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<?php |
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namespace EventEspresso\core\services\helpers\datetime; |
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use DateTime; |
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use DateTimeZone; |
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use DomainException; |
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use EE_Datetime_Field; |
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class PhpCompatGreaterFiveSixHelper extends AbstractHelper |
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{ |
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/** |
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* PhpCompatLessFiveSixHelper constructor. |
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* |
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* @throws DomainException |
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*/ |
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View Code Duplication |
public function __construct() |
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{ |
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if (PHP_VERSION_ID < 50600) { |
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throw new DomainException( |
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sprintf( |
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esc_html__( |
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'The %1$s is only usable on php versions greater than 5.6. You\'ll want to use %2$s instead.', |
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'event_espresso' |
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), |
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__CLASS__, |
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'EventEspresso\core\services\helpers\datetime\PhpCompatLessFiveSixHelper' |
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) |
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); |
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} |
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} |
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/** |
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* Returns a timezone string for the provided gmt_offset. |
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* This is a valid timezone string that can be sent into DateTimeZone |
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* |
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* @param float|string $gmt_offset |
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* @return string |
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*/ |
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public function getTimezoneStringFromGmtOffset($gmt_offset = '') |
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{ |
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$gmt_offset_or_timezone_string = $this->sanitizeInitialIncomingGmtOffsetForGettingTimezoneString($gmt_offset); |
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return is_float($gmt_offset_or_timezone_string) |
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? $this->convertWpGmtOffsetForDateTimeZone($gmt_offset_or_timezone_string) |
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: $gmt_offset_or_timezone_string; |
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} |
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/** |
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* Returns a formatted offset for use as an argument for constructing DateTimeZone |
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* @param float $gmt_offset This should be a float representing the gmt_offset. |
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* @return string |
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*/ |
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protected function convertWpGmtOffsetForDateTimeZone($gmt_offset) |
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{ |
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$gmt_offset = (float) $gmt_offset; |
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$is_negative = $gmt_offset < 0; |
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$gmt_offset *= 100; |
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$gmt_offset = absint($gmt_offset); |
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//negative and need zero padding? |
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if (strlen($gmt_offset) < 4) { |
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$gmt_offset = str_pad($gmt_offset, 4, '0', STR_PAD_LEFT); |
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} |
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$gmt_offset = $this->convertToTimeFraction($gmt_offset); |
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//return something like -1300, -0200 or +1300, +0200 |
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return $is_negative ? '-' . $gmt_offset : '+' . $gmt_offset; |
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} |
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/** |
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* Converts something like `1550` to `1530` or `0275` to `0245` |
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* Incoming offset should be a positive value, this will mutate negative values. Be aware! |
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* @param int $offset |
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* @return mixed |
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*/ |
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protected function convertToTimeFraction($offset) |
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{ |
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$first_part = substr($offset, 0, 2); |
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$second_part = substr($offset, 2, 2); |
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$second_part = str_replace(array('25', '50', '75'), array('15', '30', '45'), $second_part); |
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return $first_part . $second_part; |
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} |
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/** |
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* Get Timezone offset for given timezone object |
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* |
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* @param DateTimeZone $date_time_zone |
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* @param null|int $time |
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* @return int |
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*/ |
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public function getTimezoneOffset(DateTimezone $date_time_zone, $time = NULL) |
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{ |
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$time = is_int($time) || $time === null ? $time : (int) strtotime($time); |
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$time = preg_match(EE_Datetime_Field::unix_timestamp_regex, $time) ? $time : time(); |
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return $date_time_zone->getOffset(new DateTime('@' . $time)); |
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} |
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} |
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eventespresso /
event-espresso-core
