Made install.php fail gracefully on PHP4

diff --git a/maintenance/install.php b/maintenance/install.php
index 87a2494..57e669d 100644 (file)
--- a/maintenance/install.php
+++ b/maintenance/install.php
@@ -20,12 +20,18 @@
  * @see wfWaitForSlaves()
  */
 
+if ( !function_exists( 'version_compare' ) || ( version_compare( phpversion(), '5.2.3' ) < 0 ) ) {
+       echo "You are using PHP version " . phpversion() . " but MediaWiki needs PHP 5.2.3 or higher. ABORTING.\n" .
+       "Check if you have a newer php executable with a different name, such as php5.\n";
+       die( 1 );
+}
+
 define( 'MW_CONFIG_CALLBACK', 'Installer::overrideConfig' );
 
 require_once( dirname( dirname( __FILE__ ) )."/maintenance/Maintenance.php" );
 
 class CommandLineInstaller extends Maintenance {
-       public function __construct() {
+       function __construct() {
                parent::__construct();
                global $IP;
 
@@ -54,7 +60,7 @@ class CommandLineInstaller extends Maintenance {
                $this->addOption( 'env-checks', "Run environment checks only, don't change anything" );
        }
 
-       public function execute() {
+       function execute() {
                global $IP, $wgTitle;
                $siteName = isset( $this->mArgs[0] ) ? $this->mArgs[0] : "Don't care"; // Will not be set if used with --env-checks
                $adminName = isset( $this->mArgs[1] ) ? $this->mArgs[1] : null;
@@ -76,7 +82,7 @@ class CommandLineInstaller extends Maintenance {
                }
        }
 
-       protected function validateParamsAndArgs() {
+       function validateParamsAndArgs() {
                if ( !$this->hasOption( 'env-checks' ) ) {
                        parent::validateParamsAndArgs();
                }