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|
<?php
/**
* poche, a read it later open source system
*
* @category poche
* @author Nicolas Lœuillet <support@inthepoche.com>
* @copyright 2013
* @license http://www.wtfpl.net/ see COPYING file
*/
class MyTool
{
public static function initPhp()
{
define('START_TIME', microtime(true));
if (phpversion() < 5) {
die("Argh you don't have PHP 5 !");
}
error_reporting(E_ALL);
function stripslashesDeep($value) {
return is_array($value)
? array_map('stripslashesDeep', $value)
: stripslashes($value);
}
if (get_magic_quotes_gpc()) {
$_POST = array_map('stripslashesDeep', $_POST);
$_GET = array_map('stripslashesDeep', $_GET);
$_COOKIE = array_map('stripslashesDeep', $_COOKIE);
}
ob_start();
register_shutdown_function('ob_end_flush');
}
public static function isUrl($url)
{
// http://neo22s.com/check-if-url-exists-and-is-online-php/
$pattern='|^http(s)?://[a-z0-9-]+(.[a-z0-9-]+)*(:[0-9]+)?(/.*)?$|i';
return preg_match($pattern, $url);
}
public static function isEmail($email)
{
$pattern = "/^[A-Z0-9._%-]+@[A-Z0-9.-]+\.[A-Z]{2, 4}$/i";
return (preg_match($pattern, $email));
}
public static function formatBBCode($text)
{
$replace = array(
'/\[m\](.+?)\[\/m\]/is'
=> '/* moderate */',
'/\[b\](.+?)\[\/b\]/is'
=> '<strong>$1</strong>',
'/\[i\](.+?)\[\/i\]/is'
=> '<em>$1</em>',
'/\[s\](.+?)\[\/s\]/is'
=> '<del>$1</del>',
'/\[u\](.+?)\[\/u\]/is'
=> '<span style="text-decoration: underline;">$1</span>',
'/\[url\](.+?)\[\/url]/is'
=> '<a href="$1">$1</a>',
'/\[url=(\w+:\/\/[^\]]+)\](.+?)\[\/url]/is'
=> '<a href="$1">$2</a>',
'/\[quote\](.+?)\[\/quote\]/is'
=> '<blockquote>$1</blockquote>',
'/\[code\](.+?)\[\/code\]/is'
=> '<code>$1</code>',
'/\[([^[]+)\|([^[]+)\]/is'
=> '<a href="$2">$1</a>'
);
$text = preg_replace(
array_keys($replace),
array_values($replace),
$text
);
return $text;
}
public static function formatText($text)
{
$text = preg_replace_callback(
'/<code_html>(.*?)<\/code_html>/is',
create_function(
'$matches',
'return htmlspecialchars($matches[1]);'
),
$text
);
$text = preg_replace_callback(
'/<code_php>(.*?)<\/code_php>/is',
create_function(
'$matches',
'return highlight_string("<?php $matches[1] ?>", true);'
),
$text
);
$text = preg_replace('/<br \/>/is', '', $text);
$text = preg_replace(
'#(^|\s)([a-z]+://([^\s\w/]?[\w/])*)(\s|$)#im',
'\\1<a href="\\2">\\2</a>\\4',
$text
);
$text = preg_replace(
'#(^|\s)wp:?([a-z]{2}|):([\w]+)#im',
'\\1<a href="http://\\2.wikipedia.org/wiki/\\3">\\3</a>',
$text
);
$text = str_replace(
'http://.wikipedia.org/wiki/',
'http://www.wikipedia.org/wiki/',
$text
);
$text = str_replace('\wp:', 'wp:', $text);
$text = str_replace('\http:', 'http:', $text);
$text = MyTool::formatBBCode($text);
$text = nl2br($text);
return $text;
}
public static function getUrl()
{
$https = (!empty($_SERVER['HTTPS'])
&& (strtolower($_SERVER['HTTPS']) == 'on'))
|| (isset($_SERVER["SERVER_PORT"])
&& $_SERVER["SERVER_PORT"] == '443'); // HTTPS detection.
