011-PHP获取数组中的元素

<?php
    $monthName = array(
    /*定义$monthName[1]到$monthName[12]*/
        1=>"January", "February", "March",
        "April", "May", "June",
        "July", "August", "September",
        "October", "November", "December",
    /*定义$monthName["Jan"]到$monthName["Dec"]*/
        "Jan"=>"January", "Feb"=>"February",
        "Mar"=>"March", "Apr"=>"April",
        "May"=>"May", "Jun"=>"June",
        "Jul"=>"July", "Aug"=>"August",
        "Sep"=>"September", "Oct"=>"October",
        "Nov"=>"November", "Dec"=>"December",
    /*定义$monthName["Jan"]到$monthName["Dec"]*/
        "January"=>"January", "February"=>"February",
        "March"=>"March", "April"=>"April",
        "May"=>"May", "June"=>"June",
        "July"=>"July", "August"=>"August",
        "September"=>"September", "October"=>"October",
        "November"=>"November", "December"=>"December"
        );
    /*打印相关的元素*/
    print("Month <B>5</B> is <B>" . $monthName[5]. "</B><BR>\n");
    print("Month <B>Aug</B> is <B>" . $monthName["Aug"] . "</B><BR>\n");
    print("Month <B>June</B> is <B>" . $monthName["June"] . "</B><BR>\n");
?>