rsort

By default, the application sort ($ sort les) is sorted in ascending order based on the defined values of the elements. the expression of the asort () function can be applied to the associated array, the most important thing in the joined array is

This article mainly introduces eight PHP array interview questions, for example, writing a function to create an array with a length of 10, the elements in the array are an increasing odd number, the first item is 1, and the creation of an array

For Web programming, the most important thing is to access and read/write data. There may be many storage methods, such as strings, arrays, and files. I learned arrays today, which is an important method in PHP Data applications. PHP has a large

1. character location search function: Strpos ($ STR, search, [int]): searches for the first position of search in $ STR starting from int; Stripos ($ STR, search, [int]): the position where the string first appears in another string. This function

Php array usage tips and Operations summary, php array usage tips Array is an important method in PHP Data Applications. PHP has a large number of array functions. The following is a summary to help you easily identify them later. 1. array

8 PHP array interview questions and php array questions I have prepared to record the PHP array questions on the Internet. 1. Write a function to create an array with a length of 10. The elements in the array are an increasing odd number and the

Array is an important method in PHP Data Applications. PHP has a large number of array functions. The following is a summary of my learning. I will take this note to facilitate future authentication. 1. array Definition The array definition uses the

1. quickly create an array function range ()For example, the range () function can quickly create a number array from 1 to 9: Copy codeThe Code is as follows: $ Numbers = range (1, 9 ); Echo $ numbers [1]; ?> Of course, range (9, 1) is used to

Array: Create a new array. Array_walk: Allows the User-Defined Function to process every element in the array. Arsort: Sorts the values of an array from large to small. Asort: Sorts the values of an array from

Sometimes we need more complex sorting. For example, to sort key names, ksort ($ arr) is used here. It sorts the keys of the array and maintains the original key-value relationship. The corresponding asort ($ arr) function is used to sort key values

What is an array?An array is a collection of data, which is equivalent to a container. Data can be stored in this container according to certain rules. This is equivalent to a hotel. There are many rooms in the hotel, and the rooms are numbered

basic functions of array manipulationThe key name and value of the arrayArray_values ($arr); Gets the value of the array Array_keys ($arr), gets the key name of the array array_flip ($arr), and the values in the array are exchanged with the key

The declaration of an array 1, direct assignment way to declare an array $ array variable name [index value] = data content//The index value (subscript) can be a string or a number But sometimes, we can also assign values directly to the array,

　　How can programming be less of an array, the following is the most commonly used to learn PHP array processing functions. In programming to follow a principle is dry (Don ' t Repeat yourself) principle, PHP has a large number of functions, all

In real life and in the programming world, order is always important--I can't imagine what a world without order would look like! PHP arrays are no exception. PHP provides four sets of functions for sorting PHP arrays, the first three are for

Find PHP array questions on the web, prepare to do it yourself and write it down. 1. Write function to create an array with a length of 10, the element in the array is an incremented odd number, and the first entry is 1. Copy Code code as

Array: Creates a new array. Array_walk: Let the user customize the function to handle each element in the array. Arsort: Sorts the values of an array from large to small. Asort: Sorts the values of

function count ()Describe:Calculate the number of elements in a variableint count (mixed Var);Returns the number of elements in Var, which are typically an array (since anything else would have one element).Returns 0 If the variable is not

In the PHP array learning excerpt section, we learned the basic PHP array and the display of the elements. Need to learn more about the operation of the PHP array. The first contact is the ascending, descending sort problem of the array element. 1,

PHP-sorting functions for arraysIn this section, we will learn the following PHP array sorting functions:Sort ()-sorts an array in ascending orderRsort ()-sorts the array in descending orderAsort ()-sorts associative arrays in ascending order based