str data type in php code example

Example 1: php data types

<?php
/*
Variables can store data of different types, and different data types can do different things.

PHP supports the following data types:

1) String
2) Integer
3) Float (floating point numbers - also called double)
4) Boolean
5) Array
6) Object
7) NULL
8) Resource
*/
  
// PHP String
$x = "Hello world!";
echo $x;

//PHP Integer
$x = 5985;
var_dump($x);

//PHP Float
$x = 10.365;
var_dump($x);

//PHP Boolean
$x = true;
$y = false;

//PHP Array
$cars = array("Volvo","BMW","Toyota");
var_dump($cars);

//PHP Object
  class Car {
      function Car() {
          $this->model = "VW";
      }
  }

  // create an object
  $herbie = new Car();

  // show object properties
  echo $herbie->model;

//PHP NULL Value
$x = "Hello world!";
$x = null;
var_dump($x);
?>

Example 2: PHP strings

<?php
echo 'this is a simple string';

echo 'You can also have embedded newlines in
strings this way as it is
okay to do';

// Outputs: Arnold once said: "I'll be back"
echo 'Arnold once said: "I\'ll be back"';

// Outputs: You deleted C:\*.*?
echo 'You deleted C:\\*.*?';

// Outputs: You deleted C:\*.*?
echo 'You deleted C:\*.*?';

// Outputs: This will not expand: \n a newline
echo 'This will not expand: \n a newline';

// Outputs: Variables do not $expand $either
echo 'Variables do not $expand $either';
?>