--- /dev/null
+<?php
+
+/*
+ * This file is part of the Symfony package.
+ *
+ * (c) Fabien Potencier <fabien@symfony.com>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace Symfony\Component\DependencyInjection\Loader\Configurator\Traits;
+
+use Symfony\Component\DependencyInjection\Exception\InvalidArgumentException;
+use Symfony\Component\DependencyInjection\Reference;
+
+trait BindTrait
+{
+ /**
+ * Sets bindings.
+ *
+ * Bindings map $named or FQCN arguments to values that should be
+ * injected in the matching parameters (of the constructor, of methods
+ * called and of controller actions).
+ *
+ * @param string $nameOrFqcn A parameter name with its "$" prefix, or a FQCN
+ * @param mixed $valueOrRef The value or reference to bind
+ *
+ * @return $this
+ */
+ final public function bind($nameOrFqcn, $valueOrRef)
+ {
+ $valueOrRef = static::processValue($valueOrRef, true);
+ if (isset($nameOrFqcn[0]) && '$' !== $nameOrFqcn[0] && !$valueOrRef instanceof Reference) {
+ throw new InvalidArgumentException(sprintf('Invalid binding for service "%s": named arguments must start with a "$", and FQCN must map to references. Neither applies to binding "%s".', $this->id, $nameOrFqcn));
+ }
+ $bindings = $this->definition->getBindings();
+ $bindings[$nameOrFqcn] = $valueOrRef;
+ $this->definition->setBindings($bindings);
+
+ return $this;
+ }
+}