How can PHP variables be properly formatted and displayed in AngularJS templates?

To properly format and display PHP variables in AngularJS templates, you can use the `ng-bind` directive in your HTML code. This directive binds the content of a HTML element to a specific AngularJS scope variable, allowing you to display PHP variables in your AngularJS templates seamlessly.

<?php
$php_variable = "Hello, World!";
?>
<div ng-app="myApp" ng-controller="myCtrl">
  <p ng-bind="php_variable"></p>
</div>

<script>
var app = angular.module('myApp', []);
app.controller('myCtrl', function($scope) {
    $scope.php_variable = "<?php echo $php_variable; ?>";
});
</script>