: str_replace(): Passing null to parameter #2 ($replace) of type array|string is deprecated in
<div class="ctf-stck-wdg">
$icons = TwitterFeed\Builder\CTF_Feed_Builder::builder_svg_icons();
$smashballoon_info = TwitterFeed\Builder\CTF_Feed_Builder::get_smashballoon_info();
<div class="ctf-stck-pop" v-if="stickyWidget">
<div class="ctf-stck-el ctf-stck-el-upgrd sb-btn-orange">
<div class="ctf-stck-el-icon"><?php echo $icons[$smashballoon_info['upgrade']['icon']] ?></div>
<div class="ctf-stck-el-txt sb-small-p sb-bold" style="color: #fff;"><?php echo __('Upgrade to Pro','custom-twitter-feeds') ?></div>
<div class="ctf-chevron">
<svg width="7" height="10" viewBox="0 0 7 10" fill="none" xmlns="http://www.w3.org/2000/svg">
<path d="M1.3332 0L0.158203 1.175L3.97487 5L0.158203 8.825L1.3332 10L6.3332 5L1.3332 0Z" fill="white"/>
<a :href="links.popup.allAccessBundle" target="_blank" class="ctf-fs-a"></a>
<div class="ctf-stck-title"><?php echo __('Our Feeds for other platforms','custom-twitter-feeds') ?></div>
<div class="ctf-stck-el-list ctf-fb-fs">
<?php foreach ($smashballoon_info['platforms'] as $platform): ?>
<div class="ctf-stck-el ctf-fb-fs">
<div class="ctf-stck-el-icon" style="color:<?php echo $smashballoon_info['colorSchemes'][$platform['icon']] ?>;"><?php echo $icons[$platform['icon']] ?></div>
<div class="ctf-stck-el-txt sb-small-text sb-small-p sb-dark-text"><?php echo $platform['name'] ?></div>
<div class="ctf-chevron">
<svg width="7" height="10" viewBox="0 0 7 10" fill="#8C8F9A" xmlns="http://www.w3.org/2000/svg"><path d="M1.3332 0L0.158203 1.175L3.97487 5L0.158203 8.825L1.3332 10L6.3332 5L1.3332 0Z" fill="#8C8F9A"></path></svg>
<a href="<?php echo esc_url($platform['link'] ) ?>" target="_blank" rel="nofollow noopener" class="ctf-fs-a"></a>
<div class="ctf-stck-follow ctf-fb-fs">
<span><?php echo __('Follow Us','custom-twitter-feeds') ?></span>
<div class="ctf-stck-flw-links">
<?php foreach ($smashballoon_info['socialProfiles'] as $social_key => $social): ?>
<a href="<?php echo esc_url($social); ?>" data-type="<?php echo $social_key ?>" target="_blank" rel="nofollow noopener" style="color:<?php echo $smashballoon_info['colorSchemes'][$social_key] ?>;"><?php echo $icons[$social_key] ?></a>
<div class="ctf-stck-wdg-btn" @click.prevent.default="toggleStickyWidget">
<span v-if="!stickyWidget"><?php echo $icons['smash']; ?></span>
<div v-else class="ctf-stck-wdg-btn-cls">
<svg width="15" height="15" viewBox="0 0 15 15" fill="none" xmlns="http://www.w3.org/2000/svg">
<path d="M14.501 1.77279L13.091 0.362793L7.50098 5.95279L1.91098 0.362793L0.500977 1.77279L6.09098 7.36279L0.500977 12.9528L1.91098 14.3628L7.50098 8.77279L13.091 14.3628L14.501 12.9528L8.91098 7.36279L14.501 1.77279Z" fill="#141B38"/>