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<?php |
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/* |
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* i18n class called Lezer, shorthand L |
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* honnors Ludwik *Lejzer* Zamenhof (Polish: Ludwik Łazarz Zamenhof; |
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* 15 December [O.S. 3 December] 1859 – 14 April [O.S. 1 April] 1917), |
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* a medical doctor, inventor, and writer; most widely known for creating Esperanto. |
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* |
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* also Lezer is dutch for Reader, and it sounds like LASER, which is kinda cool. |
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*/ |
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namespace HexMakina\Lezer; |
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use HexMakina\LocalFS\FileSystem; |
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use HexMakina\Tempus\{Dato,DatoTempo,Tempo}; |
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class Lezer extends \i18n |
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{ |
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private $detected_language_files = []; |
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private $detected_language_env = []; |
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// protected $basePath = 'locale'; |
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// protected $filePath = 'locale/{LANGUAGE}/user_interface.ini'; // uses gettext hierarchy |
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// protected $cachePath = 'locale/cache/'; |
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// protected $fallbackLang = 'fra'; // uses ISO-639-3 |
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protected $currentLang = null; |
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public function availableLanguage() |
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{ |
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$the_one_language = current(array_intersect($this->detectLanguageFiles(), $this->detectLanguageEnv())); |
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if ($the_one_language) { |
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$this->setForcedLang($the_one_language); |
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} |
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return $the_one_language; |
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} |
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private function detectLanguageFiles() |
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{ |
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$files = FileSystem::preg_scandir(dirname($this->filePath), '/.json$/'); |
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if (empty($files)) { |
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return []; |
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} |
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$files = implode('', $files); |
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$res = preg_match_all('/([a-z]{3})\.json/', $files, $m); |
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if ($res) { // false or 0 is none found |
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$this->detected_language_files = $m[1]; |
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} |
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return $this->detected_language_files; |
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} |
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/** |
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* getUserLangs() |
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* Returns the user languages |
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* Normally it returns an array like this: |
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* 1. Forced language |
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* 2. Language in $_GET['lang'] |
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* 3. Language in $_SESSION['lang'] |
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* 4. COOKIE |
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* 5. Fallback language |
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* Note: duplicate values are deleted. |
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* |
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* @return array with the user languages sorted by priority. |
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*/ |
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private function detectLanguageEnv() |
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{ |
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$userLangs = array(); |
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// 1. forced language |
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if ($this->forcedLang != null) { |
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$userLangs['forced'] = $this->forcedLang; |
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} |
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// 2. GET parameter 'lang' |
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if (isset($_GET['lang']) && is_string($_GET['lang'])) { |
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$userLangs['get'] = $_GET['lang']; |
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} |
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// 3. SESSION parameter 'lang' |
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if (isset($_SESSION['lang']) && is_string($_SESSION['lang'])) { |
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$userLangs['session'] = $_SESSION['lang']; |
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} |
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// 4. COOKIES |
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if (isset($_COOKIE['lang']) && is_string($_COOKIE['lang'])) { |
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$userLangs['cookie'] = $_COOKIE['lang']; |
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} |
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// Lowest priority: fallback |
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$userLangs['fallback'] = $this->fallbackLang; |
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// remove duplicate elements |
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$userLangs = array_unique($userLangs); |
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// remove illegal userLangs |
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foreach ($userLangs as $key => $value) { |
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// only allow a-z, A-Z and 0-9 and _ and - |
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if (preg_match('/^[a-zA-Z0-9_-]*$/', $value) === 1) { |
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$this->detected_language_env[$key] = $value; |
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} |
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} |
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return $this->detected_language_env; |
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} |
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public function compileFunction() |
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{ |
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return '' |
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. "function " . $this->prefix . '($string, $args=NULL) {' . "\n" |
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. ' if (!defined("' . $this->prefix . '::".$string))' |
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. ' return $string;' |
