datatypes.php  with examples

/* PHP supports the following data types:
 *  String
 *  Integer
 *  Float 
 *  Boolean
 *  Array
 *  Object
 *  NULL
 *  Resource
 *  note that  var_dump($x)  displays type and value
 */
String examples 

Hello world! 

Hello world! 

Integer examples 

int(5985)
int(-1)
5985 

-1 

oct  0123 = 83 

hex  0xfff = 4095 

bin  0b1111 = 15 

Float examples 

float(10.365)
float(-0.001)
float(75000000000)
x= 10.365 

y= -0.001 

z= 75000000000 

Boolean examples 

1Array examples 

array(3) {
  [0]=>
  string(5) "Volvo"
  [1]=>
  string(3) "BMW"
  [2]=>
  string(6) "Toyota"
}
array(6) {
  [0]=>
  int(2)
  [1]=>
  int(3)
  [2]=>
  int(5)
  [3]=>
  int(7)
  [4]=>
  int(11)
  [5]=>
  int(13)
}
Object example 

VWNull example 

NULL
Resource example 

PHP Resource 

The special resource type is not an actual data type. 

It is the storing of a reference to functions and resources 

external to PHP. 

A common example of using the resource data type is a database call.