1.include 和require
<?php include 'head1.php' ?>
include 报错简单 ,require 报错会阻止后面的程序运行
2.数组遍历
foreach 和 list的形式 (while list each遍历数组)
$arr=[ 0=>'user1', 1 =>'20', 5 =>'men' ]; // while (list($k,$v)=each($arr)) { // echo "$k"; // echo "<br>"; // echo "$v"; // echo "<br>"; // } foreach ($arr as $key => $value) { echo "$value";echo "<br>"; }
3.超全局数组
1.$_GET 获取地址栏的信息 并且存在数组中
http://127.0.0.1:86/array/quanju.php?id=9&name=ls
print_r($_GET);
Array ( [id] => 9 [name] => ls )