Printer: fixed falsy Attribute aren't printed (#142)

Author: 19bischof

src/PhpGenerator/Printer.php

@@ -422,7 +422,7 @@ protected function printAttributes(array $attrs, bool $inline = false): string
 		foreach ($attrs as $attr) {
 			$args = $this->dumper->format('...?:', $attr->getArguments());
 			$args = Helpers::simplifyTaggedNames($args, $this->namespace);
-			$items[] = $this->printType($attr->getName(), nullable: false) . ($args ? "($args)" : '');
+			$items[] = $this->printType($attr->getName(), nullable: false) . ($args === '' ? '' : "($args)");
 			$inline = $inline && !str_contains($args, "\n");
 		}
 

tests/PhpGenerator/ClassType.attributes.phpt

@@ -41,6 +41,6 @@ $method = $class->addMethod('getHandle')
 $method->addParameter('mode')
 	->addComment('comment')
 	->addAttribute('ExampleAttribute')
-	->addAttribute('WithArguments', [123]);
+	->addAttribute('WithArguments', [0]);
 
 sameFile(__DIR__ . '/expected/ClassType.attributes.expect', (string) $class);

tests/PhpGenerator/expected/ClassType.attributes.expect

@@ -22,7 +22,7 @@ class Example
 	#[ExampleAttribute]
 	public function getHandle(
 		/** comment */
-		#[ExampleAttribute, WithArguments(123)]
+		#[ExampleAttribute, WithArguments(0)]
 		$mode,
 	) {
 	}