$serverport = (!isset($_SERVER["SERVER_PORT"])
|| $_SERVER["SERVER_PORT"] == '80'
|| ($https && $_SERVER["SERVER_PORT"] == '443')
? ''
: ':' . $_SERVER["SERVER_PORT"]);
$scriptname = str_replace('/index.php', '/', $_SERVER["SCRIPT_NAME"]);
if (!isset($_SERVER["SERVER_NAME"])) {
return $scriptname;
}
return 'http' . ($https ? 's' : '') . '://'
. $_SERVER["SERVER_NAME"] . $serverport . $scriptname;
}
public static function rrmdir($dir)
{
if (is_dir($dir) && ($d = @opendir($dir))) {
while (($file = @readdir($d)) !== false) {
if ( $file == '.' || $file == '..' ) {
continue;
} else {
unlink($dir . '/' . $file);
}
}
}
}
public static function humanBytes($bytes)
{
$siPrefix = array( 'bytes', 'KB', 'MB', 'GB', 'TB', 'EB', 'ZB', 'YB' );
$base = 1024;
$class = min((int) log($bytes, $base), count($siPrefix) - 1);
$val = sprintf('%1.2f', $bytes / pow($base, $class));
return $val . ' ' . $siPrefix[$class];
}
public static function returnBytes($val)
{
$val = trim($val);
$last = strtolower($val[strlen($val)-1]);
switch($last)
{
case 'g': $val *= 1024;
case 'm': $val *= 1024;
case 'k': $val *= 1024;
}
return $val;
}
public static function getMaxFileSize()
{
$sizePostMax = MyTool::returnBytes(ini_get('post_max_size'));
$sizeUploadMax = MyTool::returnBytes(ini_get('upload_max_filesize'));
// Return the smaller of two:
return min($sizePostMax, $sizeUploadMax);
}
public static function smallHash($text)
{
$t = rtrim(base64_encode(hash('crc32', $text, true)), '=');
// Get rid of characters which need encoding in URLs.
$t = str_replace('+', '-', $t);
$t = str_replace('/', '_', $t);
$t = str_replace('=', '@', $t);
return $t;
}
public static function renderJson($data)
{
header('Cache-Control: no-cache, must-revalidate');
header('Expires: Sat, 26 Jul 1997 05:00:00 GMT');
header('Content-type: application/json; charset=UTF-8');
echo json_encode($data);
exit();
}
public static function grabToLocal($url, $file, $force = false)
{
if ((!file_exists($file) || $force) && in_array('curl', get_loaded_extensions())){
$ch = curl_init ($url);
curl_setopt($ch, CURLOPT_HEADER, false);
curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
curl_setopt($ch, CURLOPT_BINARYTRANSFER, true);
$raw = curl_exec($ch);
if (curl_getinfo($ch, CURLINFO_HTTP_CODE) == 200) {
$fp = fopen($file, 'x');
fwrite($fp, $raw);
fclose($fp);
}
curl_close ($ch);
}
}
public static function redirect($rurl = '')
{
if ($rurl === '') {
// if (!empty($_SERVER['HTTP_REFERER']) && strcmp(parse_url($_SERVER['HTTP_REFERER'],PHP_URL_HOST),$_SERVER['SERVER_NAME'])==0)
$rurl = (empty($_SERVER['HTTP_REFERER'])?'?':$_SERVER['HTTP_REFERER']);
if (isset($_POST['returnurl'])) {
$rurl = $_POST['returnurl'];
}
}
// prevent loop
if (empty($rurl) || parse_url($rurl, PHP_URL_QUERY) === $_SERVER['QUERY_STRING']) {
$rurl = MyTool::getUrl();
}
if (substr($rurl, 0, 1) !== '?') {
$ref = MyTool::getUrl();
if (substr($rurl, 0, strlen($ref)) !== $ref) {
$rurl = $ref;
}
}
header('Location: '.$rurl);
exit();
}
public static function silence_errors($num, $str)
{
// No-op
}
}
|
