wip

Author: tangrufus

src/Composer.php

@@ -37,21 +37,24 @@ public static function fromFile(string $path): self
         return new self($data);
     }
 
+    /**
+     * @param  mixed[]  $data
+     */
     private function __construct(
-        /** @param mixed[] $data */
         private array $data,
         private VersionParser $versionParser = new VersionParser,
     ) {}
 
     public function requiredPhpConstraint(): string
     {
-        if (! isset($this->data['require']['php'])) {
-            throw new UnexpectedValueException('The "require.php" field is not set.');
+        $require = $this->data['require'] ?? [];
+        if (! is_array($require)) {
+            $require = [];
         }
+        $constraint = $require['php'] ?? null;
 
-        $constraint = $this->data['require']['php'];
         if (! is_string($constraint)) {
-            throw new UnexpectedValueException('The "require.php" field is not a string.');
+            throw new UnexpectedValueException('The "require.php" field is not set or not a string.');
         }
 
         try {

tests/Unit/ComposerTest.php

@@ -66,6 +66,7 @@
                 // No "require.php" is set.
                 '{"require":{"some/package":"^1.0"}}',
                 '{"require":{}}',
+                '{"require":123}',
                 '{"require-dev":{"php":"^1.0"}}',
                 '{"php":"^1.0"}',
                 '{}',
@@ -80,6 +81,7 @@
                 // "require.php" is not a valid constraint.
                 '{"require":{"php":"invalid constraint"}}',
                 '{"require":{"php":"~>1.0"}}',
+                '{"require":{"php":""}}',
             ]);
     });
 });