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@ 2024-05-05T11:47:58Z

<?php

$officialGrid = [
    ['grid' => TRUE, 'time' => '08:00', 'content' => NULL],
    ['grid' => TRUE, 'time' => '09:00', 'content' => NULL]
];

$bookings = [
    ['grid' => NULL, 'time' => '08:00', 'content' => 'Paul Simon'],
    ['grid' => NULL, 'time' => '08:00', 'content' => 'Art Garfunkel'],
    ['grid' => NULL, 'time' => '08:39', 'content' => 'Homer J. Simpson']
];

$result = array_column($officialGrid, null, 'time');
foreach ($bookings as $row) {
    if (!isset($result[$row['time']])) {
        $result[$row['time']] = $row;
    } else {
        $result[$row['time']]['content'] = sprintf(
            '%s%s',
            (isset($result[$row['time']]['content']) ? "{$result[$row['time']]['content']}, " : ''),
            $row['content']
        );
    }
}
ksort($result);
var_export(array_values($result));

Output for git.master, git.master_jit, rfc.property-hooks: array ( 0 => array ( 'grid' => true, 'time' => '08:00', 'content' => 'Paul Simon, Art Garfunkel', ), 1 => array ( 'grid' => NULL, 'time' => '08:39', 'content' => 'Homer J. Simpson', ), 2 => array ( 'grid' => true, 'time' => '09:00', 'content' => NULL, ), )

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2022-12-01 RFC: Property hooks - included in PHP 8.4
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2016-08-14 Arrow functions - withdrawn
2016-05-29 array_change_keys() - withdrawn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2016-03-16 Typed Properties - superseded in favor of Typed Properties 2.0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2015-05-01 Short Closures - declined / withdrawn in favor of Arrow Functions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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