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@ 2016-01-06T16:16:47Z

<?php


$start = new DateTime('yesterday');
$restrict_array = array();
if (is_callable(array($start, '__sleep'))) {
	echo "Called: __sleep()".PHP_EOL;
	var_dump($restrict_array = $start->__sleep());
	echo PHP_EOL.PHP_EOL.PHP_EOL;
}
$serialized = array(
	'class' => get_class($start),
	'state' => (array) $start
);
if (!empty($restrict_array)) {
	$serialized['state'] = array_intersect_key($serialized['state'], $restrict_array);
}
echo "Serialized Data:".PHP_EOL;
var_dump($serialized);
echo PHP_EOL.PHP_EOL.PHP_EOL;
unset($start);
if (is_callable(array($serialized['class'], '__set_state'))) {
	echo "Called: __set_state()".PHP_EOL;
	var_dump($serialized['class']::__set_state($serialized['state']));
	echo PHP_EOL.PHP_EOL.PHP_EOL;
}
if (is_callable(array($serialized['class'], '__wakeup'))) {
	echo "Called: __wakeup()".PHP_EOL;
	$serialized['class']::__wakeup();
}

Output for git.master, git.master_jit, rfc.property-hooks: Serialized Data: array(2) { ["class"]=> string(8) "DateTime" ["state"]=> array(3) { ["date"]=> string(26) "2016-01-05 00:00:00.000000" ["timezone_type"]=> int(3) ["timezone"]=> string(16) "Europe/Amsterdam" } } Called: __set_state() object(DateTime)#1 (3) { ["date"]=> string(26) "2016-01-05 00:00:00.000000" ["timezone_type"]=> int(3) ["timezone"]=> string(16) "Europe/Amsterdam" }

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2016-08-14 Arrow functions - withdrawn
2016-05-29 array_change_keys() - withdrawn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2016-03-16 Typed Properties - superseded in favor of Typed Properties 2.0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2015-05-01 Short Closures - declined / withdrawn in favor of Arrow Functions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