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PHP namespace Keyword

❮ PHP Keywords

Example

Create a Table class in the Html namespace:

<?php
namespace Html;
class Table {
  public $title = "";
  public $numRows = 0;
  public function message() {
    echo "<p>Table '{$this->title}' has {$this->numRows} rows.</p>";
  }
}
$table = new Table();
$table->title = "My table";
$table->numRows = 5;
?>

<!DOCTYPE html>
<html>
<body>

<?php
$table->message();
?>

</body>
</html>
Try it Yourself »

Definition and Usage

The namespace keyword is used to declare in which namespace a PHP file is operating. Namespaces prevent conflicts between classes that have the same name and can be used to organize code by grouping related classes together.

Related Pages

Read more about namespaces in our PHP Namespaces Tutorial.

❮ PHP Keywords