get the maximum value of the associative array in php [duplicate] - php

Question

This question already has answers here:
Hightest value of an associative array
(4 answers)
Closed 4 years ago.
I have the following array
Array
(
[anger] => 0
[disgust] => 20
[fear] => 0
[joy] => 22.853
[sadness] => 0
[surprise] => 0
)
Array
(
[anger] => 0
[disgust] => 20
[fear] => 0
[joy] => 22.853
[sadness] => 0
[surprise] => 0
)
I want to get key of the maximum value from the array that is joy from the above array.
Thank you for helping in advance.

Answer 1

$key = array_keys($yourArray,max($yourArray));

Answer 2

You can do this with 2 steps given below:
Get the max value:
$value = max($array);
Get the corresponding key:
$key = array_search($value, $array);

Answer 3

<?php
$array = array(
Array
(
'anger' => 0,
'disgust' => 20,
'fear' => 0,
'joy' => 22.853,
'sadness' => 0,
'surprise' => 0
),
Array
(
'anger' => 0,
'disgust' => 20,
'fear' => 0,
'joy' => 22.853,
'sadness' => 6660,
'surprise' => 0
)
);
for ($i=0; $i < count($array); $i++) {
$maxs = array_keys($array[$i], max($array[$i]));
print_r($maxs);
}
?>
OUTPUT:
Array ( [0] => joy ) Array ( [0] => sadness )
Hope this will help you
Thanks
Muthu

Answer 4

#Niki, above answers are appreciable. Here I've tried to present you in my way. May be, it can be similar to other answers. I will try to find other ways to do the same and update the answer.
Try it online at http://rextester.com/MDGZ18118.
PHP code »
<?php //php 7.0.8
$arr1 = Array
(
"anger" => 0,
"disgust" => 20,
"fear" => 0,
"joy" => 22.853,
"sadness" => 0,
"surprise" => 0,
);
$arr2 = Array
(
"anger" => 0,
"disgust" => 20,
"fear" => 0,
"joy" => 22.853,
"sadness" => 0,
"surprise" => 0,
);
$ret = print_r($arr1); // print_r() returns 1, if we will not store it in any variable then it will be printed on screen.
echo "\n"; // echo "<br>"; for browser
$ret = print_r($arr2);
// Finding key of max element
echo array_search(max($arr1), $arr1);
echo("\n"); // echo "<br>"; for browser
echo array_search(max($arr2), $arr2);
?>
Output »
Array
(
[anger] => 0
[disgust] => 20
[fear] => 0
[joy] => 22.853
[sadness] => 0
[surprise] => 0
)
Array
(
[anger] => 0
[disgust] => 20
[fear] => 0
[joy] => 22.853
[sadness] => 0
[surprise] => 0
)
joy
joy