PHP：根据字母顺序将数组中的值分开 [英] PHP: separate value in array according to alphabate order

问题描述

我想根据alphabate在数组中查找值，并希望根据alphabate顺序在数组值中列出。

i want to find values in array according to alphabate and want to make list in of array values according to alphabate order.

我的数组是这样的：

my array is like that:

数组（
[0] =>数组
（
[0] =>阿迪达斯
[1] => AKG
[2] =>苹果
[3] =>廉价产品
[4] =>佳能
[5] =>戴尔
[6] => Dixons
[7] => HTC
[8] =>利物浦
[9] =>微软
[10] =>倍耐力轮胎
[11] =>
）

Array ( [0] => Array ( [0] => Adidas [1] => AKG [2] => Apple [3] => Barrats [4] => Canon [5] => Dell [6] => Dixons [7] => HTC [8] => Liverpool [9] => Microsoft [10] => Pirelli Tyres [11] => )

）

并且我想按照这样的alphabate列出值列表：

and i want to make a list of values according to alphabate like this:

A           
________        
  Adidas       
  AKG 

plz有什么想法吗？

plz any idea?

推荐答案

可以使用som优化，但确实符合您的要求：

Could use some optimization, but does exactly what you asked:

    $a = array("Chicken","Fish","Hello","Lebowski","What","hey","foo");

    asort($a);
    $alphaArr = array();

    foreach(range('A', 'Z') as $letter) {

        // create empty array at offset for current letter
        $alphaArr[$letter] = array();

        foreach($a as $item) {

            // if the first letter starts with current letter
            // push it into subarray
            if (substr(strtolower($item),0,1) == strtolower($letter)) {
                $alphaArr[$letter][] = $item;
            }
        }
    }
    print_r($alphaArr);

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