#722974 by chx, moshe weitzman, David_Rothstein: Fixed install script returns a blank page for PHP 5.1.

1 files changed, 6 insertions, 0 deletions

diff --git a/install.php b/install.php
index 3c709748f..478205ef1 100644
--- a/install.php
+++ b/install.php
@@ -16,6 +16,12 @@ define('DRUPAL_ROOT', getcwd());
  */
 define('MAINTENANCE_MODE', 'install');
 
+// Exit early if running an incompatible PHP version to avoid fatal errors.
+if (version_compare(PHP_VERSION, '5.2.4') < 0) {
+  print 'Your PHP installation is too old. Drupal requires at least PHP 5.2.4. See the <a href="http://drupal.org/requirements">system requirements</a> page for more information.';
+  exit;
+}
+
 // Start the installer.
 require_once DRUPAL_ROOT . '/includes/install.core.inc';
 install_drupal();