How to use the -> in PHP

Answer 1

It's for classes.

See here:

http://de.php.net/manual/en/language.oop5.basic.php

Answer 2

The -> is used with object methods/properties, example:

class foo{
  function bar(){
    echo 'Hello World';
  }
}

$obj = new foo;
$obj->bar(); // Hello World

More Info:

• http://de.php.net/manual/en/language.oop5.basic.php
• http://php.net/manual/en/tokens.php

Answer 3

-> operator access properties and methods of an object.

Probably you should read PHP OOP introduction: http://php.net/manual/en/language.oop5.php

Answer 4

Expanding on sarfraz's answer to demonstrate how to access properties:

class foo{
  public $value = "test"; 
  function bar(){
     //// code
  }
}

$obj = new foo;
$obj->bar();
echo $obj->value;     //displays "test"