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David Grudl dg

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dg / weak-typing.php
Created February 12, 2015 19:59
Weak typing in PHP
<?php
function foo(int $bar) : int {
return $bar * 2;
}
var_dump( foo(2.5) ); // int(4) and triggers E_NOTICE - great!
// but without E_NOTICE it as bad as:
var_dump( foo((int) 2.5) );
@dg
dg / demo.php
Created March 17, 2015 12:01
Arrays in classes can't have more than 32767 items
<?php
var_dump(Test::$table); // dumps empty array()
class Test
{
static $table = array(
'_0' => 1, '_1' => 1, '_2' => 1, '_3' => 1, '_4' => 1, '_5' => 1, '_6' => 1, '_7' => 1, '_8' => 1, '_9' => 1,
'_10' => 1, '_11' => 1, '_12' => 1, '_13' => 1, '_14' => 1, '_15' => 1, '_16' => 1, '_17' => 1, '_18' => 1, '_19' => 1,
@dg
dg / verifyIC.php
Created June 30, 2015 15:03
Ověření rodného čísla a IČ
<?php
function verifyIC($ic)
{
// be liberal in what you receive
$ic = preg_replace('#\s+#', '', $ic);
// má požadovaný tvar?
if (!preg_match('#^\d{8}$#', $ic)) {
return FALSE;
@dg
dg / latte-php-mix.php
Created July 7, 2015 19:04
Nette Sandbox ala React
<?php
namespace App\Presenters;
use Nette;
use App\Model;
class HomepagePresenter extends BasePresenter
{
@dg
dg / ssl.conf
Created December 14, 2015 21:37
Redirect to HTTPS for all except Windows XP
server {
...
listen 443 ssl;
listen 80;
if ($server_port = 80) {
set $xp A;
}
@dg
dg / gist:92b041f0315a5fe5745819b180bf7237
Created April 20, 2017 18:12
Chrome DevTools failing example
<!DOCTYPE html>
<head>
<meta charset="utf-8">
<meta name="viewport" content="width=device-width, initial-scale=1">
</head>
<div style="width: 300px; height: 300px; background: blue"></div>
@dg
dg / typehints.php
Last active May 31, 2018 15:21
Converts @param & @return to native PHP typehints
<?php
declare(strict_types=1);
require '/nette.phar';
class TypeHints
{
public $php71 = true;
@dg
dg / persistent.parameter.trait.php
Created May 31, 2018 13:54
Transfer of a persistent parameter between two presenters without an inheritance
<?php
// transfer of a persistent parameter between two presenters without an inheritance
// (requires nette/application 3.0.0)
trait LangParameter
{
/** @persistent */
public $lang;
@dg
dg / composing.presenters.php
Created May 31, 2018 14:00
Composing presenters without inheritance
<?php
// composing presenters without inheritance
// (requires nette/application 2.4.11)
trait RequireLoggedUser
{
public function injectRequireLoggedUser()
{
@dg
dg / StrictObject.php
Created June 11, 2018 08:51
Nette\StrictObject, simplified alternative for Nette\SmartObject (compatible with nette/utils 2.4)
<?php
/**
* This file is part of the Nette Framework (https://nette.org)
* Copyright (c) 2004 David Grudl (https://davidgrudl.com)
*/
namespace Nette;
use Nette\Utils\ObjectHelpers;