<?php

var_dump('aa' <= 'z'); // true
//....
var_dump('yz' <= 'z'); // true

void reverse(char s[])
{
  int i, j, t;
  for(i = 0, j = strlen(s)-1; i < j; i++, j--)
  {

<?php
  $phpArray = array("foo", "bar", "baz");
  //....
?>

<?
$date1 = strtotime('2009-01-01');
$date2 = strtotime('2010-01-01');

while ($date1 <= $date2) {

<?
$jsonString = '[{"name":"john","id":5932725006},{"name":"max","id":4953467146}]';

echo preg_replace('/("\w+"):(\d+)/', '\\1:"\\2"', $jsonString);

<?
$jsonString = '[{"name":"john","id":5932725006},{"name":"max","id":4953467146}]';

echo preg_replace("/(\d+)/", '"\\1"', $jsonString);

(let ((l '((4 3 1) (5 6 8))))
  (write (list-ref l 0)) ; get the element at index 0
) 

(let ((l '((4 3 1) (5 6 8))))

(let ((l '((4 3 1) (5 6 8))))
  (write (list-ref l 0))
) ; get the element at index 0

def sqrt(x):
    ans = 0
    if x >= 0:
        while ans*ans < x:
            ans = ans + 1

<?
$jsonString = '[{"id":1,"name":"Test nameu","phone":"214748364723432432"},{"id":2,"name":"Next name","phone":3774387}]';
$decoded = json_decode($jsonString);

foreach ($decoded as $obj) {

<?
$jsonString = '[{"id":1,"name":"Test nameu","phone":"214748364723432432"},{"id":2,"name":"Next name","phone":3774387}]';
$decoded = json_decode($jsonString);

foreach ($decoded as $obj) {

<?php
function zip($n1, $n2)
{
    return $n1 . $n2;
}

    <?
    $string = 'test1, test2, test3, test4,';
    $string = substr($string, 0, -1);
    $array = explode(',', $string);
    var_dump($array);

<?
$string = 'test1, test2, test3, test4,';
//$string = substr($string, 0, -1);
var_dump(explode(',', $string));

print Time.at(1252268867928/1000)

<?

function urlFriendly($title) 
{
    $title = preg_replace(array('/[^\w\s]/i', '/\s+/i'), array('','-'), $title);

<?
$year = date('Y');
$nextYear = $year + 1;

<?

$keys = array(
"0" => "sss",
"1" => "wst",

#include<stdio.h>

int add(int x, int y) {
    int a, b;
    do {

<?php
class foo
{
    public function init()
    {

#include<stdio.h>

unsigned int fib(unsigned int n)
{
	return n < 2 ? n : fib(n-1) + fib(n-2);