Add validation warning for prs-0/4 definitions without namespace prefix, refs #3202

9 years ago · ae23979dfa
parent e61b3a6370
commit ae23979dfa
1 changed files with 8 additions and 0 deletions
--- a/src/Composer/Util/ConfigValidator.php
+++ b/src/Composer/Util/ConfigValidator.php
@ -124,6 +124,14 @@ class ConfigValidator
            }
        }

+        // check for empty psr-0/psr-4 namespace prefixes
+        if (isset($manifest['autoload']['psr-0'][''])) {
+            $warnings[] = "Defining autoload.psr-0 with an empty namespace prefix is a bad idea for performance";
+        }
+        if (isset($manifest['autoload']['psr-4'][''])) {
+            $warnings[] = "Defining autoload.psr-4 with an empty namespace prefix is a bad idea for performance";
+        }
+
        try {
            $loader = new ValidatingArrayLoader(new ArrayLoader(), true, null, $arrayLoaderValidationFlags);
            if (!isset($manifest['version'])) {