Dán vào function.php /* * Check spam cf7 bằng scroll * Author: levantoan.com * */ add_filter(‘wpcf7_form_elements’, ‘devvn_check_scroll_form_cf7’); function devvn_check_scroll_form_cf7($html){ $html = ‘<div style=”display: none”><p><span class=”wpcf7-form-control-wrap” data-name=”devvn-scroll”><input size=”40″ class=”wpcf7-form-control wpcf7-text” aria-invalid=”false” value=”0″ type=”text” name=”devvn-scroll”></span></p></div>’ . $html; return $html; } add_action(‘wpcf7_posted_data’, ‘devvn_check_scroll_form_cf7_vaild’); function devvn_check_scroll_form_cf7_vaild($posted_data) { $submission = WPCF7_Submission::get_instance(); $scroll = isset($posted_data[‘devvn-scroll’]) ? intval($posted_data[‘devvn-scroll’]) : 0; //nếu form…
