Question

php如何数组中输出倒数第二位的值

$ss=array(..............'a','b','c');

输出倒数第二位的值--b

Answer 1

<?php
$arr = array(1,3,4,5,3,5,543,534,5,34,5,345,34,5,234324);
$arr = array_slice($arr,-2,1);
print_r($arr);
?>

Answer 2

<?php
//Code by jhk
function get_last2_arr_value(array $array) {
/*
函数说明:输出数组中倒数第二位的值.
*/
$count = count($array);
if ($count < 2) {
return false;
//成员数小于二的数组无法进行本函数的操作.
}
$count = $count -1 -1;
return $array[$count];
}
?>

Answer 3

<?php
$arr
=
array(1,3,4,5,3,5,543,534,5,34,5,345,34,5,234324);
$arr
=
array_slice($arr,-2,1);
print_r($arr);
?>

Answer 4

$c=count($ss);
echo $ss[$c-2];