I have hosted my site on shared hosting. (Linux) I have placed phantomjhs in export/bin folder and provided 755 Permission. shell_exec() also enabled.

Even I am getting null result for

if(!function_exists('shell_exec')) {

    throw new \Exception( "exec is disabled");
    return false;
    }
    
    $result = shell_exec($command);
    // echo str_replace("<", "&lt", $result); exit;
    if (strpos($result, ";")===false) {
        throw new \Exception("Could not execute phantomjs");
    }

Please let me know if any suggestions.