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. ' $return = constant("' . $this->prefix . '::".$string);' . "\n" |
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. ' return $args ? vsprintf($return,$args) : $return;' |
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. "\n}"; |
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} |
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public function l($message, $context = []): string |
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{ |
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return call_user_func($this->prefix, $message, $context); |
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} |
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// options['decimals'] = int |
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// options['abbrev'] = mixed: key needs to be set |
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public function when($event, $options = []) |
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{ |
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try { |
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$amount_of_days = DatoTempo::days_diff(new \DateTime($event), new \DateTime()); |
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} catch (\Exception $e) { |
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return __FUNCTION__ . ': error'; |
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} |
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if ($amount_of_days === -1) { |
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return $this->l('DATETIME_RANGE_YESTERDAY'); |
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} elseif ($amount_of_days === 0) { |
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return $this->l('DATETIME_RANGE_TODAY'); |
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} elseif ($amount_of_days === 1) { |
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return $this->l('DATETIME_RANGE_TOMORROW'); |
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} |
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$datetime_parts = [ |
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'y' => 'DATETIME_UNIT_YEAR', |
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'm' => 'DATETIME_UNIT_MONTH', |
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'w' => 'DATETIME_UNIT_WEEK', |
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'd' => 'DATETIME_UNIT_DAY', |
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'h' => 'DATETIME_UNIT_HOUR', |
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'i' => 'DATETIME_UNIT_MINUTE', |
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's' => 'DATETIME_UNIT_SECOND' |
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]; |
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$date_diff = DatoTempo::days_diff_in_parts(abs($amount_of_days)); |
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$ordering = []; |
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foreach ($datetime_parts as $unit => $label) { |
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if (!isset($date_diff[$unit])) { |
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continue; |
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} |
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$qty = (int)$date_diff[$unit]; |
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if ($qty === 0) { |
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continue; |
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} |
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if (isset($options['abbrev'])) { |
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$label .= '_ABBREV'; |
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} elseif ($qty > 1) { |
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$label .= '_PLURAL'; |
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} |
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$ordering[$unit] = $qty . ' ' . $this->l($label) . '.'; |
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} |
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$ret = (isset($amount_of_days) && $amount_of_days >= 0) |
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? 'DATETIME_RANGE_PREFIX_FUTURE' : 'DATETIME_RANGE_PREFIX_PAST'; |
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$ret .= $this->l($ret) . ' ' . implode(' & ', array_slice($ordering, 0, 2)); |
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return $ret; |
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} |
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public function time($time_string, $short = true) |
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{ |
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if ($short === true) { |
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$time_string = substr($time_string, 0, 5); |
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} |
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return $time_string; |
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} |
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public function date($date_string, $short = true) |
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{ |
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if ($date_string === '0000-00-00' || empty($date_string)) { |
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return $this->l('MODEL_common_VALUE_EMPTY'); |
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} |
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if (preg_match('/^[0-9]{4}$/', $date_string) === 1) { |
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return intval($date_string); |
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} |
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list($year, $month, $day) = explode('-', $date_string); |
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$ret = intval($day) . ' ' . $this->l("DATETIME_CALENDAR_MONTH_$month"); |
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if ($short === true && Dato::format(null, 'Y') === $year) { |
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return $ret; |
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} else { |
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return "$ret $year"; |
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} |
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} |
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public function month($date_string) |
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{ |
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return $this->l('DATETIME_CALENDAR_MONTH_' . Dato::format($date_string, 'm')); |
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} |
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public function day($date_string) |
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{ |
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return $this->l('DATETIME_CALENDAR_DAY_' . Dato::format($date_string, 'N')); |
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} |
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public function seconds($seconds) |
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{ |
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$hours = floor($seconds / 3600); |
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$mins = floor(($seconds - $hours * 3600) / 60); |
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$secs = floor($seconds % 60); |
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$hours_format = '%dh %dm %ds'; |
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return sprintf($hours_format, $hours, $mins, $secs); |
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} |
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} |
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HexMakina /
Lezer
