How To Sort Array Php

An array is a collection of data that organizes a series of data to form an operational whole. Each entity in the array contains two keys and values. First, what is the array Array is a collection of data, a series of data organized together to form an operational whole. Each entity in the array contains two keys and values. Second, the statement data There are two main ways to declare an array in PHP: First, the array () function declaration array, one is directly assigned to the array element. Fei Fei Asp! Technology Paradise <1> array () function ...

Array definition and initialization What is an array? An array is a programming structure that is a variable that holds a set of values ​​or a series of values. For example, at the time of the census, personal identity registration, such as name, gender, nationality, birth, etc. can be used as an array. The array created in the php tutorial is defined using the array () structure, such as $ people = array ('name', 'sex', 'nation', 'brith'); and how to display the value of each element in the array Is to use the index from 0, the index number ...

PHP Tutorial Data Add, delete, query, sort detail the addition of the array (the end of the data added (not limit the number of bars) and the middle of any position to add data operations).   2~ the deletion of the array (the end of data deletion (not qualifying), as well as data deletion at any point in the middle, conditions: the middle position of the array is deleted, the following values move forward, followed by the previous position. 3~ sort operations on data (sort operations, efficiency).

Sort (PHP3, PHP4) sort---&http://www.aliyun.com/zixun/aggregation/37954.html ">nbsp; Resets the value of an array from a-Z syntax: void sort (array array [, int sort_flags]); Description: This function arranges the elements of an array by a-Z. Example: <?...

Array_multisort (PHP4 >= 4.0b4) array_multisort---&http://www.aliyun.com/zixun/aggregation/37954.html "> nbsp; Array syntax for sorting composite or multiple dimensions: bool Array_multisort (Array ar1 [, mixed arg [, mixed ...).

Arsort (PHP3, PHP4) Arsort the relational syntax for---reverse the order of the array and maintain index values: void&http://www.aliyun.com/zixun/aggregation/37954.html "> nbsp; Arsort (array array); Description: This function reverses the order of the array elements (z) and maintains the relationship of the array element to its index value ...

Usort (PHP3 >= 3.0.3, PHP4) usort---&http://www.aliyun.com/zixun/aggregation/37954.html ">nbsp; Sorts the values of an array by user-defined functions: void Usort (array array, function cmp_function); Description: This function will be determined according to the user ...

Asort (PHP3, PHP4) Asort the relational syntax for arranging arrays and maintaining index values: void&http://www.aliyun.com/zixun/aggregation/37954.html >nbsp; Asort (array array); Description: This function rearranges the elements of an array by a-Z and maintains the corresponding relationship between the original index value and the element, which is mainly ...

Intermediary transaction http://www.aliyun.com/zixun/aggregation/6858.html ">seo diagnose Taobao guest Cloud host technology Hall these days to help customers do an automatic upload data program, so that the final discovery will not be sorted by name, All we have to do is study why, okay, just put the data on. The directory data is as follows: Picture 1 above is the data of a customer's directory. Of course he has a lot of ...

Krsort (PHP3 >=3.0.13, PHP4 >= 4.0b4) krsort---&http://www.aliyun.com/zixun/aggregation/37954.html "> nbsp; Arranges the array syntax according to the inverted order of index values: int krsort (array array); Description: Z The array in reverse order of index values ...