View file File name : class-install-skin.php Content :<?php use WPForms\Helpers\PluginSilentUpgraderSkin; /** * Skin for on-the-fly addon installations. * * @since 1.0.0 * @since 1.5.6.1 Extend PluginSilentUpgraderSkin and clean up the class. */ class WPForms_Install_Skin extends PluginSilentUpgraderSkin { /** * Instead of outputting HTML for errors, json_encode the errors and send them * back to the Ajax script for processing. * * @since 1.0.0 * * @param array $errors Array of errors with the install process. */ public function error( $errors ) { if ( ! empty( $errors ) ) { wp_send_json_error( $errors ); } } }