symfony · fabpot · Jan 6, 2019 · Jan 4, 2019
diff --git a/src/Symfony/Component/DependencyInjection/CHANGELOG.md b/src/Symfony/Component/DependencyInjection/CHANGELOG.md
@@ -4,6 +4,7 @@ CHANGELOG
 4.3.0
 -----

+ * added `%env(trim:...)%` processor to trim a string value
 * added `%env(default:...)%` processor to fallback to a default value

 4.2.0

diff --git a/src/Symfony/Component/DependencyInjection/EnvVarProcessor.php b/src/Symfony/Component/DependencyInjection/EnvVarProcessor.php
@@ -45,6 +45,7 @@ public static function getProvidedTypes()
            'resolve' => 'string',
            'default' => 'bool|int|float|string|array',
            'string' => 'string',
+            'trim' => 'string',
        );
    }

@@ -195,6 +196,10 @@ public function getEnv($prefix, $name, \Closure $getEnv)
            return str_getcsv($env);
        }

+        if ('trim' === $prefix) {
+            return trim($env);
+        }
+
        throw new RuntimeException(sprintf('Unsupported env var prefix "%s".', $prefix));
    }
 }
diff --git a/...Symfony/Component/DependencyInjection/Tests/Compiler/RegisterEnvVarProcessorsPassTest.php b/...Symfony/Component/DependencyInjection/Tests/Compiler/RegisterEnvVarProcessorsPassTest.php
@@ -42,6 +42,7 @@ public function testSimpleProcessor()
            'resolve' => array('string'),
            'default' => array('bool', 'int', 'float', 'string', 'array'),
            'string' => array('string'),
+            'trim' => array('string'),
        );

        $this->assertSame($expected, $container->getParameterBag()->getProvidedTypes());

diff --git a/src/Symfony/Component/DependencyInjection/Tests/EnvVarProcessorTest.php b/src/Symfony/Component/DependencyInjection/Tests/EnvVarProcessorTest.php
@@ -233,6 +233,19 @@ public function testGetEnvBase64()
        $this->assertSame('hello', $result);
    }

+    public function testGetEnvTrim()
+    {
+        $processor = new EnvVarProcessor(new Container());
+
+        $result = $processor->getEnv('trim', 'foo', function ($name) {
+            $this->assertSame('foo', $name);
+
+            return " hello\n";
+        });
+
+        $this->assertSame('hello', $result);
+    }
+
    /**
     * @dataProvider validJson
     */