php sort array by value descending

Sort the array values. in addition to the various sorting methods taught by the instructor, our php will directly give you a function rsort (), which is very simple to use, but only suitable for arrays. Rsort (array Sort the array values. in

Sort the array values. In addition to the various sorting methods taught by the teacher, php will directly give you a function rsort (), which is very simple to use, but only suitable for arrays. Rsort (array, sorttype) Parameter descriptionArray is

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

Php array sorting (ascending, descending and related issues) $ A = array (4, "37", 3,100, 0,-5 ); Sort ($ ); For ($ I = 0; $ I Echo $ a [$ I]. ""; } Echo""; Sort ($ a, SORT_STRING );

1. The concept of arrays An array is a named range that is used to store a series of variable values. Each array element has an associated index (also a keyword) that can be used to access elements. PHP allows you to use numbers or strings evenly

The PHP arsort function is used to sort the elements in the array in descending order, if the sort succeeds returns True, otherwise returns false, this article explains the basic syntax of the Arsort function and the use of examples, the need for

PHP has a lot of functions about arrays to facilitate array manipulation. Defined: Each entity of an array contains two items: key and value, which can be retrieved by a query key. These keys can be numeric (numerical) or associated (associative)

$a = Array (4, "37", 3,100,0,-5); Sort ($a); for ($i =0; $i echo $a [$i]. " "; } echo ""; Sort ($a, sort_string); for ($i =0; $i echo $a [$i]. " "; } echo ""; ?>

This article briefly introduces how php uses its own functions to sort the element values of arrays in descending order. For more information, see rsort () the function sorts the elements of the array in reverse order by key value, which is similar

Learn PHP's array summary "experience", PHP array Summary PHP has a lot of functions for arrays, which makes it easy to manipulate arrays. Defined: The array contains two items per entity: Key and value, which can be obtained by querying the key.