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關於php陣列的幾個基本操作

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陣列是php中最常用的,所以大家一定要熟練的掌握。下面是小編為大家蒐集整理出來的有關於php陣列的幾個基本操作,一起了解一下吧!

關於php陣列的幾個基本操作

程式碼如下:

<?php

/*

* 簡單的`陣列定義與訪問

*/

echo "簡單的陣列定義與訪問<br>";

echo "############################################################<br>";

$address=array(5);

$address[0]="福州";

$address[1]="廈門";

$address[2]="漳州";

$address[3]="泉州";

$address[4]="寧德";

$address[5]="南平";

$address[6]="龍巖";

echo "我現在住在$address[1]<br>";

echo "############################################################<br><br><br>";

/*

* 陣列遍歷

*/

echo "通過for迴圈進行陣列遍歷<br>";

echo "############################################################<br>";

for($index=0;$index<count($address);$index++){

print("陣列中第".$index."個的地區$address[$index]為<br>");

}

echo "############################################################<br><br><br>";

/*

* 陣列初始化

*/

echo "陣列初始化,並通過日期函式得到當前月份的數字,輸出相關陣列下標的內容<br>";

echo "############################################################<br>";

$arrMonth=array("January","February","March","April","May","June","July","August","September","October","November","December");

date_default_timezone_set("utc"); //設定預設時區

$month=date("m");

echo "陣列結構為";

print_r($arrMonth);

echo "當前是第".$month."月,他的英文是".$arrMonth[$month-1]."<br>";

echo "############################################################<br><br><br>";

/*

*陣列初始化,並定義鍵,然後通過鍵值訪問陣列

*/

echo "陣列初始化,並定義鍵,然後通過鍵訪問陣列<br>";

echo "############################################################<br>";

$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 "通過英文縮寫Aug 訪問陣列".$arrMonth["Aug"]."<br>";

echo "############################################################<br><br><br>";

echo "下面通過Foreach遍歷陣列<br>";

echo "############################################################<br>";

foreach ($arrMonth as $key=>$value){

echo " =>鍵是$key,值是$value<br>";

}

echo "############################################################<br><br><br>";

/*

* 定義多維陣列

*/

echo "定義二維陣列<br>";

$arrArea=array("華東地區"=>array("福建","浙江"),"華北地區"=>array("北京","天津"));

echo "華東地區=>".$arrArea["華東地區"][0]

?>