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fix: auto-deactivate other active Stackable plugin #3574

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fix: auto-deactivate other active Stackable plugin #3574

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31adb03
add no-op function
mxkae Aug 6, 2025
11e5f09
prevent multiple active stackable plugins
mxkae Aug 6, 2025
e30a846
Update plugin.php
bfintal Aug 7, 2025
e49ce39
add notice
mxkae Aug 7, 2025
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43 changes: 43 additions & 0 deletions plugin.php
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Original file line number Diff line number Diff line change
Expand Up @@ -17,6 +17,27 @@
exit;
}

if ( ! function_exists( 'stackable_multiple_plugins_check' ) ) {
// Prevent multiple Stackable plugin versions from being active simultaneously.
function stackable_multiple_plugins_check() {
if ( is_plugin_active( $GLOBALS['OTHER_STACKABLE_FILE'] ) ) {
deactivate_plugins( $GLOBALS['OTHER_STACKABLE_FILE'] );
}
}
}

if ( defined('STACKABLE_FILE') && STACKABLE_FILE !== __FILE__ && ! isset( $GLOBALS['OTHER_STACKABLE_FILE'] ) ) {
// Get relative file path of the other Stackable version.
$GLOBALS['OTHER_STACKABLE_FILE'] = plugin_basename( STACKABLE_FILE );

// Use a temporary option to store the other Stackable Plugin info needed for the admin notice. This will be deleted later.
// Note: We cannot use add_action in the register_activation_hook callback so we use this temporary option.
// See https://developer.wordpress.org/reference/functions/register_activation_hook/#process-flow for more info.
add_option( 'stackable_other_stackable_plugin_info', [ 'BUILD' => STACKABLE_BUILD, 'VERSION' => STACKABLE_VERSION ] );

register_activation_hook( __FILE__, 'stackable_multiple_plugins_check' );
}

// Freemius SDK: Auto deactivate the free version when activating the paid one.
if ( function_exists( 'sugb_fs' ) ) {
sugb_fs()->set_basename( true, __FILE__ );
Expand Down Expand Up @@ -158,6 +179,28 @@ function stackable_notice_gutenberg_plugin_ignore() {
add_action( 'wp_ajax_stackable_notice_gutenberg_plugin_ignore', 'stackable_notice_gutenberg_plugin_ignore' );
}

/**
* Show notice if another Stackable plugin has been deactivated.
*
* @since 3.18.1
*/
if ( ! function_exists( 'stackable_notice_other_stackable_plugin_deactivated' ) ) {
function stackable_notice_other_stackable_plugin_deactivated() {
$OTHER_STACKABLE_INFO = get_option( 'stackable_other_stackable_plugin_info', false );
if ( $OTHER_STACKABLE_INFO ) {
printf(
'<div class="notice notice-info is-dismissible stackable_notice_gutenberg_plugin"><p>%s</p></div>',
sprintf( esc_html__( '%sStackable Notice%s: The Stackable plugin (%s version %s) has been deactivated. Only one active Stackable plugin is needed.', STACKABLE_I18N ), '<strong>', '</strong>', $OTHER_STACKABLE_INFO['BUILD'], $OTHER_STACKABLE_INFO['VERSION'] )
);
delete_option( 'stackable_other_stackable_plugin_info' );
}
}

if ( get_option( 'stackable_other_stackable_plugin_info', false ) ) {
add_action( 'admin_notices', 'stackable_notice_other_stackable_plugin_deactivated' );
}
}

/********************************************************************************************
* END Activation & PHP version checks.
********************************************************************************************/
Expand Down
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