php入门学习知识点五 关于php数组的几个基本操作
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<div class="codetitle"><a style="CURSOR: pointer" data="59688" class="copybut" id="copybut59688" onclick="doCopy('code59688')"> 代码如下:
<div class="codebody" id="code59688">
<?
PHP /
简单的数组定义与访问
/
echo "简单的数组定义与访问
";
echo "############################################################
";
$address=array(5);
$address[0]="福州";
$address[1]="厦门";
$address[2]="漳州";
$address[3]="泉州";
$address[4]="宁德";
$address[5]="南平";
$address[6]="龙岩";
echo "我现在住在$address[1]
";
echo "############################################################
";
/ 数组遍历
/
echo "通过for循环进行数组遍历
";
echo "############################################################
";
for($index=0;$index<count($address);$index++){
print("数组中第".$index."个的地区$address[$index]为
");
}
echo "############################################################
";
/
数组初始化
/
echo "数组初始化,并通过日期函数得到当前月份的数字，输出相关数组下标的内容
";
echo "############################################################
";
$arrMonth=array("January","February","March","April","May","June","July","August","September","October","November","December");
date_default_timezone_set("utc"); //设置默认时区
$month=date("m");
echo "数组结构为";
print_r($arrMonth);
echo "当前是第".$month."月,他的英文是".$arrMonth[$month-1]."
";
echo "############################################################
";
/ 数组初始化，并定义键，然后通过键值访问数组
/
echo "数组初始化，并定义键，然后通过键访问数组
";
echo "############################################################
";
$arrMonth=array("Jan"=>"January","Feb"=>"February","Mar"=>"March","Apr"=>"April","May"=>"May","Jun"=>"June","Jul"=>"July"
,"Aug"=>"August","Sept"=>"Septmber","Oct"=>"October","Nov"=>"November","Dec"=>"December"
);
echo "通过英文缩写Aug 访问数组".$arrMonth["Aug"]."
";
echo "############################################################
";
echo "下面通过Foreach遍历数组
";
echo "############################################################
";
foreach ($arrMonth as $key=>$value){
echo "=>键是$key,值是$value
";
}
echo "############################################################
"; /
定义多维数组
*/
echo "定义二维数组
";
$arrArea=array("华东地区"=>array("福建","浙江"),"华北地区"=>array("北京","天津"));
echo "华东地区=>".$arrArea["华东地区"][0]
?>
