From f0d621e1011c05d75a043b48c0635fbca312b449 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?C=C3=A9dric=20Anne?= <cedric.anne@gmail.com>
Date: Wed, 27 Oct 2021 09:39:15 +0200
Subject: [PATCH] Prevent uncaught exception when iconv/mbstring are missing;
 fixes #10168 (#10224)

---
 bin/composer | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/bin/composer b/bin/composer
index 62c18974d..cee476b6d 100755
--- a/bin/composer
+++ b/bin/composer
@@ -24,6 +24,12 @@ 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 (!extension_loaded('iconv') && !extension_loaded('mbstring')) {
+    echo 'The iconv OR mbstring extension is required and both are missing.'
+        .PHP_EOL.'Install either of them or recompile php without --disable-iconv.'
+        .PHP_EOL.'Aborting.'.PHP_EOL;
+    exit(1);
+}
 
 if (function_exists('ini_set')) {
     @ini_set('display_errors', '1');