Check String in String and push content to end file

Check String in String and push content to end file

$menu_data = @file_get_contents('layouts/v7/modules/Vtiger/partials/SidebarAppMenu.tpl');

$txt = "\n <script type=\"text/javascript\">   jQuery(document).ready(function () {      var app_menu = jQuery(\"#app-menu\");      var hrm_menu = app_menu.find(\"#HRM_modules_dropdownMenu\");        hrm_menu.attr('data-default-url','index.php?module=Employee&view=Index&app=HRM');    });</script>";

if(strpos($menu_data,$txt) === false){

    $myfile = @file_put_contents('layouts/v7/modules/Vtiger/partials/SidebarAppMenu.tpl', $txt.PHP_EOL , FILE_APPEND | LOCK_EX); 

   echo "Push ok !";

}