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;

madfriend

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

madfriend

<?php

namespace traits;

   trait Singleton {    

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

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

CMS:

Database configurator: Propel (http://www.propelorm.org/), only migrations?
Model: Paris (https://github.com/j4mie/paris)
Controller: own, with given tools
Router: Klein (https://github.com/chriso/klein.php)
Packaging: Composer
View: Twig vs Smarty
User management: ??
Application: ??

madfriend

<?php

// How can foreach be implemented with while?
while (list($key, $value) = each($array)) {
   print "$key is $value".PHP_EOL;
}

// How to get rid of @ in foreach (@$arr .. ) ? 
// (this is always a bad practice, but anyway)

madfriend

<?php

function loop($count, $callback) {
	if (is_int($count)) {
		for ($i = 0; $i < $count; $i++) {
        	$callback($i);
		}
	}
	elseif(is_array($count)) {
		$_copy = $count;

madfriend

<?php
// A short example of my current bot API usage

hear("/^close( issue)? #(?P<id>\d+)/iu", function($bot, $msg, $matches) {
   
   // This bot likes to work with Redmine
   $issue = new \Redmine\Issue();
   $issue = $issue->find($matches['id']);
   
   // Is issue present?

madfriend

<?php

class Colorize {

   static $foreground_colors = array(
      'bold'         => '1',    'dim'          => '2',
      'black'        => '0;30', 'dark_gray'    => '1;30',
      'blue'         => '0;34', 'light_blue'   => '1;34',
      'green'        => '0;32', 'light_green'  => '1;32',
      'cyan'         => '0;36', 'light_cyan'   => '1;36',

madfriend

<?php

function preg_match_callback($expression, $subject, $callback) {
    static $matches_count = 0;
    preg_replace_callback($expression, function($matches) use($callback) {
       call_user_func($callback, $matches);
    }, $subject, -1, $matches_count);
    return $matches_count;
}