Prevent from "PHP Deprecated: file_exists(): Passing null to parameter #1 ($filename) of type string"

alecpl · alecpl · commit 5ace0d7d2405 · 2023-12-10T12:37:16.000+01:00
diff --git a/Mail/mime.php b/Mail/mime.php
@@ -483,6 +483,9 @@ public function isMultipart()
     protected function file2str($file_name)
     {
         // Check state of file and raise an error properly
+        if (!is_string($file_name)) {
+            return self::raiseError('Invalid or empty file name');
+        }
         if (!file_exists($file_name)) {
             return self::raiseError('File not found: ' . $file_name);
         }

Original file line number	Diff line number	Diff line change
`@@ -483,6 +483,9 @@ public function isMultipart()`
`483`	`483`	`protected function file2str($file_name)`
`484`	`484`	`{`
`485`	`485`	`// Check state of file and raise an error properly`
	`486`	`+ if (!is_string($file_name)) {`
	`487`	`+ return self::raiseError('Invalid or empty file name');`
	`488`	`+ }`
`486`	`489`	`if (!file_exists($file_name)) {`
`487`	`490`	`return self::raiseError('File not found: ' . $file_name);`
`488`	`491`	`}`