: str_replace(): Passing null to parameter #2 ($replace) of type array|string is deprecated in
$notifications = $this->get();
if ( empty( $notifications ) ) {
$is_review_notice = ! empty( $notifications[0] ) && ! empty( $notifications[0]['id'] ) && $notifications[0]['id'] === 'review';
if ( ! $is_review_notice && ! empty( $_GET['feed_id'] ) ) {
$notifications_html = '';
$current_class = ' current';
$content_allowed_tags = array(
foreach ( $notifications as $notification ) {
$type = $notification['id'];
if ( ! empty( $notification['btns'] ) && is_array( $notification['btns'] ) ) {
foreach ( $notification['btns'] as $btn_type => $btn ) {
if ( $type == 'review' || $type == 'discount' ) {
$btn_class = $btn_type === 'primary' ? 'ctf-btn-blue' : 'ctf-btn-grey';
$btn_class = $btn_type === 'primary' ? 'ctf-btn-orange' : 'ctf-btn-grey';
if ( is_array( $btn['url'] ) ) {
foreach ( $btn['url'] as $key => $value ) {
$args[ sanitize_key( $key ) ] = sanitize_key( $value );
$btn['url'] = add_query_arg( $args );
if ( ! empty( $btn['attr'] ) ) {
$btn['target'] = '_blank';
if ( empty( $btn['class'] ) ) {
$buttons_html .= sprintf(
'<a href="%1$s" class="ctf-btn %2$s %3$s"%4$s>%5$s</a>',
! empty( $btn['url'] ) ? esc_url( $this->replace_merge_fields( str_replace( 'sbi_', 'ctf_', $btn['url'] ), $notification ) ) : '',
esc_attr( $btn['class'] ),
! empty( $btn['target'] ) && $btn['target'] === '_blank' ? ' target="_blank" rel="noopener noreferrer"' : '',
! empty( $btn['text'] ) ? sanitize_text_field( $btn['text'] ) : ''
$buttons_html = ! empty( $buttons_html ) ? '<div class="buttons">' . $buttons_html . '</div>' : '';
if ( empty( $notification['image'] ) ) {
$image_html = '<div class="bell">';
$image_html .= '<svg xmlns="http://www.w3.org/2000/svg" width="42" height="48" viewBox="0 0 42 48"><defs><style>.a{fill:#777;}.b{fill:#ca4a1f;}</style></defs><path class="a" d="M23-79a6.005,6.005,0,0,1-6-6h10.06a12.066,12.066,0,0,0,1.791,1.308,6.021,6.021,0,0,1-2.077,3.352A6.008,6.008,0,0,1,23-79Zm1.605-9H5.009a2.955,2.955,0,0,1-2.173-.923A3.088,3.088,0,0,1,2-91a2.919,2.919,0,0,1,.807-2.036c.111-.12.229-.243.351-.371a14.936,14.936,0,0,0,3.126-4.409A23.283,23.283,0,0,0,8.007-107.5a14.846,14.846,0,0,1,.906-5.145,14.5,14.5,0,0,1,2.509-4.324A15.279,15.279,0,0,1,20-122.046V-124a3,3,0,0,1,3-3,3,3,0,0,1,3,3v1.954a15.28,15.28,0,0,1,8.58,5.078,14.5,14.5,0,0,1,2.509,4.324,14.846,14.846,0,0,1,.906,5.145c0,.645.016,1.281.047,1.888A12.036,12.036,0,0,0,35-106a11.921,11.921,0,0,0-8.485,3.515A11.923,11.923,0,0,0,23-94a12,12,0,0,0,1.6,6Z" transform="translate(-2 127)"/><circle class="b" cx="9" cy="9" r="9" transform="translate(24 24)"/></svg>';
if ( $notification['image'] === 'balloon' ) {
'<div class="bell"><img src="%s" alt="notice">',
CTF_PLUGIN_URL . 'admin/assets/img/balloon.svg' );
} else if ( $notification['id'] === 'review' || $notification['id'] === 'discount' ) {
'<div class="bell"><img src="%s" alt="notice">',
CTF_PLUGIN_URL . 'admin/assets/img/' . sanitize_text_field( str_replace( array( 'sbi', '.png' ), array( 'ctf', '.svg' ), $notification['image'] ) )
$image_html = '<div class="thumb">';
$img_src = CTF_PLUGIN_URL . 'admin/assets/img/' . sanitize_text_field( $notification['image'] );
$image_html .= '<img src="'.esc_url( $img_src ).'" alt="notice">';
if ( isset( $notification['image_overlay'] ) ) {
$image_html .= '<div class="img-overlay">'. esc_html( str_replace( '%', '%%', $notification['image_overlay'] ) ).'</div>';
