PHP数组基本知识

<?php
/**
* Created by PhpStorm.
* User: liugaoyang
* Date: 2016/7/17
* Time: 23:23
*/
header("Content-type:text/html;charset=utf-8");
$myArr1 = array("张三", "李四", "王五");
foreach ($myArr1 as $m) {
echo $m . "<br>";
}
echo"<br>";
//根据数组下标取值
echo $myArr1[0] . "<br>";

//关联数组
$myArr2 = array("name" => "刘高洋", "班级" => "网络142", "性别" => "男");
echo $myArr2["name"]."<br/>";
foreach ($myArr2 as $key => $value) {
echo "key是：" . $key . "值是：" . $value . "<br>";
}

$myArr01 = array("车间01", "车间02", "车间03", "车间04");
$myArr02 = array("主管01", "主管02", "主管03", "主管04", "主管05");
$myArr = array("车间经理" => $myArr01, "主管经理" => $myArr02);
//关联数组key-value   外循环打印出key值($myArr as $k => $value)‘车间经理’、‘主管经理’;
//内循环打印value($value as $v)
foreach ($myArr as $k => $value) {
echo $k . "<br>";
foreach ($value as $v) {
echo $v . "<br>";
}
}
var_dump($myArr);
echo "<br>";
print_r($myArr);