后端开发|php教程
遍历数组
后端开发-php教程
在PHP中数组分为两类： 数字索引数组和关联数组。
其中数字索引数组和C语言中的数组一样，下标是为0，1，2…
而关联数组下标可能是任意类型，与其它语言中的hash，map等结构相似。
方法1：foreach
vc图片压缩源码,vscode自动刷新页面,Ubuntu开启双向,tomcat如何分发请求,爬虫公司代码,php视频站源码,seo最新优化技术推广渠道,帝国cms更改网站icolzw
<?php
$sports = array(
football => good,
swimming => very well,
unning => ot good);
foreach ($sports as $key => $value) {
echo $key.": ".$value."
";
}
?>
输出结果：
football: good
swimming: very well
running: not good
方法2：each
9月微信砍价源码,vscode代码没了怎么办,ubuntu+mate,为tomcat指定jvm,java层级爬虫,php漏洞挖掘教程,做百度seo优化排名lzw
<?php
$sports = array(
football => good,
swimming => very well,
unning => ot good);
while (!!$elem = each($sports)) {
echo $elem[key].": ".$elem[value]."
";
}
?>
输出结果：
football: good
swimming: very well
running: not good
nginx源码如何下载,vscode源码分析,ubuntu树莓派网络设置,tomcat什么作用,qt用sqlite存储,fullcalendar类似插件,ms是什么前端框架,常州奇远爬虫,php 升级 7,seo入门ppt,h5网站效果代码,html网页标题代码,织梦utf-8文章类模板下载,侧面导航条随页面滚动,免费 网站管理系统下载安装,企业开源网站程序lzw
方法3：list & each
<?php
$sports = array(
football => good,
swimming => very well,
unning => ot good);
while (!!list($key, $value) = each($sports)) {
echo $key.": ".$value."
";
}
?>
输出结果：
football: good
swimming: very well
running: not good
