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PHP
Gists - PHP
On gists
PHP
Helpers-Filters-Plugins
Human Readable File Size with PHP
gistfile1.php #
<?php
# http://jeffreysambells.com/2012/10/25/human-readable-filesize-php
function human_filesize($bytes, $decimals = 2) {
$size = array('B','kB','MB','GB','TB','PB','EB','ZB','YB');
$factor = floor((strlen($bytes) - 1) / 3);
return sprintf("%.{$decimals}f", $bytes / pow(1024, $factor)) . @$size[$factor];
}
echo human_filesize(filesize('example.zip'));
On gists
PHP
PHP Curl to check if url is alive
curl_example.php #
<?php
function check_alive($url, $timeout = 10, $successOn = array(200, 301)) {
$ch = curl_init($url);
// Set request options
curl_setopt_array($ch, array(
CURLOPT_FOLLOWLOCATION => false,
CURLOPT_NOBODY => true,
CURLOPT_TIMEOUT => $timeout,
CURLOPT_USERAGENT => "page-check/1.0"
));
// Execute request
curl_exec($ch);
// Check if an error occurred
if(curl_errno($ch)) {
curl_close($ch);
return false;
}
// Get HTTP response code
$code = curl_getinfo($ch, CURLINFO_HTTP_CODE);
curl_close($ch);
// Page is alive if 200 OK is received
//return $code;
return in_array( $code, $successOn );
}
$checks = array(
'http://www.google.co.uk',
'http://www.facebook.com',
'http://www.bbc.co.uk',
'http://photogabble.co.uk',
'http://youtube.com'
);
foreach($checks as $check)
{
echo $check . ' is ' . ( (check_alive($check) ) ? 'Alive' : 'Dead' ) . "\n";
}
On gists
PHP
Helpers-Filters-Plugins
České řazení / Czech sorting
cs-sort.php #
<?
setlocale(LC_ALL, 'cs_CZ.UTF-8');
header("content-type: text/html; charset=UTF-8");
$arr = explode(",", "č, d, b, a, š, ř, o, x, z, ž, á, s, m");
uasort($arr, "strcoll");
echo "<pre>" . print_r($arr, 1) . "</pre>";
?>
On gists
Recolor image From http://stackoverflow.com/questions/12178874/replace-a-color-with-another-in-an-image-with-php
On gists
Serverová ochrana PHP AUTH
•
PHP
PHP AUTH.php #
<?
$LoginSuccessful = false;
$login = $password = 'xxx';
if (isset($_SERVER['PHP_AUTH_USER']) && isset($_SERVER['PHP_AUTH_PW'])){
$Username = $_SERVER['PHP_AUTH_USER'];
$Password = $_SERVER['PHP_AUTH_PW'];
if ($Username == $login && $Password == $password){
$LoginSuccessful = true;
}
}
if (!$LoginSuccessful)
{
header('WWW-Authenticate: Basic realm="Secret page"');
header('HTTP/1.0 401 Unauthorized');
print "Login failed!\n";
exit(0);
}
On gists
Komplexní IP
•
PHP
Get location by Ip address.php #
<?
function getLocationInfoByIp(){
$client = @$_SERVER['HTTP_CLIENT_IP'];
$forward = @$_SERVER['HTTP_X_FORWARDED_FOR'];
$remote = @$_SERVER['REMOTE_ADDR'];
$result = array('country'=>'', 'city'=>'');
if(filter_var($client, FILTER_VALIDATE_IP)){
$ip = $client;
}elseif(filter_var($forward, FILTER_VALIDATE_IP)){
$ip = $forward;
}else{
$ip = $remote;
}
$ip_data = @json_decode(file_get_contents("http://www.geoplugin.net/json.gp?ip=".$ip));
if($ip_data && $ip_data->geoplugin_countryName != null){
$result['country'] = $ip_data->geoplugin_countryCode;
$result['city'] = $ip_data->geoplugin_city;
}
return $result;
}
On gists
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
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);