[英]multi dimensional array sorting by string
I'm breaking my head trying to figure out how to do this right, I have this multi dimensional array: 我很头疼,想弄清楚该怎么做,我有这个多维数组:
Array
(
[0] => Array
(
[time] => November 1st 10:10
[query] => movies
[set] => 1
[matches] => No matching results
[results] => 5
)
[1] => Array
(
[time] => November 1st 10:10
[query] => cinemas
[set] => 1
[matches] => No matching results
[results] => 2
)
)
In real life, there could be alot more sub-arrays, but et's say I want to sort it by "query" alphabetically, how can I achieve this? 在现实生活中,可能会有更多的子数组,但是有人说我想按字母“查询”对它进行排序,我该如何实现呢?
I saw only solutions for integer type or key index, the end result, in this case, would be: 我只看到整数类型或键索引的解决方案,在这种情况下,最终结果将是:
Array
(
[0] => Array
(
[time] => November 1st 10:10
[query] => cinemas
[set] => 1
[matches] => No matching results
[results] => 2
)
[1] => Array
(
[time] => November 1st 10:10
[query] => movies
[set] => 1
[matches] => No matching results
[results] => 5
)
)
Much appreciated, thanks. 非常感谢,谢谢。
function querySort ($x, $y) {
return strcasecmp($x['query'], $y['query']);
}
usort($myArray, 'querySort');
I often use this function to sort multi dimensional arrays: 我经常使用此函数对多维数组进行排序:
function sortmulti ($array, $index, $order, $natsort=FALSE, $case_sensitive=FALSE) {
if(is_array($array) && count($array)>0) {
foreach(array_keys($array) as $key) {
$temp[$key]=$array[$key][$index];
}
if(!$natsort) {
if ($order=='asc') {
asort($temp);
} else {
arsort($temp);
}
}
else
{
if ($case_sensitive===true) {
natsort($temp);
} else {
natcasesort($temp);
}
if($order!='asc') {
$temp=array_reverse($temp,TRUE);
}
}
foreach(array_keys($temp) as $key) {
if (is_numeric($key)) {
$sorted[]=$array[$key];
} else {
$sorted[$key]=$array[$key];
}
}
return $sorted;
}
return $sorted;
}
Works a charm :) 很有魅力:)
agreed with @Hammerite answer, But here is a shortest way of doing this kind of sorting. 同意@Hammerite的回答,但这是进行这种排序的最短方法。 You can achieve the same result starting from PHP 5.3, by using an anonymous function :
您可以使用匿名函数从PHP 5.3开始获得相同的结果:
usort($myArray, function($x, $y) {
return strcasecmp($x['query'] , $y['query']);
});
17.1. 17.1。 - only syntax fix
-仅语法修复
声明:本站的技术帖子网页,遵循CC BY-SA 4.0协议,如果您需要转载,请注明本站网址或者原文地址。任何问题请咨询:yoyou2525@163.com.