Merge pull request #1388 from rodrigoprimo/add-composer-suggest-extensions

Add suggest section to composer.json for recommended extensions

Author: jrfnl

composer.json

@@ -29,6 +29,10 @@
         "source": "https://github.com/PHPCSStandards/PHP_CodeSniffer",
         "security": "https://github.com/PHPCSStandards/PHP_CodeSniffer/security/policy"
     },
+    "suggest": {
+        "ext-iconv": "For accurate character length calculation when the checked files contain multi-byte characters.",
+        "ext-pcntl": "For parallel processing support via the --parallel CLI option."
+    },
     "require": {
         "php": ">=7.2.0",
         "ext-simplexml": "*",