Online PHP editor | rfc for ucYP2

@ 2022-05-31T07:36:03Z

<?php

$array = [
   0 => [
     "room_id" => "1",
     "date" => "01-07-2022",
     "available" => "A"
   ],
   1 => [
     "room_id" => "2",
     "date" => "01-07-2022",
     "available" => "A"
   ],
   2 => [
     "room_id" => "1",
     "date" => "02-07-2022",
     "available" => "A"
   ],
   3 => [
     "room_id" => "2",
     "date" => "02-07-2022",
     "available" => "U"
   ],
   4 => [
     "room_id" => "1",
     "date" => "03-07-2022",
     "available" => "U"
   ],
   5 => [
     "room_id" => "2",
     "date" => "03-07-2022",
     "available" => "U"
   ],
   6 => [
     "room_id" => "1",
     "date" => "04-07-2022",
     "available" => "U"
   ],
];

$hasVacancy = [];
$result = [];
foreach ($array as $row) {
    if ($row['available'] === 'A') {
        $hasVacancy[$row['date']] = $row; // store available as reference
        unset($result[$row['date']]);  // remove potentially stored unavailable row for date
    } elseif (!isset($hasVacancy[$row['date']])) {
        $result[$row['date']] = $row;  // is unavailable and no availables found
    }
}
var_export(array_values($result));

Output for git.master, git.master_jit, rfc.property-hooks: array ( 0 => array ( 'room_id' => '2', 'date' => '03-07-2022', 'available' => 'U', ), 1 => array ( 'room_id' => '1', 'date' => '04-07-2022', 'available' => 'U', ), )

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2016-08-14 Arrow functions - withdrawn
2016-05-29 array_change_keys() - withdrawn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2016-03-16 Typed Properties - superseded in favor of Typed Properties 2.0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2015-05-01 Short Closures - declined / withdrawn in favor of Arrow Functions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