Gists
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Download třída - pro starší projekty
•
PHP
download.php #
<?php
/**
* trida pro stazeni souboru
* tato trida umoznuje stejnou funkcnost jak v IE tak ve firefoxu
*
* @author Dostal Ales
* @version 1.1
* @date 13.4.2006
*
*/
class DownloadFile
{
/****************************** METODY TRIDY ******************************/
/**
* konstruktor tridy pro stazeni souboru
*
* @param String $file zdroj k souboru, ktery se bude stahovat
*
*/
function ExecuteDL($file)
{
// zjisteni, zda soubor existuje
if (!is_file($file)) {
die("<b>404 Soubor neexistuje!</b>");
}
// ziskani informaci o souboru
$len = filesize($file);
$filename = basename($file);
$file_extension = strtolower(substr(strrchr($filename,"."),1));
// nastaveni content-type pro vybrane soubory
switch( $file_extension )
{
case "pdf": $ctype="application/pdf"; break;
case "exe": $ctype="application/octet-stream"; break;
case "zip": $ctype="application/zip"; break;
case "doc": $ctype="application/msword"; break;
case "xls": $ctype="application/vnd.ms-excel"; break;
case "ppt": $ctype="application/vnd.ms-powerpoint"; break;
case "gif": $ctype="image/gif"; break;
case "png": $ctype="image/png"; break;
case "jpeg":
case "jpg": $ctype="image/jpg"; break;
case "mp3": $ctype="audio/mpeg"; break;
case "wav": $ctype="audio/x-wav"; break;
case "mpeg":
case "mpg":
case "mpe": $ctype="video/mpeg"; break;
case "mov": $ctype="video/quicktime"; break;
case "avi": $ctype="video/x-msvideo"; break;
# tyto soubory nemohou byt stazeny
case "php":
case "htm":
case "html":
case "txt": die("<b>Není možné stahovat ". $file_extension ." soubory!</b>");
break;
default: $ctype="application/force-download";
}
# odeslani hlavicek
session_cache_limiter("private"); # v IE nelze stáhnout dokument pres HTTPS
header("Pragma: public");
header("Expires: 0");
header("Cache-Control: must-revalidate, post-check=0, pre-check=0");
header("Cache-Control: public");
header("Content-Description: File Transfer");
# generuje typ pro content-type
header("Content-Type: $ctype");
# co stahuji
$header="Content-Disposition: attachment; filename=".str_replace("./download/", "", $file).";";
header($header );
header("Content-Transfer-Encoding: binary");
header("Content-Length: ".$len);
readfile($file);
exit;
} # public function __construct($file)
} # class APIDownloadFile
?>
On gists
Ukázková komponenta
•
Nette-Controls
Open Graph Component.php #
<?
class OpenGraphControl extends Nette\Application\UI\Control
{
/** @var Nette\Utils\Html[] */
private $tags = [];
public function addOgTag($property, $content)
{
$this->tags[] = Nette\Utils\Html::el('meta', [
'property' => $property,
'content' => $content,
]);
return $this;
}
public function render()
{
$el = Nette\Utils\Html::el();
foreach ($this->tags as $tag) {
$el->add($tag);
}
echo $el;
}
}
$this['openGraph']->addOgTag('og:video', 'http://www.youtube.com/watch?v=' . $this->content->url);
On gists
Psaní do obrázků - PHP
•
Nette
drawingIntoImage.php #
<?php
$im = imagecreatefromjpeg("match-trailer.jpg");
$font = 'fonts/calibrib.ttf';
$fontNormal = 'fonts/calibri.ttf';
$teams = mb_strtoupper("FC Combix - FC Bohemians Praha B", 'UTF-8');
$white = ImageColorAllocate($im, 255, 255, 255);
$orange = ImageColorAllocate($im, 255, 127, 0);
$black = ImageColorAllocate($im, 0, 0, 0);
// Týmy
ImagettfText($im, $fontSize = 34, 0, 30, 80, $white, $font, $teams);
// Kde
ImagettfText($im, $fontSize = 20, 0, 30, 170, $orange, $font, 'KDY:');
ImagettfText($im, $fontSize = 20, 0, 95, 170, $white, $fontNormal, '25.8.2014');
// Kde
ImagettfText($im, $fontSize = 20, 0, 30, 220, $orange, $font, 'KDE:');
ImagettfText($im, $fontSize = 20, 0, 95, 220, $white, $fontNormal, 'Stadiony Bohemians, Přípotoční 27/a');
// Vstupné
ImagettfText($im, $fontSize = 24, 0, 30, 420, $black, $font, 'VSTUPNÉ:');
ImagettfText($im, $fontSize = 30, 0, 180, 420, $orange, $font, '60 Kč');
// Vystup
imageJpeg($im, "upoutavka.jpg");
ImageDestroy($im);
header('Content-type: image/jpg');
echo $image;
On gists
Youtube parser videa ( get info )
•
PHP
youtube-parser.php #
<?
//The Youtube's API url
define('YT_API_URL', 'http://gdata.youtube.com/feeds/api/videos?q=');
//Change below the video id.
