always show an error message with PHP < 5.4

src/Symfony/Installer/NewCommand.php

@@ -57,7 +57,6 @@ protected function execute(InputInterface $input, OutputInterface $output)
         $this->output = $output;
 
         $this
-            ->checkInstalledPhpVersion()
             ->checkProjectName()
             ->checkSymfonyVersionIsInstallable()
             ->download()
@@ -68,29 +67,6 @@ protected function execute(InputInterface $input, OutputInterface $output)
         ;
     }
 
-    /**
-     * Checks if the system has PHP 5.4 or higher installed, which is a requirement
-     * to execute the installer.
-     * @return $this
-     */
-    private function checkInstalledPhpVersion()
-    {
-        if (version_compare(PHP_VERSION, '5.4.0', '<')) {
-            throw new \RuntimeException(sprintf(
-                "Symfony Installer requires PHP 5.4 version or higher and your system has\n".
-                "PHP %s version installed.\n\n".
-                "To solve this issue, upgrade your PHP installation or install Symfony manually\n".
-                "executing the following command:\n\n".
-                "composer create-project symfony/framework-standard-edition %s %s",
-                PHP_VERSION,
-                $this->projectName,
-                'latest' !== $this->version ? $this->version : ''
-            ));
-        }
-
-        return $this;
-    }
-
     /**
      * Checks whether it's safe to create a new project for the given name in the
      * given directory.

symfony

@@ -1,6 +1,19 @@
 #!/usr/bin/env php
 <?php
 
+if (PHP_VERSION_ID < 50400) {
+    file_put_contents('php://stderr', sprintf(
+        "Symfony Installer requires PHP 5.4 version or higher and your system has\n".
+        "PHP %s version installed.\n\n".
+        "To solve this issue, upgrade your PHP installation or install Symfony manually\n".
+        "executing the following command:\n\n".
+        "composer create-project symfony/framework-standard-edition <project-name> <symfony-version>\n\n",
+        PHP_VERSION
+    ));
+
+    exit(1);
+}
+
 require file_exists(__DIR__.'/vendor/autoload.php')
     ? __DIR__.'/vendor/autoload.php'
     : __DIR__.'/../../autoload.php';