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- <?php
- /* For licensing terms, see /license.txt */
- /**
- * This is the array library for Chamilo.
- * Include/require it in your code to use its functionality.
- *
- * @package chamilo.library
- */
- class ArrayClass {
- /**
- * Removes duplicate values from a dimensional array
- *
- * @param array a dimensional array
- * @return array an array with unique values
- *
- */
- static function array_unique_dimensional($array) {
- if(!is_array($array))
- return $array;
- foreach ($array as &$myvalue) {
- $myvalue=serialize($myvalue);
- }
- $array=array_unique($array);
- foreach ($array as &$myvalue) {
- $myvalue=unserialize($myvalue);
- }
- return $array;
- }
- /**
- *
- * Sort multidimensional arrays
- *
- * @param array unsorted multidimensional array
- * @param string key to be sorted
- * @return array result array
- * @author found in http://php.net/manual/en/function.sort.php
- */
- static function msort($array, $id='id', $order = 'desc') {
- if (empty($array)) {
- return $array;
- }
- $temp_array = array();
- while (count($array)>0) {
- $lowest_id = 0;
- $index=0;
- foreach ($array as $item) {
- if ($order == 'desc') {
- if ($item[$id]<$array[$lowest_id][$id]) {
- $lowest_id = $index;
- }
- } else {
- if ($item[$id]>$array[$lowest_id][$id]) {
- $lowest_id = $index;
- }
- }
- $index++;
- }
- $temp_array[] = $array[$lowest_id];
- $array = array_merge(array_slice($array, 0, $lowest_id), array_slice($array, $lowest_id+1));
- }
- return $temp_array;
- }
- static function utf8_sort($array) {
- $old_locale = setlocale(LC_ALL, null);
- $code = api_get_language_isocode();
- $locale_list = array($code.'.utf8', 'en.utf8','en_US.utf8','en_GB.utf8');
- $try_sort = false;
- foreach($locale_list as $locale) {
- $my_local = setlocale(LC_COLLATE, $locale);
- if ($my_local) {
- $try_sort = true;
- break;
- }
- }
- if ($try_sort) {
- uasort($array, 'strcoll');
- }
- setlocale(LC_COLLATE, $old_locale);
- return $array;
- }
- static function array_to_string($array, $separator = ',') {
- if (empty($array)) {
- return '';
- }
- return implode($separator.' ', $array);
- }
- static function array_flatten(array $array) {
- $flatten = array();
- array_walk_recursive($array, function($value) use(&$flatten) {
- $flatten[] = $value;
- });
- return $flatten;
- }
- }
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