Java7 & PHP 5.5. LSP / properties & methods

gistfile1.java

/* **** JAVA ******************************** */
class A
{
    public String p = "from A";
    public String m()
    {
        return this.p; // or simple p
    }
}
 
class B extends A
{
    public String p = "from B";
}
...
B b = new B();
System.out.println(b.m()); // from A

/* **** PHP ******************************** */
class A
{
    public $p = "from A";    
    public function m()
    {
        return $this->p;
    }
}
 
class B extends A
{
    public $p = "from B";    
}
 
$b = new B();
echo $b->m(); // from B 

/* **** JAVA ******************************** */
class A
{
    public String p(){ return "from A"; }    
    public String m()
    {
        return this.p(); // or simple p()
    }
}
 
class B extends A
{
    public String p(){ return "from B"; }
}
...
B b = new B();
System.out.println(b.m()); // from B

/* **** PHP ******************************** */
class A
{
    public function p(){ return "from A"; }    
    public function m()
    {
        return $this->p();
    }
}
 
class B extends A
{
    public function p(){ return "from B"; }
}
 
$b = new B();
echo $b->m(); // from B

https://gist.github.com/3F/8357145