rurtubia · November 8, 2015 13:52
diff --git a/php_arrays.php b/php_arrays.php
 <?php
  //An array stores multiple values in one single variable.

  //In the following example $cars is an array
  $cars = array("Volvo","BMW","Toyota");
  
  //The PHP var_dump() function returns the data type and value:
  var_dump($cars);
 ?>
diff --git a/php_booleans.php b/php_booleans.php
 <?php
    //A boolean represents two possible states: TRUE or FALSE.
    $x = true;
    $y = false;
    //Booleans are often used in conditional testing. 
 ?>
diff --git a/php_floats.php b/php_floats.php
 <?php 
  //a number with a decimal point or a number in exponential form.
  $x = 10.365;
  
  //The PHP var_dump() function returns the data type and value:
  var_dump($x);
 ?>
diff --git a/php_integers.php b/php_integers.php
 <!DOCTYPE HTML>
 <HTML>
  <BODY>
    <?php
      //PHP Integers:
      
      # Range: -2,147,483,648 to +2,147,483,647
      # must have at least one digit (0-9)
      # cannot contain comma or blanks
      # must not have a decimal point
      # can be either positive or negative
      # can be specified as: 
      #     decimal (10-based)
      #     hexadecimal (16-based - prefixed with 0x)
      #     octal (8-based - prefixed with 0)
      
        $x = 5985;
        
        //The PHP var_dump() function returns the data type and value
        var_dump($x);
        
        
    ?>
  </BODY>
 </HTML>
diff --git a/php_null.php b/php_null.php
 <?php
  //Null is a special data type which can have only one value: NULL.
  //A variable of data type NULL is a variable that has no value assigned to it.
  //Tip: If a variable is created without a value, it is automatically assigned a value of NULL.

  $x = "Hello world!";
  //Variables can also be emptied by setting the value to NULL:
  $x = null;
  
  var_dump($x);
 ?>
diff --git a/php_objects.php b/php_objects.php
 <?php
  //object is a data type which stores data and information on how to process that data.
  //In PHP, an object must be explicitly declared.
  //First we must declare a class of object. 
    # For this, we use the class keyword. 
    #A class is a structure that can contain properties and methods:

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

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

  // show object properties
  echo $herbie->model;
 ?>
diff --git a/php_strings.php b/php_strings.php
 <!DOCTYPE HTML>
 <HTML>
  <BODY>
    <?php
      
      #sequence of characters.
      #A string can be any text inside quotes. 
      #You can use single or double quotes:
      
      $string1 = "hello World!";
      $string2 = 'bye World!';
    
      echo ("$string1");
      echo ("<br>");
      echo ("$string2");
      
    ?>
  </BODY>
 </HTML>
	<?php
	//An array stores multiple values in one single variable.

	//In the following example $cars is an array
	$cars = array("Volvo","BMW","Toyota");

	//The PHP var_dump() function returns the data type and value:
	var_dump($cars);
	?>
	<?php
	//A boolean represents two possible states: TRUE or FALSE.
	$x = true;
	$y = false;
	//Booleans are often used in conditional testing.
	?>
	<?php
	//a number with a decimal point or a number in exponential form.
	$x = 10.365;

	//The PHP var_dump() function returns the data type and value:
	var_dump($x);
	?>
	<!DOCTYPE HTML>
	<HTML>
	<BODY>
	<?php
	//PHP Integers:

	# Range: -2,147,483,648 to +2,147,483,647
	# must have at least one digit (0-9)
	# cannot contain comma or blanks
	# must not have a decimal point
	# can be either positive or negative
	# can be specified as:
	# decimal (10-based)
	# hexadecimal (16-based - prefixed with 0x)
	# octal (8-based - prefixed with 0)

	$x = 5985;

	//The PHP var_dump() function returns the data type and value
	var_dump($x);


	?>
	</BODY>
	</HTML>
	<?php
	//Null is a special data type which can have only one value: NULL.
	//A variable of data type NULL is a variable that has no value assigned to it.
	//Tip: If a variable is created without a value, it is automatically assigned a value of NULL.

	$x = "Hello world!";
	//Variables can also be emptied by setting the value to NULL:
	$x = null;

	var_dump($x);
	?>
	<?php
	//object is a data type which stores data and information on how to process that data.
	//In PHP, an object must be explicitly declared.
	//First we must declare a class of object.
	# For this, we use the class keyword.
	#A class is a structure that can contain properties and methods:

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

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

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