回到array_unique 上,继续看代码: /* go through the sorted array and delete duplicates from the copy */ lastkept = arTmp; for (cmpdata = arTmp + 1; Z_TYPE(cmpdata->b.val) != IS_UNDEF; cmpdata++) { if (cmp(lastkept, cmpdata)) { lastkept = cmpdata; } else { if (lastkept...
functionarray_diff_case_insensitive($array1,$array2){$lower1=array_map('strtolower',$array1);$lower2=array_map('strtolower',$array2);$diff_keys=array_diff($lower1,$lower2);returnarray_intersect_key($array1,$diff_keys); } AI代码助手复制代码 2. 保留重复值的差集 functionarray_diff_dupli...
<?php function mergeDuplicates($array) { $result = array(); foreach ($array as $value) { if (!in_array($value, $result)) { $result[$value] = array($value); } else { $result[$value][] = $value; } } return $result; } // 示例用法 $array = array(1, 2, 3, 2, 4, 3...
13. How do you remove duplicates from an array? 14. What is the different between count() and sizeof() in php? 15. How to check a variable is array or not in php? 16. What is the use of array_count_values() in php? 17. What are the difference between array_keys() and array...
Python 是一个非常广泛使用的平台，用于 Web 开发、数据科学、机器学习以及自动化执行不同的过程。我们...
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/** * 树形结构去重 * @param $nodes 待去重的节点 * @param $processedNodes 已处理的节点集合,key为节点的id * @return array */ public static function removeTreeDuplicates($nodes, &$processedNodes = []) { $uniqueNodes = []; //遍历节点 foreach ($nodes as $node) { //如果节点没被处理...
If there are duplicates in any of the subsequent arrays they will not be returned. <?phparray_intersect(array(1,2,2),array(1,2,3)); //=> array(1,2,2)array_intersect(array(1,2,3),array(1,2,2)); //=> array(1,2)?>
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=== Event delete === Date: 2017-07-06T15:23:44+00:00 Log position: 57804368 Event size: 54 Table: test4 Affected columns: 3 Changed rows: 1 Values: Array ( [0] => Array ( [id] => 1 [data] => World [data2] => Hello ...