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

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

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

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

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

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

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

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

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

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

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