diff options
Diffstat (limited to 'vendor/miniflux/picofeed/lib/PicoFeed/Parser/DateParser.php')
-rw-r--r-- | vendor/miniflux/picofeed/lib/PicoFeed/Parser/DateParser.php | 128 |
1 files changed, 128 insertions, 0 deletions
diff --git a/vendor/miniflux/picofeed/lib/PicoFeed/Parser/DateParser.php b/vendor/miniflux/picofeed/lib/PicoFeed/Parser/DateParser.php new file mode 100644 index 00000000..0e5b80e3 --- /dev/null +++ b/vendor/miniflux/picofeed/lib/PicoFeed/Parser/DateParser.php @@ -0,0 +1,128 @@ +<?php + +namespace PicoFeed\Parser; + +use DateTime; +use DateTimeZone; +use PicoFeed\Base; + +/** + * Date Parser. + * + * @package PicoFeed\Parser + * @author Frederic Guillot + */ +class DateParser extends Base +{ + /** + * Timezone used to parse feed dates. + * + * @access private + * @var string + */ + private $timezone = 'UTC'; + + /** + * Supported formats [ 'format' => length ]. + * + * @var array + */ + public $formats = array( + DATE_ATOM => null, + DATE_RSS => null, + DATE_COOKIE => null, + DATE_ISO8601 => null, + DATE_RFC822 => null, + DATE_RFC850 => null, + DATE_RFC1036 => null, + DATE_RFC1123 => null, + DATE_RFC2822 => null, + DATE_RFC3339 => null, + 'l, d M Y H:i:s' => null, + 'D, d M Y H:i:s' => 25, + 'D, d M Y h:i:s' => 25, + 'D M d Y H:i:s' => 24, + 'j M Y H:i:s' => 20, + 'Y-m-d H:i:s' => 19, + 'Y-m-d\TH:i:s' => 19, + 'd/m/Y H:i:s' => 19, + 'D, d M Y' => 16, + 'Y-m-d' => 10, + 'd-m-Y' => 10, + 'm-d-Y' => 10, + 'd.m.Y' => 10, + 'm.d.Y' => 10, + 'd/m/Y' => 10, + 'm/d/Y' => 10, + ); + + /** + * Try to parse all date format for broken feeds. + * + * @param string $value Original date format + * + * @return DateTime + */ + public function getDateTime($value) + { + $value = trim($value); + + foreach ($this->formats as $format => $length) { + $truncated_value = $value; + if ($length !== null) { + $truncated_value = substr($truncated_value, 0, $length); + } + + $date = $this->getValidDate($format, $truncated_value); + if ($date !== false) { + return $date; + } + } + + return $this->getCurrentDateTime(); + } + + /** + * Get a valid date from a given format. + * + * @param string $format Date format + * @param string $value Original date value + * + * @return DateTime|bool + */ + public function getValidDate($format, $value) + { + $date = DateTime::createFromFormat($format, $value, $this->getTimeZone()); + + if ($date !== false) { + $errors = DateTime::getLastErrors(); + + if ($errors['error_count'] === 0 && $errors['warning_count'] === 0) { + return $date; + } + } + + return false; + } + + /** + * Get the current datetime. + * + * @return DateTime + */ + public function getCurrentDateTime() + { + return new DateTime('now', $this->getTimeZone()); + } + + /** + * Get DateTimeZone instance + * + * @access public + * @return DateTimeZone + */ + public function getTimeZone() + { + return new DateTimeZone($this->config->getTimezone() ?: $this->timezone); + } +} |