Updating message to inform the user how to install the component

weaverryan · nicolas-grekas · commit 07ac535abf7f · 2017-12-27T11:16:13.000+01:00
diff --git a/src/Symfony/Component/DomCrawler/Crawler.php b/src/Symfony/Component/DomCrawler/Crawler.php
@@ -691,8 +691,8 @@ public function filterXPath($xpath)
      */
     public function filter($selector)
     {
-        if (!class_exists('Symfony\\Component\\CssSelector\\CssSelectorConverter')) {
-            throw new \RuntimeException('Unable to filter with a CSS selector as the Symfony CssSelector 2.8+ is not installed (you can use filterXPath instead).');
+        if (!class_exists(CssSelectorConverter::class)) {
+            throw new \RuntimeException('To filter with a CSS selector, install the CssSelector component ("composer require symfony/css-selector"). Or use filterXpath instead.');
         }
 
         $converter = new CssSelectorConverter($this->isHtml);

Original file line number	Diff line number	Diff line change
`@@ -691,8 +691,8 @@ public function filterXPath($xpath)`
`691`	`691`	`*/`
`692`	`692`	`public function filter($selector)`
`693`	`693`	`{`
`694`		`- if (!class_exists('Symfony\\Component\\CssSelector\\CssSelectorConverter')) {`
`695`		`- throw new \RuntimeException('Unable to filter with a CSS selector as the Symfony CssSelector 2.8+ is not installed (you can use filterXPath instead).');`
	`694`	`+ if (!class_exists(CssSelectorConverter::class)) {`
	`695`	`+ throw new \RuntimeException('To filter with a CSS selector, install the CssSelector component ("composer require symfony/css-selector"). Or use filterXpath instead.');`
`696`	`696`	`}`
`697`	`697`
`698`	`698`	`$converter = new CssSelectorConverter($this->isHtml);`