diff --git a/README.md b/README.md
index acd0d25..2ea8cce 100644
--- a/README.md
+++ b/README.md
@@ -7,6 +7,7 @@ This small JS utility reads PHP strings containing arrays and returns a JavaScri
 It uses [glayzzle/php-parser](https://github.com/glayzzle/php-parser) to parse PHP into AST and uses that 
 info to extract arrays.  
 It supports both indexed and associative arrays (i.e. lists and dictionaries/maps) and array, string, numeric and null values.
+Inline function calls are not evaluated but returned as raw strings. See the example below.
 
 ## Installation
 
@@ -35,6 +36,7 @@ const phpString = `[
   'and_numeric' => 42,
   'what_about' => true,
   'or' => false,
+  'func' => strtoupper('abc'),
 ]`;
 const data = fromString(phpString); 
 ```
@@ -50,7 +52,8 @@ const data = fromString(phpString);
   also_supports: null,
   and_numeric: 42,
   what_about: true,
-  or: false
+  or: false,
+  func: "strtoupper('abc')"
 }
 ```
 
diff --git a/index.js b/index.js
index 5a708f0..33e2105 100644
--- a/index.js
+++ b/index.js
@@ -13,7 +13,10 @@ function fromString (phpString) {
       extractDoc: false,
       suppressErrors: true
     },
-    ast: { withPositions: false }
+    ast: {
+      withPositions: true,
+      withSource: true
+    }
   });
 
   phpString = phpString.trim();
@@ -72,6 +75,7 @@ function parseValue (expr) {
   if (expr.kind === 'boolean') return expr.value;
   if (expr.kind === 'nullkeyword') return null;
   if (expr.kind === 'identifier' && expr.name.name === 'null') return null;
+  if (expr.kind === 'call') return expr.loc?.source;
   return undefined;
 }
 
diff --git a/index.test.js b/index.test.js
index 42479ae..d82b97a 100644
--- a/index.test.js
+++ b/index.test.js
@@ -57,7 +57,19 @@ test('php file', () => {
   expect(data).toEqual(['foo', 'bar']);
 });
 
-test('all value types match (arrays strings numbers decimals nulls booleans)', () => {
+test('function calls', () => {
+  const data = fromString(`[
+    'func' => env('SOME_VAR', true),
+    'another' => substr($var, 0, 5),
+    'arrow' => (fn() => 123),
+  ]`);
+  expect(data).toEqual({
+    func : "env('SOME_VAR', true)",
+    another: "substr($var, 0, 5)",
+  });
+})
+
+test('all value types match (arrays strings numbers decimals nulls booleans functions)', () => {
   const data = fromString(`[
     'arrayvalue' => [
       'hello', 'world'
@@ -68,6 +80,7 @@ test('all value types match (arrays strings numbers decimals nulls booleans)', (
     'nullvalue' => null,
     'truevalue' => true,
     'falsevalue' => false,
+    'functionvalue' => strtoupper('abc'),
   ]`);
   expect(data).toEqual({
     arrayvalue: ['hello', 'world'],
@@ -76,6 +89,8 @@ test('all value types match (arrays strings numbers decimals nulls booleans)', (
     decimalvalue: 4.2,
     nullvalue: null,
     truevalue: true,
-    falsevalue: false
+    falsevalue: false,
+    functionvalue: 'strtoupper(\'abc\')'
   });
 });
+
diff --git a/package-lock.json b/package-lock.json
index c5857a7..ada94d8 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,12 +1,12 @@
 {
   "name": "php-array-reader",
-  "version": "2.0.0",
+  "version": "2.1.0",
   "lockfileVersion": 3,
   "requires": true,
   "packages": {
     "": {
       "name": "php-array-reader",
-      "version": "2.0.0",
+      "version": "2.1.0",
       "license": "MIT",
       "dependencies": {
         "php-parser": "^3.1.5"
@@ -1107,9 +1107,9 @@
       }
     },
     "node_modules/@types/node": {
-      "version": "20.5.0",
-      "resolved": "https://registry.npmjs.org/@types/node/-/node-20.5.0.tgz",
-      "integrity": "sha512-Mgq7eCtoTjT89FqNoTzzXg2XvCi5VMhRV6+I2aYanc6kQCBImeNaAYRs/DyoVqk1YEUJK5gN9VO7HRIdz4Wo3Q==",
+      "version": "20.5.1",
+      "resolved": "https://registry.npmjs.org/@types/node/-/node-20.5.1.tgz",
+      "integrity": "sha512-4tT2UrL5LBqDwoed9wZ6N3umC4Yhz3W3FloMmiiG4JwmUJWpie0c7lcnUNd4gtMKuDEO4wRVS8B6Xa0uMRsMKg==",
       "dev": true
     },
     "node_modules/@types/stack-utils": {
@@ -1379,9 +1379,9 @@
       }
     },
     "node_modules/caniuse-lite": {
-      "version": "1.0.30001521",
-      "resolved": "https://registry.npmjs.org/caniuse-lite/-/caniuse-lite-1.0.30001521.tgz",
-      "integrity": "sha512-fnx1grfpEOvDGH+V17eccmNjucGUnCbP6KL+l5KqBIerp26WK/+RQ7CIDE37KGJjaPyqWXXlFUyKiWmvdNNKmQ==",
+      "version": "1.0.30001522",
+      "resolved": "https://registry.npmjs.org/caniuse-lite/-/caniuse-lite-1.0.30001522.tgz",
+      "integrity": "sha512-TKiyTVZxJGhsTszLuzb+6vUZSjVOAhClszBr2Ta2k9IwtNBT/4dzmL6aywt0HCgEZlmwJzXJd8yNiob6HgwTRg==",
       "dev": true,
       "funding": [
         {
@@ -1577,9 +1577,9 @@
       }
     },
     "node_modules/electron-to-chromium": {
-      "version": "1.4.494",
-      "resolved": "https://registry.npmjs.org/electron-to-chromium/-/electron-to-chromium-1.4.494.tgz",
-      "integrity": "sha512-KF7wtsFFDu4ws1ZsSOt4pdmO1yWVNWCFtijVYZPUeW4SV7/hy/AESjLn/+qIWgq7mHscNOKAwN5AIM1+YAy+Ww==",
+      "version": "1.4.496",
+      "resolved": "https://registry.npmjs.org/electron-to-chromium/-/electron-to-chromium-1.4.496.tgz",
+      "integrity": "sha512-qeXC3Zbykq44RCrBa4kr8v/dWzYJA8rAwpyh9Qd+NKWoJfjG5vvJqy9XOJ9H4P/lqulZBCgUWAYi+FeK5AuJ8g==",
       "dev": true
     },
     "node_modules/emittery": {
diff --git a/package.json b/package.json
index 971ea8a..1c57fe0 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "php-array-reader",
-  "version": "2.0.0",
+  "version": "2.1.0",
   "description": "Reads PHP arrays from a string into a JavaScript object",
   "main": "index.js",
   "types": "index.d.ts",