Online PHP editor | rfc for 1aETf

@ 2019-11-13T06:26:00Z

<?php

$data = [
    [
        "id" => 1,
        "influencer_user_id" => 4,
        "content_data" => '{"Reach":"300","Views":"320","Views through rate":"350","Shares":"350"}',
    ],
    [
        "id" => 2,
        "influencer_user_id" => 4,
        "content_data" => '{"Reach":"100","Likes":"100","Views":"100"}',
    ],
    [
        "id" => 3,
        "influencer_user_id" => 5,
        "content_data" => '{"Reach":"350"}',
    ],
]; 

$result = array();

// first, group the influencer_user_id
foreach ($data as $element) {
    $result[$element['influencer_user_id']][] = $element;
}

// second, calculate content_data
$result = array_map(function($element){
    $element = array_reduce($element, function($carry, $item){

        // convert to array
        $content_data = json_decode($item['content_data'], true);
        
        // convert content_data to integer values
        $content_data = array_map('intval', $content_data);
        
        $item['content_data'] = $content_data;
        
        if(empty($carry))
            return $item;
            
        // compute content_data sum
        array_walk($item['content_data'], function(&$value, $key) use ($carry){
            if(isset($carry['content_data'][$key])){
                $value += $carry['content_data'][$key];
            }
        });
        
        return $item;
    });
    
    // convert content_data back to json
    $cdata = $element['content_data'];
    $element['content_data'] = json_encode($cdata);
    
    return $element;
}, $result);

$result = array_values($result);

print_r($result);

Output for git.master, git.master_jit, rfc.property-hooks: Array ( [0] => Array ( [id] => 2 [influencer_user_id] => 4 [content_data] => {"Reach":400,"Likes":100,"Views":420} ) [1] => Array ( [id] => 3 [influencer_user_id] => 5 [content_data] => {"Reach":350} ) )

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2020-03-21 RFC: Is_Literal - declined
2020-12-04 Enumerations - included in PHP 8.1
2018-06-15 Typed Properties v2 - implemented in PHP 7.4
2016-08-12 Object typehint - included in PHP 7.2
2016-08-14 Arrow functions - withdrawn
2016-05-29 array_change_keys() - withdrawn
2016-04-19 Lexical scope support for anonymous classes - suspended
2016-04-17 Functional Interfaces - declined
2016-03-16 Typed Properties - superseded in favor of Typed Properties 2.0
2015-08-27 Callable Prototypes - declined
2015-05-01 Short Closures - declined / withdrawn in favor of Arrow Functions
2015-02-18 Scalar type hints v5 - included in PHP 7
2015-02-14 Union Types - declined
2013-09-22 Anonymous classes - included in PHP 7

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