rsort

1. Weakly typed languages2. Variable $x3. Scope: Global,local,static,parameter.Global: In the function, refer to the world variable, before you call global. All variables are stored in a named $globals[index]. Global $x = = $GLOBALS [' x ']Static:

Based on common functions in PHP. Array_change_key_case-array array_chunk whose return string key names are all lowercase or uppercase-split an array into multiple array_combine-create an array, returns an array with the array value array_change_key_

Common PHP array methods. Read the array $ arrarray (xx cross, yy); echo reads the first one :. $ arr [xx]; number of arrays $ arrayarray (aaa, bbb, ccc, ddd); number of echo arrays :. count ($ array ). n; calculate the array single // read the

PHP programming: php array. Example 7: The code for copying the basic operation of the array value is as follows :? Php $ arrarray (a you, B me, he); $ arr [] others; echo $ arr [B]. br; $ arr [c]; returns a null value, but still occupies instance 7:

A summary of the usage of PHP arrays. 1. what is an array is a set of data, which organizes a series of data to form an operable whole. Each object in the array contains two items: Key and value. II, 1. what is an array? An array is a collection of

Code that calculates the maximum and minimum values of the PHP array. Copy the code as follows :? Php $ fruitsarray (155: vbscript: www.jb51.netlist_114_1.htm, 1: javascript: www.jb51.netlist_3_1.htm, 2: Regular expression The code is as follows:

PHP simple array sorting implementation code. Php simple array sorting method for your reference. PHP does not know how to compare two arrays. you need to create a method to compare them. I. initialize the php simple array sorting method for the

Sort PHP arrays in detail. PHP array sorting is actually sorting the PHP array. in this article, we also sort the result set queried by the database. Sometimes the database query results cannot be directly used. in PHP array sorting, the PHP array

How does PHP function sort () sort arrays. In general, the elements in an array are represented by characters or numbers. Therefore, you can sort the array elements in ascending order. This function is sort (). For example :? Php $ learn learray we

PHP array processing function overview. Let's create a new array for the PHP array processing function array. Array_walk: allows a user-defined function to process every element in the array. ArsortPHP array processing function array: creates a new

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

Yahoo!'s PHP interview questions include answers collected from the internet. They are said to be Yahoo's interview questions. 1. Which of the following will not add john to the users array? 1. $ users [] = 'John '; 2. array_add ($ users, 'John'); //

This article mainly introduces some common functions in PHP. This article collects some time and date, output printing, common string functions, and common array methods. For more information, see "); // Returns the number of times the second

Two-dimensional array sorting in PHP For sorting two-dimensional arrays in PHP, you can use the PHP built-in function uasort () [Use the User-Defined comparison function to sort the values in the array and maintain the index Association] The

Sort destroys the sorting of index values in ascending order Rsort destroys sorting of index values in descending order   Asort sort index values in ascending order Arsort keeps the index sorted in descending order   Ksort keeps indexes sorted by

Php array common functions, php Array 1. Common sorting functions of php arrays. Sort ()-sort arrays in ascending order Rsort ()-Sort arrays in descending order Asort ()-Sort joined arrays in ascending order by value Ksort ()-Sort joined arrays

PHP array processing methods, php Array Processing Methods 1. Split the string into an array: $ array = explode (separator, $ string ): Separator: separator, $ String: The split string; 2. Combine the array into a string: $ string = implode (glue, $

1. What is an array?An array is a collection of data. It organizes a series of data to form an operable whole. Each object in the array contains two items: Key and value.Ii. Declare dataThere are two ways to declare arrays in PHP:First, apply the

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

Chapter 4 data processing-php Array Processing-zheng AQI, a friend of php learning must pay attention to it. php arrays are commonly used. Chapter 4 data processing-php Array Processing-zheng AQI, a friend of php learning must pay attention to it.