// Check if it's review notice then show step #1
if ( $type == 'review' ) {
$step1_img = CTF_PLUGIN_URL . 'admin/assets/img/' . sanitize_text_field( str_replace( array( 'sbi', 'png' ), array( 'ctf', 'svg' ), $notification['image'] ) );
$step1_img_html = sprintf('<div class="bell"><img src="%s" alt="notice"></div>', $step1_img);
$review_consent = get_option( 'ctf_review_consent' );
$ctf_open_feedback_url = 'https://smashballoon.com/feedback/?plugin=twitter-free';
// step #1 for the review notice
if ( ! $review_consent ) {
'<button class="ctf-btn-link" id="ctf_review_consent_yes">%s</button>',
__( 'Yes', 'custom-twitter-feeds' )
'<a href="%s" target="_blank" rel="nofollow noopener" class="ctf-btn-link" id="ctf_review_consent_no">%s</a>',
__( 'No', 'custom-twitter-feeds' )
$notifications_html .= sprintf(
'<div class="ctf_review_step1_notice" data-message-id="%3$s">' . $step1_img_html . '
<h3 class="title">%1$s</h3>
<div class="review-step-1-btns">%2$s</div>
__( 'Are you enjoying the Custom Twitter Feeds Plugin?', 'custom-twitter-feeds' ),
! empty( $notification['id'] ) ? esc_attr( sanitize_text_field( $notification['id'] ) ) : 0
$review_consent = get_option( 'ctf_review_consent' );
$review_step2_style = '';
if ( $type == 'review' && ! $review_consent ) {
$review_step2_style = 'style="display: none;"';
// Build the notification HTML for review notice
if ( $type == 'review' ) {
$notifications_html .= sprintf(
'<div class="message%5$s %7$s" data-message-id="%4$s" %6$s>' . $image_html . '
<h3 class="title">%1$s</h3>
<p class="content">%2$s</p>
__( 'Glad to hear you are enjoying it. Would you consider leaving a positive review?', 'custom-twitter-feeds' ),
__( 'It really helps to support the plugin and help others to discover it too!', 'custom-twitter-feeds' ),
! empty( $notification['id'] ) ? esc_attr( sanitize_text_field( $notification['id'] ) ) : 0,
( $notification['id'] == 'review' && ! empty( $review_step2_style ) ) ? $review_step2_style : '',
( $type == 'review' ) ? 'rn_step_2' : ''
} else if ( $type == 'discount' ) {
// Build the notification HTML for discount notice
$notifications_html .= sprintf(
'<div class="message%5$s %7$s" data-message-id="%4$s" %6$s>' . $image_html . '
<h3 class="title">%1$s</h3>
<p class="content">%2$s</p>
__( 'Exclusive offer - 60% off!', 'custom-twitter-feeds' ),
__( 'We don’t run promotions very often, but for a limited time we’re offering 60% Off our Pro version to all users of our free Custom Twitter Feeds.', 'custom-twitter-feeds' ),
! empty( $notification['id'] ) ? esc_attr( sanitize_text_field( $notification['id'] ) ) : 0,
( $notification['id'] == 'review' && ! empty( $review_step2_style ) ) ? $review_step2_style : '',
( $type == 'review' && ! $review_consent ) ? 'rn_step_2' : ''
// Notification HTML for other notices
$notifications_html .= sprintf(
'<div class="message%5$s" data-message-id="%4$s" %6$s>' . $image_html . '
<h3 class="title">%1$s</h3>
<p class="content">%2$s</p>
! empty( $notification['title'] ) ? $this->replace_merge_fields( sanitize_text_field( $notification['title'] ), $notification ) : '',
! empty( $notification['content'] ) ? wp_kses( $this->replace_merge_fields( $notification['content'], $notification ), $content_allowed_tags ) : '',
! empty( $notification['id'] ) ? esc_attr( sanitize_text_field( $notification['id'] ) ) : 0,
( $notification['id'] == 'review' && ! empty( $review_step2_style ) ) ? $review_step2_style : ''
// Only first notification is current.
