Namespace in php

//Syntax
//Declare a namespace called Html:

namespace Html;
/*Note: A namespace declaration must be the
first thing in the PHP file. The following
code would be invalid:

<?php
echo "Hello World!";
namespace Html;
...
?>*/


PHP Namespaces
PHP Namespaces
Namespaces are qualifiers that solve two different problems:

They allow for better organization by grouping classes that work together to perform a task
They allow the same name to be used for more than one class
For example, you may have a set of classes which describe an HTML table, such as Table, Row and Cell while also having another set of classes to describe furniture, such as Table, Chair and Bed. Namespaces can be used to organize the classes into two different groups while also preventing the two classes Table and Table from being mixed up.

Declaring a Namespace
Namespaces are declared at the beginning of a file using the namespace keyword:

Syntax
Declare a namespace called Html:

namespace Html;
Note: A namespace declaration must be the first thing in the PHP file. The following code would be invalid:

<?php
echo "Hello World!";
namespace Html;
...
?>
  
/*Constants, classes and functions declared in this file will belong to the Html namespace:

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>

Similar codes

0 vote226 views1 answer
Laravel 8 created at format
PHP Laravel
0 vote221 views1 answer
Rename matomo php
PHP
0 vote216 views1 answer
Loop laravel 8
PHP Laravel
21 votes274 views6 answers
Do shortcode wordpress
PHP Wordpress
0 vote210 views1 answer
Change regards line laravel
PHP
0 vote261 views1 answer
How to add recaptcha validation in php
PHP
0 vote159 views1 answer
Ascii vrednosti php
PHP
11 votes207 views3 answers
Laravel get last month records
PHP
0 vote211 views1 answer
OrWhereRaw
PHP
40 votes215 views6 answers
Laravel create migration
PHP