added PhpFile::removeNamespace()

Author: dg

src/PhpGenerator/PhpFile.php

@@ -110,6 +110,17 @@ public function addNamespace(string|PhpNamespace $namespace): PhpNamespace
 	}
 
 
+	/**
+	 * Removes the namespace from the file.
+	 */
+	public function removeNamespace(string|PhpNamespace $namespace): static
+	{
+		$name = $namespace instanceof PhpNamespace ? $namespace->getName() : $namespace;
+		unset($this->namespaces[$name]);
+		return $this;
+	}
+
+
 	/** @return PhpNamespace[] */
 	public function getNamespaces(): array
 	{

tests/PhpGenerator/PhpFile.phpt

@@ -18,6 +18,10 @@ $file->addComment('This file is auto-generated. DO NOT EDIT!');
 $file->addComment('Hey there, I\'m here to document things.');
 
 
+$namespace = $file->addNamespace('Deleted');
+$namespace->addClass('Foo');
+$file->removeNamespace('Deleted');
+
 $namespaceFoo = $file->addNamespace('Foo');
 
 $classA = $namespaceFoo->addClass('A');