Online PHP editor | rfc for RZU5s

@ 2022-02-20T10:14:23Z

<?php

$input = '[
    {
        "date": "2022-02-15",
        "websites": [
            {
                "website_name": "instagram",
                "num_followers": "123146780"
            },
            {
                "website_name": "instagram",
                "num_followers": "123134954"
            },
            {
                "website_name": "tiktok",
                "num_followers": "123184229"
            }
        ]
    },
    {
        "date": "2022-02-14",
        "websites": [
            {
                "website_name": "instagram",
                "num_followers": "123057832"
            },
            {
                "website_name": "tiktok",
                "num_followers": "123058141"
            },
            {
                "website_name": "tiktok",
                "num_followers": "123058219"
            },
            {
                "website_name": "instagram",
                "num_followers": "123059280"
            }
        ]
    }
]';


$data = [];
foreach (json_decode($input, true) as $day) {
    $items['date'] = $day['date'];
    $sites = [];
    
    foreach ($day['websites'] as $site) {
        $name = $site['website_name'];
        if (key_exists($name, $sites) === false) {
            $sites[$name] = $site;
            continue;
        }
        
        if ($sites[$name]['num_followers'] < $site['num_followers']) {
            $sites[$name] = $site;
        }
    }
    
    $items['websites'] = array_values($sites);
    
    $data[] = $items;
}


var_dump(json_encode($data, JSON_PRETTY_PRINT));

Output for git.master, git.master_jit, rfc.property-hooks: string(620) "[ { "date": "2022-02-15", "websites": [ { "website_name": "instagram", "num_followers": "123146780" }, { "website_name": "tiktok", "num_followers": "123184229" } ] }, { "date": "2022-02-14", "websites": [ { "website_name": "instagram", "num_followers": "123059280" }, { "website_name": "tiktok", "num_followers": "123058219" } ] } ]"

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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2016-08-14 Arrow functions - withdrawn
2016-05-29 array_change_keys() - withdrawn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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