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<?php |
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/* For licensing terms, see /license.txt */ |
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use Chamilo\CoreBundle\Framework\Container; |
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/** |
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* Form element to select a date and hour. |
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*/ |
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class DateTimePicker extends HTML_QuickForm_text |
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{ |
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/** |
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* DateTimePicker constructor. |
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* |
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* @param string $elementName |
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* @param string|array $elementLabel |
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* @param array $attributes |
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*/ |
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public function __construct($elementName, $elementLabel = null, $attributes = null) |
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{ |
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if (!isset($attributes['id'])) { |
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$attributes['id'] = $elementName; |
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} |
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$attributes['class'] = 'p-component p-inputtext p-filled'; |
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parent::__construct($elementName, $elementLabel, $attributes); |
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$this->_appendName = true; |
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} |
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/** |
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* HTML code to display this datepicker. |
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* |
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* @return string |
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*/ |
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public function toHtml() |
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{ |
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if ($this->_flagFrozen) { |
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return $this->getFrozenHtml(); |
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} |
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$id = $this->getAttribute('id'); |
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$value = $this->getValue(); |
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$formattedValue = ''; |
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if (!empty($value)) { |
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$formattedValue = api_format_date($value, DATE_TIME_FORMAT_LONG_24H); |
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} |
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$label = $this->getLabel(); |
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if (is_array($label) && isset($label[0])) { |
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$label = $label[0]; |
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} |
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//$resetFieldX = sprintf(get_lang('Reset %s'), $label); |
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return '<input '.$this->_getAttrString($this->_attributes).' />'.$this->getElementJS(); |
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} |
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/** |
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* @param string $value |
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*/ |
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public function setValue($value) |
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{ |
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$value = substr($value, 0, 16); |
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$this->updateAttributes(['value' => $value]); |
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} |
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/** |
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* Injects the JS for initializing flatpickr with Intl-driven localization. |
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* All comments/console messages are in English. |
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*/ |
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private function getElementJS(): string |
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{ |
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$localeCode = $this->getLocaleCode(); |
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$id = $this->getAttribute('id'); |
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$baseLang = strtolower(explode('-', $localeCode)[0] ?? $localeCode); |
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$altFormat = ($baseLang === 'en') ? 'F d, Y - H:i' : 'd F, Y - H:i'; |
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$js = "<script> |
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document.addEventListener('DOMContentLoaded', function () { |
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var input = document.getElementById('{$id}'); |
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if (!input) return; |
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function cap(s){ return s ? s.charAt(0).toUpperCase() + s.slice(1) : s; } |
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// Build a flatpickr locale object using Intl (no external l10n files) |
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function buildFlatpickrLocale(loc) { |
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try { |
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var fmtWeekLong = new Intl.DateTimeFormat(loc, { weekday: 'long' }); |
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var fmtWeekShort = new Intl.DateTimeFormat(loc, { weekday: 'short' }); |
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var fmtMonthLong = new Intl.DateTimeFormat(loc, { month: 'long' }); |
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var fmtMonthShort= new Intl.DateTimeFormat(loc, { month: 'short' }); |
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// Weekdays: flatpickr expects 0..6 starting on Sunday |
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var sun = new Date(Date.UTC(2020, 0, 5)); // a Sunday |
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var weekdaysLong = [], weekdaysShort = []; |
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for (var i=0;i<7;i++){ |
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var d = new Date(sun); d.setUTCDate(sun.getUTCDate()+i); |
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weekdaysLong.push(cap(fmtWeekLong.format(d))); |
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weekdaysShort.push(cap(fmtWeekShort.format(d))); |
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} |
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// Months 0..11 |
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var monthsLong = [], monthsShort = []; |
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for (var m=0;m<12;m++){ |
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var dm = new Date(Date.UTC(2020, m, 1)); |
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monthsLong.push(cap(fmtMonthLong.format(dm))); |
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monthsShort.push(cap(fmtMonthShort.format(dm))); |
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} |
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// First day of week (fallback to Monday if not available) |
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var firstDay = 1; // 0=Sun, 1=Mon |
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try { |
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if (window.Intl && Intl.Locale) { |
