Home > php教程 > php手册 > php array_count_values 用法详解

php array_count_values 用法详解

WBOY
Release: 2016-06-21 08:53:14
Original
1470 people have browsed it

array_count_values统计数组中所有的值出现的次数

说明

array array_count_values ( array $input )

array_count_values() 返回一个数组,该数组用 input 数组中的值作为键名,该值在 input 数组中出现的次数作为值。

Example #1 array_count_values() 例子

<span style="color: rgb(0,0,0)"><font face="NSimsun"><span style="color: rgb(0,0,187)"><?php <br/> $array </span><span style="color: rgb(0,119,0)">= array(</span><span style="color: rgb(0,0,187)">1</span><span style="color: rgb(0,119,0)">, </span><span style="color: rgb(221,0,0)">"hello"</span><span style="color: rgb(0,119,0)">, </span><span style="color: rgb(0,0,187)">1</span><span style="color: rgb(0,119,0)">, </span><span style="color: rgb(221,0,0)">"world"</span><span style="color: rgb(0,119,0)">, </span><span style="color: rgb(221,0,0)">"hello"</span></font><font face="NSimsun"><span style="color: rgb(0,119,0)">);<br> </span><span style="color: rgb(0,0,187)">print_r</span><span style="color: rgb(0,119,0)">(</span><span style="color: rgb(0,0,187)">array_count_values </span><span style="color: rgb(0,119,0)">(</span><span style="color: rgb(0,0,187)">$array</span></font><font face="NSimsun"><span style="color: rgb(0,119,0)">));<br> </span><span style="color: rgb(0,0,187)">?></span> </font></span>

上例将输出:

Array<br>(<br>    [1] => 2<br>    [hello] => 2<br>    [world] => 1<br>)<br>
Copy after login



Related labels:
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 Recommendations
Popular Tutorials
More>
Latest Downloads
More>
Web Effects
Website Source Code
Website Materials
Front End Template