$close_href = add_query_arg( array( 'ctf_dismiss' => $type ) );
if ( $type === 'review' || $type == 'discount' ) {
$type_class = $type === 'review' ? 'ctf_review_notice' : 'ctf_discount_notice';
<div id="ctf-notifications" class="<?php echo esc_attr( $type_class ); ?>">
title="<?php echo esc_attr__( 'Dismiss this message', 'custom-twitter-feeds' ); ?>"
<?php echo ( $type == 'review' || $type == 'discount' ) ? 'href="'. esc_attr( $close_href ) .'"' : '' ?>
<svg width="10" height="10" viewBox="0 0 10 10" fill="none" xmlns="http://www.w3.org/2000/svg">
<path d="M9.66683 1.27325L8.72683 0.333252L5.00016 4.05992L1.2735 0.333252L0.333496 1.27325L4.06016 4.99992L0.333496 8.72659L1.2735 9.66659L5.00016 5.93992L8.72683 9.66659L9.66683 8.72659L5.94016 4.99992L9.66683 1.27325Z" fill="white"/>
<?php if ( count( $notifications ) > 1 ) : ?>
<a class="prev disabled" title="<?php echo esc_attr__( 'Previous message', 'custom-twitter-feeds' ); ?>"><svg aria-hidden="true" focusable="false" data-prefix="fas" data-icon="chevron-left" role="img" xmlns="http://www.w3.org/2000/svg" viewBox="0 0 320 512" class="svg-inline--fa fa-chevron-left fa-w-10"><path fill="currentColor" d="M34.52 239.03L228.87 44.69c9.37-9.37 24.57-9.37 33.94 0l22.67 22.67c9.36 9.36 9.37 24.52.04 33.9L131.49 256l154.02 154.75c9.34 9.38 9.32 24.54-.04 33.9l-22.67 22.67c-9.37 9.37-24.57 9.37-33.94 0L34.52 272.97c-9.37-9.37-9.37-24.57 0-33.94z" class=""></path></svg></a>
<a class="next disabled" title="<?php echo esc_attr__( 'Next message', 'custom-twitter-feeds' ); ?>"><svg aria-hidden="true" focusable="false" data-prefix="fas" data-icon="chevron-right" role="img" xmlns="http://www.w3.org/2000/svg" viewBox="0 0 320 512" class="svg-inline--fa fa-chevron-right fa-w-10"><path fill="currentColor" d="M285.476 272.971L91.132 467.314c-9.373 9.373-24.569 9.373-33.941 0l-22.667-22.667c-9.357-9.357-9.375-24.522-.04-33.901L188.505 256 34.484 101.255c-9.335-9.379-9.317-24.544.04-33.901l22.667-22.667c9.373-9.373 24.569-9.373 33.941 0L285.475 239.03c9.373 9.372 9.373 24.568.001 33.941z" class=""></path></svg></a>
<?php echo $notifications_html; // phpcs:ignore WordPress.Security.EscapeOutput.OutputNotEscaped ?>
* Dismiss notification via AJAX. If it's a new user message, also dismiss it
public function dismiss() {
check_ajax_referer( 'ctf-admin', 'nonce' );
// Check for access and required param.
if ( ! $this->has_access() || empty( $_POST['id'] ) ) {
$id = sanitize_text_field( wp_unslash( $_POST['id'] ) );
if ( $id === 'review' ) {
$ctf_statuses_option = get_option( 'ctf_statuses', array() );
update_option( 'ctf_rating_notice', 'dismissed', false );
$ctf_statuses_option['rating_notice_dismissed'] = ctf_get_current_time();
update_option( 'ctf_statuses', $ctf_statuses_option, false );
} elseif ( $id === 'discount' ) {
update_user_meta( get_current_user_id(), 'ctf_ignore_new_user_sale_notice', 'always' );
$current_month_number = (int)date('n', ctf_get_current_time() );
$not_early_in_the_year = ($current_month_number > 5);
if ( $not_early_in_the_year ) {
update_user_meta( get_current_user_id(), 'ctf_ignore_bfcm_sale_notice', date( 'Y', ctf_get_current_time() ) );
$option = $this->get_option();
$type = is_numeric( $id ) ? 'feed' : 'events';
$option['dismissed'][] = $id;
$option['dismissed'] = array_unique( $option['dismissed'] );
if ( is_array( $option[ $type ] ) && ! empty( $option[ $type ] ) ) {
foreach ( $option[ $type ] as $key => $notification ) {
if ( $notification['id'] == $id ) { // phpcs:ignore WordPress.PHP.StrictComparisons
unset( $option[ $type ][ $key ] );
update_option( 'ctf_notifications', $option );