: str_replace(): Passing null to parameter #2 ($replace) of type array|string is deprecated in
if ( ! class_exists( 'WPCF7_Service' ) ) {
class WPCF7_Sendinblue extends WPCF7_Service {
use WPCF7_Sendinblue_API;
private static $instance;
public static function get_instance() {
if ( empty( self::$instance ) ) {
self::$instance = new self;
private function __construct() {
$option = WPCF7::get_option( 'sendinblue' );
if ( isset( $option['api_key'] ) ) {
$this->api_key = $option['api_key'];
public function get_title() {
return __( 'Brevo', 'contact-form-7' );
public function is_active() {
return (bool) $this->get_api_key();
public function get_api_key() {
public function get_categories() {
return array( 'email_marketing' );
'https://get.brevo.com/wpcf7-integration',
protected function log( $url, $request, $response ) {
wpcf7_log_remote_request( $url, $request, $response );
protected function menu_page_url( $args = '' ) {
$args = wp_parse_args( $args, array() );
$url = menu_page_url( 'wpcf7-integration', false );
$url = add_query_arg( array( 'service' => 'sendinblue' ), $url );
if ( ! empty( $args ) ) {
$url = add_query_arg( $args, $url );
protected function save_data() {
WPCF7::update_option( 'sendinblue', array(
'api_key' => $this->api_key,
protected function reset_data() {
public function load( $action = '' ) {
if ( 'setup' == $action and 'POST' == $_SERVER['REQUEST_METHOD'] ) {
check_admin_referer( 'wpcf7-sendinblue-setup' );
if ( ! empty( $_POST['reset'] ) ) {
$redirect_to = $this->menu_page_url( 'action=setup' );
$this->api_key = trim( $_POST['api_key'] ?? '' );
$confirmed = $this->confirm_key();
if ( true === $confirmed ) {
$redirect_to = $this->menu_page_url( array(
} elseif ( false === $confirmed ) {
$redirect_to = $this->menu_page_url( array(
'message' => 'unauthorized',
$redirect_to = $this->menu_page_url( array(
wp_safe_redirect( $redirect_to );
public function admin_notice( $message = '' ) {
if ( 'unauthorized' == $message ) {
'<div class="notice notice-error"><p><strong>%1$s</strong>: %2$s</p></div>',
esc_html( __( "Error", 'contact-form-7' ) ),
esc_html( __( "You have not been authenticated. Make sure the provided API key is correct.", 'contact-form-7' ) )
if ( 'invalid' == $message ) {
'<div class="notice notice-error"><p><strong>%1$s</strong>: %2$s</p></div>',
esc_html( __( "Error", 'contact-form-7' ) ),
esc_html( __( "Invalid key values.", 'contact-form-7' ) )
if ( 'success' == $message ) {
'<div class="notice notice-success"><p>%s</p></div>',
esc_html( __( 'Settings saved.', 'contact-form-7' ) )
public function display( $action = '' ) {
esc_html( __( "Store and organize your contacts while protecting user privacy on Brevo, the leading CRM & email marketing platform in Europe. Brevo offers unlimited contacts and advanced marketing features.", 'contact-form-7' ) )
'<p><strong>%s</strong></p>',
__( 'https://contactform7.com/sendinblue-integration/', 'contact-form-7' ),
__( 'Brevo integration', 'contact-form-7' )
if ( $this->is_active() ) {
'<p class="dashicons-before dashicons-yes">%s</p>',
esc_html( __( "Brevo is active on this site.", 'contact-form-7' ) )
if ( 'setup' == $action ) {
'<p><a href="%1$s" class="button">%2$s</a></p>',
esc_url( $this->menu_page_url( 'action=setup' ) ),
esc_html( __( 'Setup integration', 'contact-form-7' ) )
private function display_setup() {
$api_key = $this->get_api_key();
<form method="post" action="<?php echo esc_url( $this->menu_page_url( 'action=setup' ) ); ?>">
<?php wp_nonce_field( 'wpcf7-sendinblue-setup' ); ?>
<table class="form-table">
<th scope="row"><label for="publishable"><?php echo esc_html( __( 'API key', 'contact-form-7' ) ); ?></label></th>
if ( $this->is_active() ) {
echo esc_html( wpcf7_mask_password( $api_key, 4, 8 ) );
'<input type="hidden" value="%s" id="api_key" name="api_key" />',
'<input type="text" aria-required="true" value="%s" id="api_key" name="api_key" class="regular-text code" />',
if ( $this->is_active() ) {
_x( 'Remove key', 'API keys', 'contact-form-7' ),
submit_button( __( 'Save changes', 'contact-form-7' ) );
* Trait for the Sendinblue API (v3).