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var inf = new Intl.Locale(loc); |
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if (inf.weekInfo && inf.weekInfo.firstDay) { |
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firstDay = (inf.weekInfo.firstDay === 7) ? 0 : inf.weekInfo.firstDay; |
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} |
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} |
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} catch(e){} |
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return { |
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weekdays: { shorthand: weekdaysShort, longhand: weekdaysLong }, |
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months: { shorthand: monthsShort, longhand: monthsLong }, |
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firstDayOfWeek: firstDay, |
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weekAbbreviation: 'Wk', |
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rangeSeparator: ' – ', |
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time_24hr: true |
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}; |
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} catch(e) { |
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return 'en'; |
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} |
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} |
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function initialize() { |
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try { |
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if (!window.flatpickr) return; |
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if (input._flatpickr) { input._flatpickr.destroy(); } |
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var loc = buildFlatpickrLocale('{$localeCode}'); |
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// Set as global default when possible |
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if (typeof flatpickr.localize === 'function' && typeof loc === 'object') { |
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flatpickr.localize(loc); |
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} |
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// Also register under the key for string-based locale usage |
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if (flatpickr.l10ns && typeof loc === 'object') { |
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flatpickr.l10ns['{$localeCode}'] = loc; |
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} |
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var instance = flatpickr('#{$id}', { |
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locale: loc, |
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altInput: true, |
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altFormat: '{$altFormat}', |
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enableTime: true, |
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dateFormat: 'Y-m-d H:i', |
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time_24hr: true, |
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wrap: false, |
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onReady: function(selectedDates, dateStr, fp) { |
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const btn = document.createElement('button'); |
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btn.textContent = '".get_lang('Validate')."'; |
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btn.className = 'flatpickr-validate-btn'; |
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btn.type = 'button'; |
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btn.onclick = function(){ fp.close(); }; |
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fp.calendarContainer.appendChild(btn); |
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try { fp.redraw(); } catch(e){} |
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} |
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}); |
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// Ensure l10n is applied and redraw if needed |
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try { |
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if (instance && instance.l10n && typeof loc === 'object') { |
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Object.assign(instance.l10n, loc); |
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instance.redraw(); |
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} |
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} catch(e){} |
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// Debug (optional): |
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// console.log('[DateTimePicker]', '{$localeCode}', instance && instance.l10n); |
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} catch(e) { |
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console.error('[DateTimePicker] flatpickr init error', e); |
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} |
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} |
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initialize(); |
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}); |
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</script>"; |
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return $js; |
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} |
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/** |
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* Returns a normalized 2-letter locale to be used by JS/Intl. |
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* Priority: course > user > platform. |
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*/ |
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private function getLocaleCode(): string |
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{ |
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$raw = ''; |
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if (class_exists('\Chamilo\CoreBundle\Framework\Container')) { |
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$req = Container::getRequest(); |
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if ($req && $req->getLocale()) { |
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$raw = $req->getLocale(); |
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} |
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} |
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if ($raw === '' && !empty($_SESSION['_locale']) && is_string($_SESSION['_locale'])) { |
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$raw = $_SESSION['_locale']; |
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} |
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if ($raw === '') { |
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$raw = (string) api_get_language_isocode(); |
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} |
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$s = str_replace('_', '-', trim($raw)); |
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if ($s === '') { |
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return 'en-US'; |
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} |
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if (preg_match('/^([A-Za-z]{2,3})-([A-Za-z]{2})$/', $s, $m)) { |
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return strtolower($m[1]).'-'.strtoupper($m[2]); |
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} |
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if (preg_match('/^([A-Za-z]{2,3})$/', $s, $m)) { |
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return strtolower($m[1]); |
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} |
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if (preg_match('/^([A-Za-z]{2,3})[-_].+$/', $s, $m)) { |
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return strtolower($m[1]); |
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} |
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return 'en-US'; |
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} |
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} |
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chamilo /
chamilo-lms
