PHP Variable

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Here I am Describing Basic of Variable.

There are many type of variable used in PHP.

Following are some:

  • Variable from GET Method 
  • Variable from POST Method 
  • Variable Used in a PHP program itself
  • Variable from SESSION  
  • Variable from COOKIES


Variable Type

Description
GET Method Variable
 Variable Used as: Array
Using Technique: As Following:
  • By referencing in URL i.e. filname.php?variable1=value1&variable2=value2
  • By Sending by FORM method will be GET i.e. By HTML Input fields like text, password, select etc.
Validity/ Scope: Till they reference in URl or sent by Forms
Calling as: Called as $_GET['variable1'] and $_GET['variable2']
POST Method Variable
 Variable Used as: Array
Using Technique: As Following:
  • By Sending by FORM method will be POST i.e. By HTML Input fields like text, password, select etc.
Validity/ Scope: Till sent by Forms and the File is running
Calling as: Called as $_POST['variable1'] and $_POST['variable2']

To be continue ............

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