madfriend

<?php
// Assume this function definition:

function foo($bar, $baz = 'qux') {
   return $bar.$baz;
}

// Oh crap, something went wrong, and we call it without arguments:

$foo = foo(); 

madfriend

<?php

namespace traits;

   trait Singleton {    

      // Для тех, кто не предусмотрел конструктор в классе
      private function __construct() {
      
      }

madfriend

def isPalindrome(word):
    if len(word)<2:
        return boolean(word)
    return (word[0] is word[-1]) ? IsPalindrome(word[1:-2]) : False 

madfriend

<?php

   // accepts default string and test function.
   // test function is tweaked everytime object of class LazyStrings is casted to string, 
   // if test function returns FALSE/NULL default string is returned, otherwise the result of 
   // test.

class LazyString {

   private $_default, $_tweak;