mirror of
https://github.com/Chouchen/ShikiryuRSS.git
synced 2024-05-19 06:11:32 +02:00
205 lines
5.2 KiB
PHP
205 lines
5.2 KiB
PHP
<?php
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namespace Shikiryu\SRSS;
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use DateTime;
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use DateTimeInterface;
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class SRSSTools
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{
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public static function check($check, $flag)
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{
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return match ($flag) {
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'nohtml' => self::noHTML($check),
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'link' => self::checkLink($check),
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'html' => self::HTML4XML($check),
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'date' => self::getRSSDate($check),
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'email' => self::checkEmail($check),
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'int' => self::checkInt($check),
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'hour' => self::checkHour($check),
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'day' => self::checkDay($check),
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'media_type' => self::checkMediaType($check),
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'media_medium' => self::checkMediaMedium($check),
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'bool' => self::checkBool($check),
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'medium_expression' => self::checkMediumExpression($check)
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};
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}
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/**
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* format the RSS to the wanted format
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*
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* @param $format string wanted format
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* @param $date string RSS date
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*
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* @return string date
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*/
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public static function formatDate(string $format, string $date): string
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{
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return date($format, strtotime($date));
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}
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/**
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* format a date for RSS format
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*
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* @param string $date date to format
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* @param string $format
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*
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* @return string
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*/
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public static function getRSSDate(string $date, string $format = ''): string
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{
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$date_position = 'dDjlNSwzWFmMntLoYyaABgGhHisueIOPTZcrU';
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if($format !== '' && preg_match('~^(['.$date_position.']{1})([-/])(['.$date_position.']{1})([-/])(['.$date_position.']{1})$~', $format)){
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$datetime = DateTime::createFromFormat($format, $date);
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if ($datetime === false) {
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return '';
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}
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return $datetime->format(DATE_RSS);
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}
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if (strtotime($date) !==false ) {
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return date("D, d M Y H:i:s T", strtotime($date));
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}
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if (count(explode(' ', $date)) === 2) {
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return DateTime::createFromFormat('Y-m-d H:i:s', $date)->format(DateTimeInterface::RSS);
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}
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[$j, $m, $a] = explode('/', $date);
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return date("D, d M Y H:i:s T", strtotime($a.'-'.$m.'-'.$j));
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}
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/**
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* check if it's an url
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*
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* @param $check string to check
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*
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* @return string|boolean the filtered data, or FALSE if the filter fails.
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*/
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public static function checkLink(string $check): bool|string
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{
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return filter_var($check, FILTER_VALIDATE_URL);
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}
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/**
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* make a string XML-compatible
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*
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* @param $check string to format
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*
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* @return string formatted string
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*/
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public static function HTML4XML(string $check): string
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{
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return sprintf('<![CDATA[ %s ]]>', htmlspecialchars($check));
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}
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/**
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* delete html tags
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*
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* @param $check string to format
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*
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* @return string formatted string
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*/
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public static function noHTML(string $check): string
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{
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return strip_tags($check);
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}
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/**
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* check if it's a day (in RSS terms)
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*
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* @param $check string to check
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*
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* @return string the day, or empty string
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*/
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public static function checkDay(string $check): string
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{
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$possibleDay = ['monday', 'tuesday', 'wednesday', 'thursday', 'friday', 'saturday', 'sunday'];
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return in_array(strtolower($check), $possibleDay) ? $check : '';
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}
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/**
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* check if it's an email
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*
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* @param $check string to check
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*
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* @return string|boolean the filtered data, or FALSE if the filter fails.
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*/
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public static function checkEmail(string $check): bool|string
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{
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return filter_var($check, FILTER_VALIDATE_EMAIL);
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}
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/**
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* check if it's an hour (in RSS terms)
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*
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* @param $check string to check
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*
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* @return string|boolean the filtered data, or FALSE if the filter fails.
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*/
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public static function checkHour(string $check): bool|string
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{
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$options = [
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'options' => [
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'default' => 0,
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'min_range' => 0,
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'max_range' => 23
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]
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];
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return filter_var($check, FILTER_VALIDATE_INT, $options);
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}
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/**
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* check if it's an int
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*
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* @param $check int to check
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*
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* @return int|boolean the filtered data, or FALSE if the filter fails.
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*/
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public static function checkInt(int $check): bool|int
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{
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return filter_var($check, FILTER_VALIDATE_INT);
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}
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/**
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* @param $check
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*
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* @return mixed
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*/
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public static function checkMediaType($check): mixed
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{
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return $check;
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}
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/**
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* @param $check
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*
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* @return mixed|null
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*/
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public static function checkMediaMedium($check): ?string
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{
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return in_array($check, ['image', 'audio', 'video', 'document', 'executable']) ? $check : null;
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}
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/**
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* @param $check
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*
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* @return mixed|null
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*/
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public static function checkBool($check): ?string
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{
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return in_array($check, ['true', 'false']) ? $check : null;
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}
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/**
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* @param $check
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*
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* @return mixed|null
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*/
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public static function checkMediumExpression($check): ?string
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{
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return in_array($check, ['sample', 'full', 'nonstop']) ? $check : null;
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}
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} |