Ticket #7196: 7196.diff

bp-loader.php

@@ -15 +15 @@
  * Description: BuddyPress helps site builders and WordPress developers add community features to their websites, with user profile fields, activity streams, messaging, and notifications.
  * Author:      The BuddyPress Community
  * Author URI:  https://buddypress.org
- * Version:     2.7-alpha
+ * Version:     2.5
  * Text Domain: buddypress
  * Domain Path: /bp-languages/
  * License:     GPLv2 or later (license.txt)

src/bp-core/admin/bp-core-admin-functions.php

@@ -1113 +1113 @@
         </script>
         <?php
 }
+
+/** Upgrade protection *******************************************************/
+
+/**
+ * Determines whether the current installation is running PHP 5.3 or greater.
+ *
+ * BuddyPress 2.8 introduces a minimum PHP requirement of PHP 5.3.
+ *
+ * @since 2.7.0
+ *
+ * @return bool
+ */
+function bp_core_admin_is_running_php53_or_greater() {
+        return version_compare( PHP_VERSION, '5.3', '>=' );
+}
+
+/**
+ * Replaces WP's default update notice on plugins.php with an error message, when site is not running PHP 5.3 or greater.
+ *
+ * @since 2.7.0
+ */
+function bp_core_admin_maybe_disable_update_row_for_php53_requirement() {
+        if ( ! bp_core_admin_is_running_php53_or_greater() ) {
+                remove_action( 'after_plugin_row_buddypress/bp-loader.php', 'wp_plugin_update_row', 10, 2 );
+                add_action( 'after_plugin_row_buddypress/bp-loader.php', 'bp_core_admin_php52_plugin_row', 10, 2 );
+        }
+}
+add_action( 'load-plugins.php', 'bp_core_admin_maybe_disable_update_row_for_php53_requirement', 100 );
+
+/**
+ * Outputs a replacement for WP's default update notice, when site is not running PHP 5.3 or greater.
+ *
+ * When we see that a site is not running PHP 5.3 and is trying to update to BP 2.8+,
+ * we do a few things:
+ *   - Disable the bulk update checkbox.
+ *   - Replace WP's default notice with our own, which both provides a link to
+ *     our documentation of the requirement, and removes the link that allows
+ *     a single plugin to be updated.
+ *
+ * @since 2.7.0
+ *
+ * @param string $file        Plugin filename. buddypress/bp-loader.php.
+ * @param array  $plugin_data Data about the BuddyPress plugin, as returned by the
+ *                            plugins API.
+ */
+function bp_core_admin_php52_plugin_row( $file, $plugin_data ) {
+        if ( is_multisite() && ! is_network_admin() ) {
+                return;
+        }
+
+        $current = get_site_transient( 'update_plugins' );
+        if ( ! isset( $current->response[ $file ] ) ) {
+                return false;
+        }
+
+        $response = $current->response[ $file ];
+
+        if ( version_compare( $response->new_version, '2.8', '<' ) ) {
+                return false;
+        }
+
+        $wp_list_table = _get_list_table( 'WP_Plugins_List_Table' );
+
+        if ( is_network_admin() ) {
+                $active_class = is_plugin_active_for_network( $file ) ? ' active' : '';
+        } else {
+                $active_class = is_plugin_active( $file ) ? ' active' : '';
+        }
+
+        echo '<tr class="plugin-update-tr' . $active_class . '" id="' . esc_attr( $response->slug . '-update' ) . '" data-slug="' . esc_attr( $response->slug ) . '" data-plugin="' . esc_attr( $file ) . '"><td colspan="' . esc_attr( $wp_list_table->get_column_count() ) . '" class="plugin-update colspanchange"><div class="update-message notice inline notice-error notice-alt"><p>';
+
+        printf( esc_html__( 'A BuddyPress update is available, but your system is not compatible. See %s for more information.', 'buddypress' ), '<a href="#">some link</a>' );
+        echo '</p></td></tr>';
+
+        // JavaScript to disable the bulk upgrade checkbox.
+        $checkbox_id = 'checkbox_' . md5( $plugin_data['Name'] );
+        echo "<script type='text/javascript'>document.getElementById('$checkbox_id').disabled = true;</script>";
+}
+
+/**
+ * Disables BP's bulk update checkbox on update-core.php, when minimum PHP requirement is not met.
+ *
+ * This is the only way we can prevent updates on this page. There are no other hooks,
+ * filters, or even CSS selectors.
+ *
+ * @since 2.7.0
+ */
+function bp_core_admin_disable_update_from_update_core() {
+        if ( bp_core_admin_is_running_php53_or_greater() ) {
+                return;
+        }
+
+        $checkbox_id = 'checkbox_' . md5( 'BuddyPress' );
+
+        ?>
+        <script type="text/javascript">
+                document.getElementById('<?php echo $checkbox_id; ?>').disabled = true;
+        </script>
+        <?php
+}
+add_action( 'core_upgrade_preamble', 'bp_core_admin_disable_update_from_update_core' );