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<?php |
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|
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/** |
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* E2pdf Helper |
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* |
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* @copyright Copyright 2017 https://e2pdf.com |
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* @license GPL v2 |
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* @version 1 |
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* @link https://e2pdf.com |
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* @since 0.00.01 |
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*/ |
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if (!defined('ABSPATH')) { |
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die('Access denied.'); |
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} |
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|
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class Helper_E2pdf_Sort { |
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|
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private function sort_by_zindex($a, $b) { |
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if ($a['properties']['z_index'] == $b['properties']['z_index']) { |
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return 0; |
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} |
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return ($a['properties']['z_index'] < $b['properties']['z_index']) ? -1 : 1; |
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} |
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|
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private function sort_by_pageid($a, $b) { |
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if ($a['page_id'] == $b['page_id']) { |
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return 0; |
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} |
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return ($a['page_id'] < $b['page_id']) ? -1 : 1; |
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} |
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|
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public function stable_uasort(&$array, $cmp_function) { |
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if (count($array) < 2) { |
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return; |
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} |
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$halfway = count($array) / 2; |
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$array1 = array_slice($array, 0, $halfway, TRUE); |
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$array2 = array_slice($array, $halfway, NULL, TRUE); |
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|
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$this->stable_uasort($array1, $cmp_function); |
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$this->stable_uasort($array2, $cmp_function); |
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if (call_user_func(array($this, $cmp_function), end($array1), reset($array2)) < 1) { |
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$array = $array1 + $array2; |
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return; |
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} |
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$array = array(); |
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reset($array1); |
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reset($array2); |
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while (current($array1) && current($array2)) { |
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if (call_user_func(array($this, $cmp_function), current($array1), current($array2)) < 1) { |
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$array[key($array1)] = current($array1); |
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next($array1); |
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} else { |
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$array[key($array2)] = current($array2); |
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next($array2); |
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} |
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} |
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while (current($array1)) { |
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$array[key($array1)] = current($array1); |
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next($array1); |
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} |
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while (current($array2)) { |
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$array[key($array2)] = current($array2); |
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next($array2); |
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} |
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return; |
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} |
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|
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} |
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|
