Online PHP editor | rfc for 1bl8m

@ 2021-10-01T17:21:22Z

<?php

$datetime1 = new \DateTimeImmutable('9999-01-02 15:00:00.000000', new \DateTimeZone('UTC'));

try {
    $datetime2 = $datetime1->add(new \DateInterval('P1Y'));
    echo $datetime2->format('Y-m-d H:i:s.u') . \PHP_EOL;
} catch (\Throwable $e) {
    echo 'exception' . \PHP_EOL;
}

$datetime3 = \DateTimeImmutable::createFromFormat('Y-m-d H:i:s.u', $datetime2->format('Y-m-d H:i:s.u'), new \DateTimeZone('UTC'));
if ($datetime3 !== false) {
    echo $datetime3->format('Y-m-d H:i:s.u') . \PHP_EOL;
} else {
    echo 'false' . \PHP_EOL;
}

try {
    $datetime4 = new \DateTimeImmutable($datetime2->format('Y-m-d H:i:s.u'), new \DateTimeZone('UTC'));
    echo $datetime4->format('Y-m-d H:i:s.u') . \PHP_EOL;
} catch (\Throwable $e) {
    echo 'exception' . \PHP_EOL;
}

// Workaround with fake year
try {
    $datetime5 = new \DateTimeImmutable($datetime2->format('1234-m-d H:i:s.u'), new \DateTimeZone('UTC'));
    $datetime5 = $datetime5->setDate((int)$datetime2->format("Y"), (int)$datetime2->format("n"), (int)$datetime2->format("j"));
    echo $datetime5->format('Y-m-d H:i:s.u') . \PHP_EOL;
} catch (\Throwable $e) {
    echo 'exception' . \PHP_EOL;
}

Output for git.master, git.master_jit, rfc.property-hooks: 10000-01-02 15:00:00.000000 false exception 10000-01-02 15:00:00.000000

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2016-08-14 Arrow functions - withdrawn
2016-05-29 array_change_keys() - withdrawn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2016-03-16 Typed Properties - superseded in favor of Typed Properties 2.0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2015-05-01 Short Closures - declined / withdrawn in favor of Arrow Functions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