What does PHP keyword var do

Question

This is probably a very trivial question  but I haven t been able to find the answer neither through web search engines  nor on php net  Please just direct me to where I can read about this  if you haven t got time to explain    What does the  var  keyword mean in PHP  Are there any differences between PHP4 and PHP5

User · Answer

The var keyword is used to declare variables in a class in PHP 4   class Foo       var  bar      With PHP 5 property and method visibility  public  protected and private  was introduced and thus var is deprecated

User · Answer

It s for declaring class member variables in PHP4  and is no longer needed  It will work in PHP5  but will raise an E STRICT warning in PHP from version 5 0 0 up to version 5 1 2  as of when it was deprecated  Since PHP 5 3  var has been un-deprecated and is a synonym for  public    Example usage   class foo       var  x    y      or you can use public like        public  x    y     this is also a class member variables      function bar

User · Answer

here and now in 2018 using var for variable declaration is synonymous with public as in  class Sample      var  usingVar      public  usingPublic       function

User · Answer

Answer  From php 5 3 and  gt   the var keyword is equivalent to public when declaring variables inside a class   class myClass     var  x      is the same as  for php 5 3 and  gt     class myClass     public  x      History  It was previously the norm for declaring variables in classes  though later became depreciated  but later  PHP 5 3  it became un-depreciated

User · Answer

I quote from http   www php net manual en language oop5 visibility php     Note   The PHP 4 method of declaring a variable with the var keyword is still supported for compatibility reasons  as a synonym for the public keyword   In PHP 5 before 5 1 3  its usage would generate an E STRICT warning

User · Answer

So basically it is an old style and do not use it for newer version of PHP  Better to use Public keyword instead if you are not in love with var keyword  So instead of using   class Test       var  name      Use   class Test      public  name

User · Answer

var is used like public  if a varable is declared like this in a class       var  a  if means its scope is public for the class    in simplea words var  public  var  a  public

User · Answer

In PHP7 3 still working     https   www php net manual en language oop5 visibility php     If declared using var  the property will be defined as public

[php] What does PHP keyword 'var' do?

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