From 8b57631b2cb6836c8c1fb0931e57e10cfdba6710 Mon Sep 17 00:00:00 2001 From: Bradley M. Froehle Date: Tue, 16 Nov 2010 10:38:12 -0800 Subject: [PATCH] 962318: 21 - Verify PCRE_VERSION >= 7.2 --- modules/system/system.install | 18 ++++++++++++++++++ 1 files changed, 18 insertions(+), 0 deletions(-) diff --git modules/system/system.install modules/system/system.install index ad76e11..b26f85c 100644 --- modules/system/system.install +++ modules/system/system.install @@ -147,6 +147,24 @@ function system_requirements($phase) { $requirements['php_extensions']['value'] = $t('Enabled'); } + if (extension_loaded('pcre')) { + // Test for version of PCRE. If PCRE isn't loaded, the user would have + // already gotten an error. Version 7.2 or higher is required for the + // (?| construction used in drupal_load_stylesheet_content(). + $minimum_pcre_version = '7.2'; + list($pcre_version) = explode(' ', PCRE_VERSION, 2); + if (version_compare($pcre_version, $minimum_pcre_version) < 0) { + $requirements['pcre']['title'] = $t('PCRE'); + $requirements['pcre']['severity'] = REQUIREMENT_ERROR; + $requirements['pcre']['value'] = PCRE_VERSION; + $requirements['pcre']['description'] = $t('Your PCRE extension is too old. Drupal requires at least PCRE @minimum_pcre_version. See the system requirements page for more information.', array( + '@pcre_extension' => 'http://php.net/manual/en/book.pcre.php', + '@minimum_pcre_version' => $minimum_pcre_version, + '@system_requirements' => 'http://drupal.org/requirements', + )); + } + } + if ($phase == 'install' || $phase == 'update') { // Test for PDO (database). $requirements['database_extensions'] = array( -- 1.7.3.2