<?php
if ( is_multisite() ) {
add_cacheaction( 'add_cacheaction', 'wp_super_cache_multisite_init' );
}
function wp_super_cache_multisite_init() {
add_filter( 'wpmu_blogs_columns', 'wp_super_cache_blogs_col' );
add_action( 'manage_sites_custom_column', 'wp_super_cache_blogs_field', 10, 2 );
add_action( 'init', 'wp_super_cache_override_on_flag', 9 );
}
function wp_super_cache_blogs_col( $col ) {
$col['wp_super_cache'] = __( 'Cached', 'wp-super-cache' );
return $col;
}
function wp_super_cache_blogs_field( $name, $blog_id ) {
if ( 'wp_super_cache' !== $name ) {
return false;
}
$blog_id = (int) $blog_id;
if ( isset( $_GET['id'], $_GET['action'], $_GET['_wpnonce'] )
&& $blog_id === filter_input( INPUT_GET, 'id', FILTER_VALIDATE_INT )
&& wp_verify_nonce( $_GET['_wpnonce'], 'wp-cache' . $blog_id )
) {
if ( 'disable_cache' === filter_input( INPUT_GET, 'action' ) ) {
add_blog_option( $blog_id, 'wp_super_cache_disabled', 1 );
} elseif ( 'enable_cache' === filter_input( INPUT_GET, 'action' ) ) {
delete_blog_option( $blog_id, 'wp_super_cache_disabled' );
}
}
if ( 1 === (int) get_blog_option( $blog_id, 'wp_super_cache_disabled' ) ) {
echo '<a href="' . wp_nonce_url( add_query_arg( array( 'action' => 'enable_cache', 'id' => $blog_id ) ), 'wp-cache' . $blog_id ) . '">' . __( 'Enable', 'wp-super-cache' ) . '</a>';
} else {
echo '<a href="' . wp_nonce_url( add_query_arg( array( 'action' => 'disable_cache', 'id' => $blog_id ) ), 'wp-cache' . $blog_id ) . '">' . __( 'Disable', 'wp-super-cache' ) . '</a>';
}
}
function wp_super_cache_multisite_notice() {
if ( 'wpsupercache' === filter_input( INPUT_GET, 'page' ) ) {
echo '<div class="error"><p><strong>' . __( 'Caching has been disabled on this blog on the Network Admin Sites page.', 'wp-super-cache' ) . '</strong></p></div>';
}
}
function wp_super_cache_override_on_flag() {
global $cache_enabled, $super_cache_enabled;
if ( true !== $cache_enabled ) {
return false;
}
if ( 1 === (int) get_option( 'wp_super_cache_disabled' ) ) {
$cache_enabled = false;
$super_cache_enabled = false;
define( 'DONOTCACHEPAGE', 1 );
define( 'SUBMITDISABLED', 'disabled style="color: #aaa" ' );
if ( is_admin() ) {
add_action( 'admin_notices', 'wp_super_cache_multisite_notice' );
}
}
}