: str_replace(): Passing null to parameter #2 ($replace) of type array|string is deprecated in
namespace WPForms\Lite\Admin;
use WPForms\Helpers\PluginSilentUpgraderSkin;
* WPForms Connect is our service that makes it easy for non-techy users to
* upgrade to WPForms Pro without having to manually install WPForms Pro plugin.
* @since 1.5.6.1 Extend PluginSilentUpgraderSkin and clean up the class.
class ConnectSkin extends PluginSilentUpgraderSkin {
* Instead of outputting HTML for errors, json_encode the errors and send them
* back to the Ajax script for processing.
* @param array $errors Array of errors with the install process.
public function error( $errors ) {
if ( ! empty( $errors ) ) {
'error' => \esc_html__( 'There was an error installing WPForms Pro. Please try again.', 'wpforms-lite' ),