PHP reverse sort and random sort code_PHP tutorial

WBOY
Release: 2016-07-21 15:36:38
Original
1358 people have browsed it

Introduction to array_reverse() function and shuffle() function

array_reverse()
array array_reverse(array)array_reverse() function passes an array as an input parameter and returns an array with the input parameter Arrays with the same values ​​but in reverse order.

Copy code The code is as follows:

$a = array(1,2 ,3,4,5);
$a = array_reverse($a);
for ($i=0; $iecho $a [$i]." ";
?>

The result is:

5 4 3 2 1

shuffle()
bool shuffle(array) The shuffle function randomly sorts the incoming array and returns TRUE if successful, otherwise it returns FALSE.

Copy code The code is as follows:

$a = array(1,2 ,3,4,5);
shuffle($a);
for ($i=0; $iecho $a[$i ]." ";
shuffle($a);
echo "
";
for ($i=0; $iecho $a[$i]." ";
?>

Results returned by two calls:

4 1 2 5 3
1 5 2 4 3

www.bkjia.comtruehttp: //www.bkjia.com/PHPjc/322125.htmlTechArticlearray_reverse() function and shuffle() function introduction array_reverse() array array_reverse(array)array_reverse() function input The parameter is an array and returns an array with the same value as the passed parameter but in the same order...
source:php.cn
Statement of this Website
The content of this article is voluntarily contributed by netizens, and the copyright belongs to the original author. This site does not assume corresponding legal responsibility. If you find any content suspected of plagiarism or infringement, please contact admin@php.cn
Popular Tutorials
More>
Latest Downloads
More>
Web Effects
Website Source Code
Website Materials
Front End Template