* @link https://developers.sendinblue.com/reference
trait WPCF7_Sendinblue_API {
public function confirm_key() {
$endpoint = 'https://api.sendinblue.com/v3/account';
'Accept' => 'application/json',
'Content-Type' => 'application/json; charset=utf-8',
'API-Key' => $this->get_api_key(),
$response = wp_remote_get( $endpoint, $request );
$response_code = (int) wp_remote_retrieve_response_code( $response );
if ( 200 === $response_code ) { // 200 OK
} elseif ( 401 === $response_code ) { // 401 Unauthorized
} elseif ( 400 <= $response_code ) {
$this->log( $endpoint, $request, $response );
public function get_lists( $options = '' ) {
$options = wp_parse_args( $options, array(
$endpoint = add_query_arg(
'https://api.sendinblue.com/v3/contacts/lists'
'Accept' => 'application/json',
'Content-Type' => 'application/json; charset=utf-8',
'API-Key' => $this->get_api_key(),
$response = wp_remote_get( $endpoint, $request );
$response_code = (int) wp_remote_retrieve_response_code( $response );
if ( 200 === $response_code ) { // 200 OK
$response_body = wp_remote_retrieve_body( $response );
$response_body = json_decode( $response_body, true );
if ( empty( $response_body['lists'] ) ) {
return (array) $response_body['lists'];
} elseif ( 400 <= $response_code ) {
$this->log( $endpoint, $request, $response );
public function get_templates() {
$endpoint = add_query_arg(
'templateStatus' => 'true',
'https://api.sendinblue.com/v3/smtp/templates'
'Accept' => 'application/json',
'Content-Type' => 'application/json; charset=utf-8',
'API-Key' => $this->get_api_key(),
$response = wp_remote_get( $endpoint, $request );
$response_code = (int) wp_remote_retrieve_response_code( $response );
if ( 200 === $response_code ) { // 200 OK
$response_body = wp_remote_retrieve_body( $response );
$response_body = json_decode( $response_body, true );
if ( empty( $response_body['templates'] ) ) {
return (array) $response_body['templates'];
} elseif ( 400 <= $response_code ) {
$this->log( $endpoint, $request, $response );
public function create_contact( $properties ) {
$endpoint = 'https://api.sendinblue.com/v3/contacts';
'Accept' => 'application/json',
'Content-Type' => 'application/json; charset=utf-8',
'API-Key' => $this->get_api_key(),
'body' => wp_json_encode( $properties ),
$response = wp_remote_post( $endpoint, $request );
$response_code = (int) wp_remote_retrieve_response_code( $response );
if ( in_array( $response_code, array( 201, 204 ), true ) ) {
$contact_id = wp_remote_retrieve_body( $response );
} elseif ( 400 <= $response_code ) {
$this->log( $endpoint, $request, $response );
public function send_email( $properties ) {
$endpoint = 'https://api.sendinblue.com/v3/smtp/email';
'Accept' => 'application/json',
'Content-Type' => 'application/json; charset=utf-8',
'API-Key' => $this->get_api_key(),
'body' => wp_json_encode( $properties ),
$response = wp_remote_post( $endpoint, $request );
$response_code = (int) wp_remote_retrieve_response_code( $response );
if ( 201 === $response_code ) { // 201 Transactional email sent
$message_id = wp_remote_retrieve_body( $response );
} elseif ( 400 <= $response_code ) {
$this->log( $endpoint, $request, $response );