Answers for "sort by value php"

php sort array by key

$weight = [
    'Pete' => 75, 
    'Benjamin' => 89,
    'Jonathan' => 101
  ];  	
  ksort($weight);

php sorting functions

<?php
$fruit = array("apple","banana","mango","orange","strawbary");

sort($fruit);       //arrange in ascending order
echo "<pre>";
print_r($fruit);

rsort( $fruit);     //sort in descending order
foreach($fruit as $val)
{
    echo $val."<br>";
}

$girl = array("krisha"=>20,"yashvi"=>30,"ritu"=>4,"pinal"=>80);
asort($girl);       //sort in ascending order according to value
print_r($girl);

ksort($girl);   //sort in ascending order according to key
print_r($girl);     

arsort($girl);      //sort in descending order according to value
print_r($girl);

krsort($girl);      //sort in descending order according to key
print_r($girl);
?>

sort array php

<?php
$fruits = array("d" => "lemon", "a" => "orange", "b" => "banana", "c" => "apple");
asort($fruits);
foreach ($fruits as $key => $val) {
    echo "$key = $val\n";
}
?>
//Would output:
c = apple
b = banana
d = lemon
a = orange

php array sort

function aasort (&$array, $key) {
    $sorter=array();
    $ret=array();
    reset($array);
    foreach ($array as $ii => $va) {
        $sorter[$ii]=$va[$key];
    }
    asort($sorter);
    foreach ($sorter as $ii => $va) {
        $ret[$ii]=$array[$ii];
    }
    $array=$ret;
}

aasort($your_array,"order");

array sort php

// array sort php
$room_details = array(
      "2020-09-27": [
                {
                    "content": "how are you",
                    "detail_id": "1",
                    "time": "17:57:28",
                    "chat_time": "2020-09-24 17:57:28",
                    "width": "0",
                    "height": "0",
                    "type": "1",
                    "distance_time": "26 days ago",
                    "avatar": "uploads/MemberImage/20200922-1436-image-5f699b536f438-0.png",
                    "position": 2
                },
                {
                    "content": "I am fine, thanks",
                    "detail_id": "2",
                    "time": "17:57:45",
                    "chat_time": "2020-09-24 17:57:45",
                    "width": "0",
                    "height": "0",
                    "type": "1",
                    "distance_time": "26 days ago",
                    "avatar": "uploads/MemberImage/20200922-1436-image-5f699b536f438-0.png",
                    "position": 2
                },
      ],
	 "2020-09-24": [
                {
                    "content": "how are you",
                    "detail_id": "1",
                    "time": "17:57:28",
                    "chat_time": "2020-09-24 17:57:28",
                    "width": "0",
                    "height": "0",
                    "type": "1",
                    "distance_time": "26 days ago",
                    "avatar": "uploads/MemberImage/20200922-1436-image-5f699b536f438-0.png",
                    "position": 2
                },
                {
                    "content": "I am fine, thanks",
                    "detail_id": "2",
                    "time": "17:57:45",
                    "chat_time": "2020-09-24 17:57:45",
                    "width": "0",
                    "height": "0",
                    "type": "1",
                    "distance_time": "26 days ago",
                    "avatar": "uploads/MemberImage/20200922-1436-image-5f699b536f438-0.png",
                    "position": 2
                },
      ],
);

sort($room_details);

// result
// array sort php
$room_details = array(
      "2020-09-24": [
                ...
      ],
	 "2020-09-27": [
               ...
      ],
);

php sort

PHP function sort(array &$array, int $flags) bool
---------------------------------------------
Sort an array
  
Parameters:
array--$array--The input array.
int--$flags--[optional] The optional second parameter sort_flags may be used to modify the sorting behavior using these values. 
Sorting type flags: SORT_REGULAR - compare items normally (don't change types).

Returns: true on success or false on failure.