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b_angelr

PHP 4 Class error

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I got some experienc now in php and was going to rebuild my website using oop, but know i recive an extrange parse error: here is the example code i used:
[code]
<?php
  class MySQL{
    //comment
    public $myvar = "mystring";
  }
?>
[/code]

And now it says thet i have an unexpected T_STRING on line 4.

Somebody understands why these???

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The visibility keywords (public, private, protected) are not available in php 4. Use [i]var[/i] instead.

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Ok now i feel dumb... 3 years of php expirience for nothing.... i got an extrange warning... i declare a viriable as private, i use it in one function when i'm going to use it in a second function it is said that the veriable doesn't exists....
an example:
[code]
<?php
  class MySQL{
      private $foo;
      function first(){
        $foo = mysql_connect(blablabla);
      }

      function second(){
        mysql_close($foo); //here it sends me the error, it says $foo doesn't exist
      }
  }
?>
[/code]
Please can someone help me

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[code=php:0]
<?php
  class MySQL{
      private $foo;
      function first(){
        $this->foo = mysql_connect(blablabla);
      }

      function second(){
        mysql_close($this->foo); //here it sends me the error, it says $foo doesn't exist
      }
  }
?>
[/code]

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