DB: connection array config helper [ToDo Docs]

Author: forrest79

src/Db/Helper.php

@@ -50,4 +50,20 @@ private static function doCreatePgArray(array $array, bool $string): string
 		return '{' . \implode(',', $array) . '}';
 	}
 
+
+	/**
+	 * @param array<string, string|int|float|NULL> $config
+	 */
+	public static function prepareConfig(array $config): string
+	{
+		$configItems = [];
+		foreach ($config as $key => $value) {
+			if ($value !== NULL) {
+				$configItems[] = $key . '=\'' . $value . '\'';
+			}
+		}
+
+		return \implode(' ', $configItems);
+	}
+
 }

tests/Unit/BasicTest.php

@@ -70,6 +70,12 @@ public function testPreventConnectionUnserialization(): void
 		}, \RuntimeException::class, 'You can\'t serialize or unserialize \'Forrest79\PhPgSql\Db\Connection\' instances.');
 	}
 
+
+	public function testPrepareConfigHelper(): void
+	{
+		Tester\Assert::same('dbname=\'test_db\' port=\'5432\' connection_timeout=\'1.5\'', Db\Helper::prepareConfig(['dbname' => 'test_db', 'port' => 5432, 'connection_timeout' => 1.5, 'password' => NULL]));
+	}
+
 }
 
 (new BasicTest())->run();