140 lines
3.3 KiB
PHP
140 lines
3.3 KiB
PHP
<?php
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/**
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* The Legend of Z
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*
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* @author Oliver Hanraths <oliver.hanraths@uni-duesseldorf.de>
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* @copyright 2014 Heinrich-Heine-Universität Düsseldorf
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* @license http://www.gnu.org/licenses/gpl.html
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* @link https://bitbucket.org/coderkun/the-legend-of-z
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*/
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namespace hhu\z;
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/**
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* Class for implementing utility methods.
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*
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* @author Oliver Hanraths <oliver.hanraths@uni-duesseldorf.de>
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*/
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class Utils
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{
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/**
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* Mask HTML-chars for save output.
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*
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* @static
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* @param string $string String to be masked
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* @return string Masked string
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*/
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public static function t($string)
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{
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return nl2br(htmlspecialchars($string));
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}
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/**
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* ‚htmlspecialchars‘ with support for UTF-8.
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*
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* @static
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* @param string $string String to be masked
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* @return string Masked string
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*/
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public static function htmlspecialchars_utf8($string)
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{
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return htmlspecialchars($string, ENT_COMPAT, 'UTF-8');
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}
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/**
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* Cut a string to the given length but only word boundaries.
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*
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* @static
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* @param string $string String to cut
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* @param int $length Length to cut string
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* @param int $scope Maximum length to cut string regardless word boundaries
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* @return string Cutted string
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*/
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public static function shortenString($string, $length, $scope)
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{
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// Determine length
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$length = min($length, strlen($string));
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// Look for word boundary
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if(($pos = strpos($string, ' ', $length)) !== false)
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{
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// Check if boundary is outside of scope
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if($pos > $length + $scope) {
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$pos = strrpos(substr($string, 0, $pos), ' ');
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}
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}
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else {
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$pos = strlen($string);
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}
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// Cut string and return it
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return substr($string, 0, $pos);
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}
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/**
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* Send an e‑mail.
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*
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* @param string $from Sender of mail
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* @param mixed $to One (string) or many (array) receivers
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* @param string $subject Subject of mail
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* @param string $message Message of mail
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* @param boolean $html Whether mail should be formatted as HTML or not
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* @return Whether mail has been send or not
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*/
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public static function sendMail($from, $to, $subject, $message, $html=false)
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{
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// Set receivers
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$to = is_array($to) ? implode(',', $to) : $to;
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// Set header
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$headers = array();
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$headers[] = 'Content-type: text/'.($html ? 'html' : 'plain').'; charset=UTF-8';
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if(!is_null($from)) {
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$headers[] = "From: $from";
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}
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$header = implode("\r\n", $headers)."\r\n";
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// Send mail
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return mail($to, $subject, $message, $header);
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}
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/**
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* Detect Mimetype of a file.
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*
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* @param string $filename Name of file to detect Mimetype of
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* @param string $defaultMimetype Default Mimetype to use
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* @return string Detected Mimetype of file
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*/
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public static function getMimetype($filename, $defaultMimetype=null)
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{
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$mimetype = (!is_null($defaultMimetype)) ? $defaultMimetype : 'application/octet-stream';
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// Use Fileinfo
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if(class_exists('\finfo'))
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{
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$finfo = new \finfo(FILEINFO_MIME_TYPE);
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if(!is_null($finfo)) {
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$mimetype = $finfo->file($filename);
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}
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}
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// Use deprecated mime_content_type()
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elseif(function_exists('mime_content_type')) {
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$mimetype = mime_content_type($filename);
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}
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return $mimetype;
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}
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}
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?>
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