Online PHP editor | rfc for nVPGt

@ 2020-06-14T07:33:58Z

<?php

$cars = array (
    0 => 
    (object)(array(
        'id' => 1,
        'title' => 'Golf',
        'manufacturer' => 1
    )),
    1 => 
    (object)(array(
        'id' => 2,
        'title' => 'Focus',
        'manufacturer' => 2
    )),
    2 => 
    (object)(array(
        'id' => 3,
        'title' => 'Jazz',
        'manufacturer' => null
    )),
    3 => 
    (object)(array(
        'id' => 4,
        'title' => 'Passat',
        'manufacturer' => 1
    )),
    4 => 
    (object)(array(
        'id' => 5,
        'title' => 'Toureg',
        'manufacturer' => 1
    )),
    5 => 
    (object)(array(
        'id' => 6,
        'title' => 'Galaxy',
        'manufacturer' => 2
    )),
    6 => 
    (object)(array(
        'id' => 7,
        'title' => 'Falcon',
        'manufacturer' => null
    )),
    7 => 
    (object)(array(
        'id' => 8,
        'title' => 'Commodore',
        'manufacturer' => null
    )),
    8 => 
    (object)(array(
        'id' => 9,
        'title' => 'Phoenix',
        'manufacturer' => 3
    )),
    9 => 
    (object)(array(
        'id' => 10,
        'title' => 'Cressida',
        'manufacturer' => null
    ))

);

// sort based on manufacturer
usort($cars, function ($a, $b) { 
    if (!$a->manufacturer) {
        // if both null, sort by id
        if (!$b->manufacturer) return $a->id - $b->id;
        // otherwise sort null values last
        return 1;
    }
    if (!$b->manufacturer)
        // sort null values last
        return -1;
    return $a->manufacturer - $b->manufacturer;
});

$lastmfg = 0;
foreach ($cars as $car) {
    if (!$car->manufacturer || $car->manufacturer != $lastmfg) {
        if ($lastmfg !== 0) echo "</div>\n";
        echo '<div class="container'. ($car->manufacturer ?  ' id' . $car->manufacturer : '') .'">'. "\n";
    }
    echo 'ID: ' . $car->id . ' - ' . $car->title . "\n";
    $lastmfg = $car->manufacturer;
}
echo "</div>\n";

Output for git.master, git.master_jit, rfc.property-hooks: <div class="container id1"> ID: 1 - Golf ID: 4 - Passat ID: 5 - Toureg </div> <div class="container id2"> ID: 2 - Focus ID: 6 - Galaxy </div> <div class="container id3"> ID: 9 - Phoenix </div> <div class="container"> ID: 3 - Jazz </div> <div class="container"> ID: 7 - Falcon </div> <div class="container"> ID: 8 - Commodore </div> <div class="container"> ID: 10 - Cressida </div>

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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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