Make makeSimpleFunctionCall public

README.md

@@ -162,7 +162,7 @@ use Stillat\Proteus\Support\Facades\ConfigWriter;
 $document = ConfigWriter::edit('app')
     ->set([
         'locale' => 'fr',
-        'timezone' => 'Europe/Paris'  
+        'timezone' => 'Europe/Paris'
     ])->preview();
 ```
 
@@ -176,7 +176,7 @@ use Stillat\Proteus\Support\Facades\ConfigWriter;
 ConfigWriter::edit('app')
     ->set([
         'locale' => 'fr',
-        'timezone' => 'Europe/Paris'  
+        'timezone' => 'Europe/Paris'
     ])->save();
 ```
 
@@ -237,7 +237,7 @@ use Stillat\Proteus\Support\Facades\ConfigWriter;
 ConfigWriter::edit('app')
     ->set([
         'locale' => 'fr',
-        'timezone' => 'Europe/Paris'  
+        'timezone' => 'Europe/Paris'
     ])->merge('providers', [
         SomeProvider::class,
         SomeOtherProvider::class
@@ -295,6 +295,19 @@ ConfigWriter::write('custom.path', ConfigWriter::f()->publicPath('relative'));
 ConfigWriter::write('custom.path', ConfigWriter::f()->resourcePath('relative'));
 ```
 
+You may also call other **globally registered** functions:
+
+```php
+<?php
+use Stillat\Proteus\Support\Facades\ConfigWriter;
+
+function my_custom_function($paramOne, $paramTwo) {
+    ...
+}
+
+ConfigWriter::write('custom.path', ConfigWriter::f()->makeSimpleFunctionCall('my_custom_function', [$one, $two]));
+```
+
 ## Advanced Usage
 
 Given the following input configuration file:
@@ -323,7 +336,7 @@ $updater->update([
                     'hello',
                     'world'
                 ]
-            ]        
+            ]
         ]
     ]
 ]);

src/Writers/FunctionWriter.php

@@ -28,7 +28,7 @@ class FunctionWriter
 
     const FUNC_LARAVEL_ENV = 'env';
 
-    protected function makeSimpleFunctionCall(string $name, string|array $args): FuncCall
+    public function makeSimpleFunctionCall(string $name, string|array $args): FuncCall
     {
         return new FuncCall(
             $this->convertToName($name),

tests/LaravelFunctionCallTest.php

@@ -46,6 +46,22 @@ public function testExistingEnvCallsCanBeReplaced()
         );
     }
 
+    public function testCustomCallsCanBeWritten()
+    {
+        $f = new FunctionWriter();
+
+        $this->assertChangeEquals(
+            __DIR__.'/configs/empty.php',
+            __DIR__.'/expected/newenv.php',
+            [
+                'thing' => $f->makeSimpleFunctionCall('env', ['APP_NAME', 'Laravel']),
+                'thing2' => $f->makeSimpleFunctionCall('env', 'Something'),
+            ]
+        );
+    }
+
+
+
     public function testWritingNewClosuresOrArrowFunctions()
     {
         $f = new FunctionWriter();