$video_id = '66Wi3isw3NY';
//Using cURL php extension to make the request to youtube API
$ch = curl_init();
curl_setopt($ch, CURLOPT_URL, YT_API_URL . $video_id);
curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);
//$feed holds a rss feed xml returned by youtube API
$feed = curl_exec($ch);
curl_close($ch);
//Using SimpleXML to parse youtube's feed
$xml = simplexml_load_string($feed);
$entry = $xml->entry[0];
//If no entry whas found, then youtube didn't find any video with specified id
if(!$entry) exit('Error: no video with id "' . $video_id . '" whas found. Please specify the id of a existing video.');
$media = $entry->children('media', true);
$group = $media->group;
$title = $group->title;//$title: The video title
$desc = $group->description;//$desc: The video description
$vid_keywords = $group->keywords;//$vid_keywords: The video keywords
$thumb = $group->thumbnail[0];//There are 4 thumbnails, the first one (index 0) is the largest.
//$thumb_url: the url of the thumbnail. $thumb_width: thumbnail width in pixels.
//$thumb_height: thumbnail height in pixels. $thumb_time: thumbnail time in the video
list($thumb_url, $thumb_width, $thumb_height, $thumb_time) = $thumb->attributes();
$content_attributes = $group->content->attributes();
//$vid_duration: the duration of the video in seconds. Ex.: 192.
$vid_duration = $content_attributes['duration'];
//$duration_formatted: the duration of the video formatted in "mm:ss". Ex.:01:54
$duration_formatted = str_pad(floor($vid_duration/60), 2, '0', STR_PAD_LEFT) . ':' . str_pad($vid_duration%60, 2, '0', STR_PAD_LEFT);
//echoing the variables for testing purposes:
echo 'title: ' . $title . '<br />';
echo 'desc: ' . $desc . '<br />';
echo 'video keywords: ' . $vid_keywords . '<br />';
echo 'thumbnail url: ' . $thumb_url . '<br />';
echo 'thumbnail width: ' . $thumb_width . '<br />';
echo 'thumbnail height: ' . $thumb_height . '<br />';
echo 'thumbnail time: ' . $thumb_time . '<br />';
echo 'video duration: ' . $vid_duration . '<br />';
echo 'video duration formatted: ' . $duration_formatted;
On gists
FTP připojení a upload via PHP
•
PHP
FTP.php #
$connection = ftp_connect($server);
$login = ftp_login($connection, $ftp_user_name, $ftp_user_pass);
if (!$connection || !$login) { die('Connection attempt failed!'); }
$upload = ftp_put($connection, $dest, $source, $mode);
if (!$upload) { echo 'FTP upload failed!'; }
ftp_close($connection);
On gists
Ukázková komponenta - attached
•
Nette
FooControl.php #
<?php
use Nette\Application\UI;
class FooControl extends UI\Control
{
public function __construct(...)
{
//predani parametru a zavislosti
}
public function attached($presenter)
{
parent::attached($presenter); //nezapomenout zavolat
if($presenter instanceof UI\Presenter) { //jelikoz to muze byt i necho jinyho
//tady nejdriv muzes pracovat s presenterem - vytvaret linky, plnit sablonu....
}
}
public function handleFoo($bar) //zpracovani signalu foo s parametrem bar
{
//...
}
public function render()
{
$this->template->...
$this->template->render();
}
/*
jeste existujou pohledy pro komponenty, ale ty nedoporucuju, nefungujou s ajaxem
vykreslujou se pomoci {control foo:view}
v {control} muzes i predavat parametry, {control foo $xx, $yy} ale taky nedoporucuju, stejny problem jako s view
*/
public function renderView()
{
}
}
}
On gists
Checkbox-selectbox (popupbox)
•
CSS
checkbox-selectbox.html #
<!DOCTYPE html>
<html>
<head>
<style>
form {height:1.2em;border:1px solid black; overflow:hidden; float:left; padding-right:0.5em;}
form:hover, form:active {height:5.2em; overflow:scroll; overflow-x:hidden;}
</style>
</head>
<body>
<form>
Komu poslat<br>
<input type="checkbox" name="names[]" value="Fero">Fero<br>
<input type="checkbox" name="names[]" value="Alena">Alena<br>
<input type="checkbox" name="names[]" value="Tomas">Tomas<br>
<input type="checkbox" name="names[]" value="Foreveryone">Foreveryone<br>
<input type="checkbox" name="names[]" value="Patres10">Patres10<br>
</form>
</body>
</html>
On gists
Responsive tables (add cell description -- data attribute)
•
Helpers-Filters-Plugins
Add cell description.js #
function pridatPopisky(el) {
var popisky = el.getElementsByTagName("th");
var radky = el.getElementsByTagName("tr");
for (var i = 1; i < radky.length; i++) {
var bunky = radky[i].getElementsByTagName("td");
for (var j = 0; j < bunky.length; j++) {
bunky[j].setAttribute("popisek", $(popisky[j]).html());
}
}
}
On gists
Toogle input value -- better than placeholder (browser support)
•
jQuery
toggle input value.js #
$.fn.toggleInputValue = function(){
return $(this).each(function(){
var input = $(this);
var defaultValue = input.val();
input.focus(function() {
if(input.val() == defaultValue) input.val("");
}).blur(function(){
if(input.val().length == 0) input.val(defaultValue);
});
});
}