Changes from trunk/wp-admin/upgrade.php at r11930 to branches/2.9/wp-admin/upgrade.php at r12578

File:

• branches/2.9/wp-admin/upgrade.php (modified) (2 diffs)

branches/2.9/wp-admin/upgrade.php

@@ -36 +36 @@
 $step = (int) $step;
 
+$php_version    = phpversion();
+$mysql_version  = $wpdb->db_version();
+$php_compat     = version_compare( $php_version, $required_php_version, '>=' );
+$mysql_compat   = version_compare( $mysql_version, $required_mysql_version, '>=' ) || file_exists( WP_CONTENT_DIR . '/db.php' );
+
 @header( 'Content-Type: ' . get_option( 'html_type' ) . '; charset=' . get_option( 'blog_charset' ) );
 ?>
@@ -54 +59 @@
 <p class="step"><a class="button" href="<?php echo get_option( 'home' ); ?>/"><?php _e( 'Continue' ); ?></a></p>
 
+<?php elseif ( !$php_compat || !$mysql_compat ) :
+    if ( !$mysql_compat && !$php_compat )
+        printf( __('You cannot upgrade because WordPress %1$s requires PHP version %2$s or higher and MySQL version %3$s or higher. You are running PHP version %4$s and MySQL version %5$s.'), $wp_version, $required_php_version, $required_mysql_version, $php_version, $mysql_version );
+    elseif ( !$php_compat )
+        printf( __('You cannot upgrade because WordPress %1$s requires PHP version %2$s or higher. You are running version %3$s.'), $wp_version, $required_php_version, $php_version );
+    elseif ( !$mysql_compat )
+        printf( __('You cannot upgrade because WordPress %1$s requires MySQL version %2$s or higher. You are running version %3$s.'), $wp_version, $required_mysql_version, $mysql_version );
+?>
 <?php else :
 switch ( $step ) :