Here are a few examples that illustrate how to use theasort()function in PHP: Sorting an array of strings usingasort(): <?php$fruits=array("apple","orange","banana","grape");asort($fruits);print_r($fruits);// Output: Array ( [0] => apple [2] => banana [1] => grape [3] ...
php$names=array("banana","cherry","apple","mango");printf("Original Array : %s ",implode(" ",$names));sort($names);printf("Sorted Array : %s",implode(" ",$names));?> Output 2. Sort Array of Strings in Descending Order In the following example, we will take an array of strings...
在数组开头添加元素array_unshift($arr, 0);array_shift()移除并返回数组第一个元素(删除http://szbmf.jinpaizulin.cn替换数组元素)array_splice($arr, 1, 2);三、数组遍历与查询 函数名功能说明示例in_array()检查值是否存在于数组中,检查键是否存在于数组中if (array_key_exists('a', $arr)) {...}...
(PHP 5 >= 5.2.0) ArrayObject::natcasesort—Sort an array using a case insensitive "natural order" algorithm 说明 publicvoidArrayObject::natcasesort(void) This method is a case insensitive version ofArrayObject::natsort. This method implements a sort algorithm that orders alphanumeric strings in ...
array_multisort($ar[0], SORT_ASC, SORT_STRING, $ar[1], SORT_NUMERIC, SORT_DESC); var_dump($ar);?> Example #3 对数据库结果进行排序 <?php $data[]= array('volume'=>67,'edition'=>2); $data[]= array('volume'=>86,'edition'=>1); ...
PHP sort() Function Thesort()function is used to sort an indexed array in ascending order. If array elements are numeric, it sorts based on the numbers, if array elements are the string, it sorts based on the alphabets and if the array contains numeric values and text/strings, it sorts...
} 测试结果: usort :2.0687599182129 波动范围在 2.04 ~ 2.24 array_multisort:0.40970206260681 波动范围在 0.39 ~ 0.41 结论:从测试结果来看,无论数据量多大,array_multisort 的速度都要比 usort 快很多。
Utilizing the Array_multisort() Function Here's an example of utilizing the array_multisort() function to sort an array of objects by object fields in PHP: // Get an array of the field values to sort by $fieldName = array_column($array, 'fieldName'); // Sort the array of objects...
How to sort an associative array by key in PHPTopic: PHP / MySQLPrev|NextAnswer: Use the PHP ksort() and krsort() functionThe PHP ksort() and krsort() functions can be used for sorting an array by key. The following section will show you how these functions basically work....
php 数组排序 $arr = array("b", "a", "c"); sort($arr); print_r($arr); 1. 2. 3. 错误写法: $arr=sort($arr); 正确写法: sort($arr); 在php中自带了大量了数组排序函数,下面我们一一来介绍一下关于php数组排序的用法吧。 sort() 函数用于对数组单元从低到高进行排序。