usort

There are many functions that can be implemented in the array ordering in PHP, and if it is a simple one-dimensional array we can use PHP's own sort function, but we need to write the multidimensional array ourselves. Back after always worried Ah,

PHP in two-dimensional array ordering, you can use the PHP built-in function Uasort () Example one: Use a user-defined comparison function to sort the values in the array and keep the index associated The callback function is as follows: Note that

Make an SQL interpreter by yourself In some small applications, there is no need to use large database software. You can use the database to manage your own SQL interpreter. This interpreter can explain commonly used SQL commands. You can add other

Cause Okay, I admit that I 've been working on quick sorting recently. Various tests are writing quick sorting programs. Now I am using PHP to implement quick sorting, which is different from the previous article, this PHP quick release can solve

  In the php tutorial, arrays are powerful data types. They can do a lot of things and store different data types in an array. Below we list the common operations of arrays, sort and sort the array by key name. /* Common functions of Arrays**

PHP array contains both Chinese and English, how to sort the first word or Chinese characters Reply content: PHP array contains both Chinese and English, how to sort the first word or Chinese characters PHP has a lot of functions for sorting

The reverse of the PHP array in an article, "How to sort php arrays," we introduced the sort, asort, and Ksort, which are sorted in ascending order of the array, so if you want to implement the reverse of the arrays? Here's another set of functions

PHP in two-dimensional array ordering, you can use the PHP built-in function Uasort () Example one: Use a user-defined comparison function to sort the values in the array and keep the index associated The callback function is as follows: Note that

A detailed explanation of the two-dimensional array sorting problem in php, two-dimensional array sorting. For details about the two-dimensional array sorting problem in php, two-dimensional array sorting in PHP, you can use the PHP built-in

Call back functions. Methods and precautions for using the PHPcallback function. Some callback functions in PHP, such as call_user_function () or usort (), use user-defined functions as a parameter. Ca PHP callback function usage and precautions,

Recently just internship, often used in the array of PHP, so summarize, not at any time to random search.First: basic knowledgePHP supports numeric indexed arrays and associative arrays, and associative arrays allow more meaningful data, such as

How can I transfer the $ key value of the following function to $ sortFun? The function under {code ...} $keyHow to pass the value $sortFun? Function arraySort ($ arr, $ key, $ sort = 'asc ') {$ sortFun = function ($ a, $ B) {// There is no way to

Make an SQL interpreter by yourselfIn some small applications, there is no need to use large database software. You can use the database to manage your own SQL interpreter.This interpreter can explain commonly used SQL commands. You can add other

Array sorting functions include: Sort (), Rsort (), Asort (), Arsort (), Ksort (), Krsort (), Natsort (), Natcasesort (), Shuffle (), Array_multisort (), Usort (), Uasort (), Uksort () Before you differentiate these array sorting

Php summary Article 1 (I hope you can add it! Thank you), php Article 1 /* Common functions of Arrays** Array sorting Function* Sort ()* Rsort ()* Usort ()* Asort ()* Arsort ()* Uasort ()* Ksort ()* Krsort ()* Uksort ()* Uatsort ()* Natcasesort ()*

This article discusses how to sort PHP arrays. After learning about usort custom sorting, let's take a look at sort (). This function is the originator of the sorting function in the array. you will surely find that all PHP array sorting functions

The process of learning PHP, sorting out some of the commonly used functions, which are array functions.Array (): Generate an array$a = Array ("Dog", "cat", "horse");Print_r ($a); Array ([0] = dog [1] = cat [2] = = horse)Array_combine (): Generates

To sort one-dimensional arrays, you can use asort, ksort, and other methods to sort processes, which is relatively simple. How can we sort two-dimensional arrays? Use array_multisort and usort to implement the following array: The code is as

Summary of some php array sorting function examples. In php, there are many functions for array sorting. if it is a simple one-dimensional array sorting, we can use the sorting function provided by php, but we need to write the multi-dimensional

This article mainly introduces the two-dimensional array in PHP how to achieve, interested in the friend's reference, I hope to help you. PHP in two-dimensional array ordering, you can use the PHP built-in function Uasort () Example one: Use a user-