<?php
/**
* Useful functions
*
* @package Get Meta Tools
* @author SORIA Pierre-Henry
* @email pierrehs@hotmail.com
* @link http://github.com/pH-7
* @copyright Copyright pH7 Script All Rights Reserved.
* @license CC-BY - http://creativecommons.org/licenses/by/3.0/
* @version : dataUri.php 2012-02-2 pierrehs $
*/
namespace PH7\Seo\Meta;
defined('PH7') or exit('Restricted access');
/**
* @desc return the gettext function for the translate site
* @param string $sToken the text
* @return the text with gettext function
*/
function t($sToken, $sArg0 = '', $sArg1 = '', $sArg2 = '') {
$sToken = str_replace('%0%', $sArg0, $sToken);
$sToken = str_replace('%1%', $sArg1, $sToken);
$sToken = str_replace('%2%', $sArg2, $sToken);
return gettext($sToken);
}
/**
* @desc escape function, uses the PHP native htmlspecialchars but improves
* @param string $sText
* @param boolean $bStrip If true, the text will be passed through the strip_tags function PHP
* @return string text to HTML entities
*/
function escape($sText, $bStrip = false) {
return ($bStrip) ? strip_tags($sText) : htmlspecialchars($sText, ENT_QUOTES, PH7_ENCODING);
}
/**
* @desc Validate URL function
* @param string $sUrl
* @return boolean
*/
function checkUrl($sUrl) {
$sUrl = filter_var($sUrl, FILTER_SANITIZE_URL);
return (filter_var($sUrl, FILTER_VALIDATE_URL) && isSite($sUrl));
}
/**
* @desc Check if the url is valid
* @param string $sUrl
* @return boolean
*/
function isSite($sUrl) {
return @fopen($sUrl, 'r');
}
/**
* @desc Check URL valid with HTTP status code '200 OK'
* @param string $sUrl
* @return boolean
*/
function isValidSite($sUrl) {
$aUrl = @get_headers($sUrl);
return (strpos($aUrl[0], '200 OK') || strpos($aUrl[0], '301 Moved Permanently'));
}
/**
* @desc Check the communication protocol and correct if it is not correct
* @param string $sSite
* @return string site + correction if the protocol is not correct
*/
function checkProtocol($sSite) {
return (substr($sSite, 0, 4) !== 'http') ? 'http://' . $sSite : $sSite;
}
/**
* @desc redirect
* @param string $sSite
*/
function redirect($sSite) {
header('HTTP/1.1 301 Moved Permanently');
$sSite = (substr($sSite, 0, 4) === 'http') ? $sSite : PH7_URL_ROOT . $sSite;
header('Location: ' . $sSite);
exit();
}
/**
* @desc Loading the class
*/
function loadClass($sClass) {
// Hack to remove namespace
$sClass = str_replace(__NAMESPACE__, '', $sClass);
$sClass = str_replace('\\', '', $sClass);
$sClass = str_replace('//', '', $sClass);
$sPath = __DIR__ . '/class/' . $sClass . '.class.php';
if(is_file($sPath)) {
require $sPath;
}
return false;
}
spl_autoload_register(null, false);
spl_autoload_extensions('.class.php');
spl_autoload_register('\PH7\Seo\Meta\loadClass');
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