3v4l.org

run code in 300+ PHP versions simultaneously

@ 2020-06-30T09:53:48Z

<?php

$a = Array(0 => Array('member_id' => 6, 'total' => 1, 'sorting' => 0),
           1 => Array('member_id' => 7, 'total' => 2, 'sorting' => 1)
);

$b = Array(0 => Array('member_id' => 2, 'total' => 3), 1 => Array('member_id' => 6, 'total' => 1),
           2 => Array('member_id' => 7, 'total' => 2)
);

/*
 * first, store all records with matching member_id
 */
$c = [];
foreach ($b as $key0 => $value0) {
    foreach ($a as $key1 => $value1) {
        // matching 'member_id'?
        if ($value0['member_id'] === $value1['member_id']) {
            // inject record into store $c
            $c[] = $a[$key1];
        }
    }
}

/*
 * second, inject non-matching records from $b into store $c
 */
$ids = array_column($c, 'member_id');
foreach ($b as $key => $value) {
    if (!in_array($value['member_id'], $ids)) {
        $sorting = max(array_column($c, 'sorting')) + 1;
        $value['sorting'] = $sorting;
        $c[] = $value;
    }
}


echo '<pre>';
print_r($c);
echo '</pre>';

Output for git.master, git.master_jit, rfc.property-hooks: <pre>Array ( [0] => Array ( [member_id] => 6 [total] => 1 [sorting] => 0 ) [1] => Array ( [member_id] => 7 [total] => 2 [sorting] => 1 ) [2] => Array ( [member_id] => 2 [total] => 3 [sorting] => 2 ) ) </pre>

This tab shows result from various feature-branches currently under review by the php developers. Contact me to have additional branches featured.

Active branches

Archived branches

Once feature-branches are merged or declined, they are no longer available. Their functionality (when merged) can be viewed from the main output page

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2016-08-14 Arrow functions - withdrawn
2016-05-29 array_change_keys() - withdrawn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2016-03-16 Typed Properties - superseded in favor of Typed Properties 2.0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2015-05-01 Short Closures - declined / withdrawn in favor of Arrow Functions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

preferences:dark modelive preview

116.78 ms | 406 KiB | 5 Q