Properly set values containing dollar signs

Author: ivanvermeyen

src/DotEnvUpdater.php

@@ -133,7 +133,9 @@ protected function restoreValue($value)
      */
     protected function replaceExistingLine($key, $value, $env)
     {
-        return preg_replace($this->keyReplacementPattern($key), $this->formatKeyValuePair($key, $value), $env);
+        return preg_replace_callback($this->keyReplacementPattern($key), function () use ($key, $value) {
+            return $this->formatKeyValuePair($key, $value);
+        }, $env);
     }
 
     /**

tests/DotEnvUpdaterTest.php

@@ -148,6 +148,24 @@ public function it_sets_an_empty_value()
         ]);
     }
 
+    /** @test */
+    public function it_sets_a_value_with_dollar_sign()
+    {
+        $this->createEnvFile([
+            'EXISTING_KEY="String Value"',
+        ]);
+
+        $updater = new DotEnvUpdater($this->getEnvPath());
+
+        $updater->set('EXISTING_KEY', '$2y$10$mQZg');
+
+        $this->assertEquals('$2y$10$mQZg', $updater->get('EXISTING_KEY'));
+
+        $this->assertEnvFileContents([
+            'EXISTING_KEY="$2y$10$mQZg"',
+        ]);
+    }
+
     /**
      * Assert that the .env file contains the given lines of content.
      *