wastesortingserver/admin/Alert.php

<?php

function response_with_click($message, $class, $script)
{
    echo <<<EOF
<script>
    function doClick() {
      $script
    }
</script>
<div class="container py-5">
<div class="alert $class alert-dismissible fade show col-5 m-auto text-center" role="alert">
      <strong>$message</strong>
      <button type="button" class="close" data-dismiss="alert" aria-label="Close" onclick="doClick()">
        <span aria-hidden="true">&times;</span>
      </button>
</div>
</div>
EOF;
}

function response($message, $class)
{
    echo <<<EOF
<div class="alert $class alert-dismissible fade show col-5 m-auto text-center" role="alert">
      <strong>$message</strong>
      <button type="button" class="close" data-dismiss="alert" aria-label="Close">
        <span aria-hidden="true">&times;</span>
      </button>
</div>
EOF;

}

function response_with_href($message, $class, $href)
{
    response_with_click($message, $class, <<<EOF
location.href='$href'
EOF
    );
}

function error_res($err, $href)
{
    response_with_href($err, "alert-danger", $href);
}

function info_res($info, $href)
{
    response_with_href($info, "alert-info", $href);
}

function warn_res($warn, $href)
{
    response_with_href($warn, "alert-warning", $href);
}

function warn_res_with_click($warn, $click)
{
    response_with_click($warn, "alert-warning", $click);
}