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<?php |
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/* @description Transformation Style Sheets - Revolutionising PHP templating * |
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* @author Tom Butler [email protected] * |
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* @copyright 2017 Tom Butler <[email protected]> | https://r.je/ * |
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* @license http://www.opensource.org/licenses/bsd-license.php BSD License * |
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* @version 1.2 */ |
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namespace Transphporm\Formatter; |
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/** Date/time formatting for use in formmat: property*/ |
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class Date { |
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private $locale; |
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public function __construct($locale) { |
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$this->locale = $locale; |
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} |
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/** Converts $val into a \DateTime object if it's not already */ |
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private function getDate($val) { |
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$tz = new \DateTimeZone($this->locale['timezone']); |
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$date = $val instanceof \DateTimeInterface ? $val : new \DateTime($val, $tz); |
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$date->setTimeZone($tz); |
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return $date; |
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} |
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/** Formats date based on supplied $format or default format from $locale */ |
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public function date($val, $format = null) { |
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$format = $format ? $format : $this->locale['date_format']; |
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return $this->getDate($val)->format($format); |
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} |
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/** Formats \DateTime as time based on supplied $format or default format from $locale */ |
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public function time($val, $format = null) { |
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$format = $format ? $format : $this->locale['time_format']; |
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return $this->getDate($val)->format($format); |
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} |
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/** Formats \DateTime as Date and Time using formats from $locale */ |
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public function dateTime($val) { |
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return $this->date($val, $this->locale['date_format'] . ' ' . $this->locale['time_format']); |
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} |
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/** Generates relative time offsets based on system clock. e.g "10 minutes ago" or "In 6 months" |
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using strings from $locale */ |
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public function relative($val) { |
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$now = $this->getDate(null); |
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$date = $this->getDate($val); |
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$diff = $now->diff($date); |
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$diffDays = $diff->invert === 1 ? $diff->days : 0- $diff->days; |
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if ($diffDays !== 0) return $this->dayOffset($diffDays); |
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else return $this->timeOffset($diff); |
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} |
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/** Calculates offset in hours/minutes/seconds */ |
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private function timeOffset($diff) { |
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$strings = $this->locale['offset_strings']; |
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$str = $diff->invert === 1 ? $strings['past'] : $strings['future']; |
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$parts = ['h' => 'hours', 'i' => 'minutes', 's' => 'seconds']; |
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$result = ''; |
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foreach ($parts as $l => $time) { |
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if ($diff->$l > 0) { |
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$result = sprintf($str, $diff->$l, $this->getPlural($strings, $diff->$l, $time)); |
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break; |
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} |
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} |
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return $result; |
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} |
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/** Gets date ranges to represent uses of weeks/months/days/etc */ |
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private function getRanges($strings) { |
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$ranges = [ |
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[1, 1, $strings['yesterday'], 1, ''], |
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[1, 13, $strings['past'], 1, 'days'], |
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[13, 28, $strings['past'], 7, 'weeks'], |
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[28, 365, $strings['past'], 28, 'months'], |
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[365, 99999999, $strings['past'], 365, 'years'], |
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[-1, -1, $strings['tomorrow'], 1, ''], |
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[-13, -1, $strings['future'], 1, 'days'], |
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[-28, -13, $strings['future'], 7, 'weeks'], |
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[-365, -28, $strings['future'], 28, 'months'], |
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[-999999, -365, $strings['future'], 365, 'years'], |
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]; |
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if (isset($strings['day_before_yesterday'])) $this->add2DayRanges($ranges, $strings['day_before_yesterday'], "before"); |
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if (isset($strings['day_after_tomorrow'])) $this->add2DayRanges($ranges, $strings['day_after_tomorrow'], "after"); |
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return $ranges; |
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} |
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private function add2DayRanges(&$ranges, $property, $when) { |
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$rangeVal = $when === "before" ? 2 : -2; |
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array_unshift($ranges, [$rangeVal, $rangeVal, $property, 1, '']); |
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} |
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/** Converts "week" to "weeks", "month" to "months" etc when plural is required using language from $locale */ |
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private function getPlural($strings, $num, $interval) { |
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if ($interval !== '') return $num == 1 ? $strings[$interval . '_singular'] : $strings[$interval . '_plural']; |
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else return ''; |
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} |
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/** Calculates offset in days/weeks/month/years */ |
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private function dayOffset($diffDays) { |
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$strings = $this->locale['offset_strings']; |
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$result = ''; |
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foreach ($this->getRanges($strings) as list($lower, $upper, $str, $divisor, $plural)) { |
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if ($diffDays >= $lower && $diffDays <= $upper) { |
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$num = abs(round($diffDays / $divisor)); |
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$result = sprintf($str, $num, $this->getPlural($strings, $num, $plural)); |
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break; |
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} |
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} |
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return $result; |
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} |
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} |
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Level-2 /
Transphporm
