added Helpers::splitClassName()

Author: dg

src/Utils/Helpers.php

@@ -106,4 +106,16 @@ public static function compare(mixed $left, string $operator, mixed $right): boo
 			default => throw new Nette\InvalidArgumentException("Unknown operator '$operator'"),
 		};
 	}
+
+
+	/**
+	 * Splits a class name into namespace and short class name.
+	 * @return array{string, string}
+	 */
+	public static function splitClassName(string $name): array
+	{
+		return ($pos = strrpos($name, '\\')) === false
+			? ['', $name]
+			: [substr($name, 0, $pos), substr($name, $pos + 1)];
+	}
 }

tests/Utils/Helpers.splitClassName().phpt

@@ -0,0 +1,14 @@
+<?php
+
+declare(strict_types=1);
+
+use Nette\Utils\Helpers;
+use Tester\Assert;
+
+require __DIR__ . '/../bootstrap.php';
+
+
+Assert::same(['Nette\Utils', 'Helpers'], Helpers::splitClassName('Nette\Utils\Helpers'));
+Assert::same(['', 'Class'], Helpers::splitClassName('Class'));
+Assert::same(['', 'Class'], Helpers::splitClassName('\Class'));
+Assert::same(['\A', 'B'], Helpers::splitClassName('\A\B'));