out("--- Release creation tool ---\n", 'info');
 
 // Ask for version
-fwrite(STDOUT, "Enter version number (e.g, v2.4.0): ");
+fwrite(STDOUT, 'Enter version number (e.g, v2.4.0): ');
 $version = trim(fgets(STDIN));
 
 // Ask for release date or use today's date
@@ -51,7 +51,7 @@ if (empty($date)) {
     // Validate date format (dd-mm-yyyy)
     $dateObj = DateTime::createFromFormat('d-m-Y', $date);
     if (!$dateObj || $dateObj->format('d-m-Y') !== $date) {
-        out("Invalid date format. Expected format: DD-MM-YYYY", 'error');
+        out('Invalid date format. Expected format: DD-MM-YYYY', 'error');
     }
 
     out("- Using date: $date", 'info');
@@ -75,4 +75,12 @@ $content = preg_replace(
 );
 
 // Save updated config
-file_put_contents($configFile, $content);
+$bytesWritten = file_put_contents($configFile, $content);
+
+if ($bytesWritten === false) {
+    out('Failed to write to config file', 'error');
+}
+
+if ($bytesWritten === 0) {
+    out('Config file was not updated (0 bytes written)', 'error');
+}