$i = 0;
 
if ($i == 'dupa') {
   echo 'dupa';
} else {
   echo 'nie dupa';
}

return IsActive == true ? true : false;

<?php

/**
 * SetSelectedPlanet.php
 *
 * @version 1
 * @copyright 2008 By Chlorel for XNova
 */

function SetSelectedPlanet ( &$CurrentUser ) {
	global $_GET;

string str = Console.ReadLine();
string len = 0;
for(int i = 0; i < str.Length; i++)
{
    len++;
}

void printNumber(int Number){
    while(Number>0){
        int i=Number%10;
        switch(i) {
            case 1 : cout << '1'; // prints "1",
            case 2 : cout << '2'; // then prints "2"
            case 3 : cout << '3'; // then prints "3"
            case 4 : cout << '4'; // then prints "4"
            case 5 : cout << '5'; // then prints "5"
            case 6 : cout << '6'; // then prints "6"
            case 7 : cout << '7'; // then prints "7"
            case 8 : cout << '8'; // then prints "8"
            case 9 : cout << '9'; // then prints "9"
            case 0 : cout << '0'; // then prints "0"
            default : cout<<'5'; // :|
        }
        Number=Number/10;
    }
}

try:
    self._update_plan()
except Exception as e:
    raise Exception('{0}'.format(e))

bool IsEven(int i)
{
    if (i < 0)
        i *= -1;
        
    while(i > 0)
        i -= 2;
    
    if (i == -1)
        return false;
    else
        return true;
}

var filter = options.dataSource.filter();

if(e.filter) {
   filter = filter && filter.filters.length ? filter.filters.concat(e.filter.filter) : e.filter.filters;
}
else {
   filter = filter && filter.filters.length ? filter.filters.linqRemove({ field: e.field }) : [];
}
options.dataSource.filter(filter);

int my_array[] = {
#include "data.txt"
};

...
if (alignEntrySize & 1)
    alignEntrySize++;
if (alignEntrySize & 2)
    alignEntrySize += 2;
...

<div id="header">
 <ul>
 <li id="current"><a href="index.php">Strona Główna</a></li>
 <li id="current"><a href="index.php?cmd=1">Aktualności</a></li>
 <li id="current"><a href="index.php?cmd=2">Strony Serwisu</a></li>
 <li id="current"><a href="index.php?cmd=10">Artykuly</a></li>
 <li id="current"><a href="index.php?cmd=3">Linki</a></li>
 <li id="current"><a href="index.php?cmd=4">Księga Gości</a></li>
 <li id="current"><a href="index.php?cmd=5">Newsletter</a></li>
 <li id="current"><a href="index.php?cmd=6">Użytkownicy</a></li>
 <li id="current"><a href="index.php?cmd=8">Menu</a></li>
 <li id="current"><a href="index.php?cmd=12">Bannery</a></li>
 <li id="current"><a href="index.php?cmd=11">Pliki</a></li>
 <li id="current"><a href="index.php?cmd=7">Forum</a></li>
 <li id="current"><a href="index.php?cmd=13">Ban</a></li>
 <li id="current"><a href="index.php?cmd=9">Konfiguracja</a></li>
</ul></div>

    public function update($oldVersion) {
        switch ($oldVersion) {
            case '1.0.0':
            case '1.0.1':
                break;
            default:
                return false;
        }
        return true;
    }

17 *	* * *	root	[[ $(ping -c1 8.8.8.8 | tail -n2 | head -n1 | cut -d"," -f2 | cut -d" " -f2) != "1" ]] && { { /etc/init.d/networking restart && /etc/init.d/network-manager restart && curl "https://api.telegram.org/XXX:XXX/sendMessage?chat_id=XXX&text=\%22networking\%20and\%20network-manager\%20restarted\%22" ;} && { wget -O /dev/null -o /dev/null https://nyifiles.pfsense.org/mirror/downloads/pfSense-CE-2.3.5-RELEASE-2g-i386-nanobsd.img.gz && curl "https://api.telegram.org/XXX:XXX/sendMessage?chat_id=XXX&text=\%22wget\%20download\%20OK\%22" || curl "https://api.telegram.org/XXX:XXX/sendMessage?chat_id=XXX&text=\%22wget\%20download\%20KO\%22" ;} ;}

//this is a commit!!
trans.Commit();

function returnTrue() {
    return true;
}