PHP中如何得到数组的长度答:arr = Array('0','1','2','3','4','5','6','7','8','9'); echo count($arr); // 输出10 arr = array('苹果','香蕉','桔子','西瓜','梨','葡萄'); echo sizeof($arr); // 输出6 获取二维数组长度:count()函数有两个参数:count($arr,COUNT_NORMAL);...
php 二维数组赋值定义答:多维数组定义、赋值参考如下:<?php fruits = array ( "fruits" => array ( "a" => "orange","b" => "banana","c" => "apple"),"numbers" => array ( 1,2,3,4,5,6 ),"holes" => array ( "first",5 => "second","third"));// Some examples to address values...