From d9f873d00e6670f6802441e21538e0e4704128a2 Mon Sep 17 00:00:00 2001
From: Jordi Boggiano <j.boggiano@seld.be>
Date: Sat, 16 Feb 2019 17:39:59 +0100
Subject: [PATCH] Abort when HHVM 4.0 is detected to output a clear user
 message, refs #7990

---
 bin/composer | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/bin/composer b/bin/composer
index 5e142662c..3585787f2 100755
--- a/bin/composer
+++ b/bin/composer
@@ -18,6 +18,11 @@ $xdebug = new XdebugHandler('Composer', '--ansi');
 $xdebug->check();
 unset($xdebug);
 
+if (defined('HHVM_VERSION') && version_compare(HHVM_VERSION, '4.0', '>=')) {
+    echo 'HHVM 4.0 has dropped support for Composer, please use PHP instead. Aborting.'.PHP_EOL;
+    exit(1);
+}
+
 if (function_exists('ini_set')) {
     @ini_set('display_errors', 1);