Fixes composer file inclusion error

src/Composer/Concerns/HasAssertions.php

@@ -29,6 +29,9 @@ protected function assertEnvironmentReady()
         ini_set('max_input_time', 0);
         ini_set('max_execution_time', 0);
 
+        // Fixes function throwing an error
+        require_once __DIR__ . '/../resources/file_get_contents.php';
+
         // Function may be disabled for security reasons
         if (!function_exists('putenv')) {
             require_once __DIR__ . '/../resources/putenv.php';

src/Composer/resources/file_get_contents.php

@@ -0,0 +1,15 @@
+<?php
+
+/**
+ * This prevents file_get_contents from throwing an exception.
+ */
+namespace Composer\Repository
+{
+    /**
+     * file_get_contents is not suppressed in composer
+     */
+    function file_get_contents(...$args)
+    {
+        return @\file_get_contents(...$args);
+    }
+}