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@ 2019-06-07T20:13:36Z

<?php

class UrlConcrete
{
    /**
     * @param DateTimeInterface|DateTime|null $lastmod
     *
     * @return UrlConcrete
     */
    public function setLastmod($lastmod = null)
    {
        if (!($lastmod instanceof \DateTimeInterface || $lastmod instanceof \DateTime)) {
            $typePassed = is_object($lastmod) ? \get_class($lastmod) : \gettype($lastmod);
            
            if (\PHP_MAJOR_VERSION >= 7) {
                throw new \TypeError('Argument 1 passed to ' . __METHOD__ . "() must be an instance of DateTimeInterface, '$typePassed' given");
            } else {
                \trigger_error('Argument 1 passed to ' . __METHOD__ . "() must be an instance of DateTime, '$typePassed' given", E_USER_ERROR);
                
                return $this;
            }
        }
        
        $this->lastmod = $lastmod;

        return $this;
    }
}

$x = new UrlConcrete();
$x->setLastmod(new \DateTime());
$x->setLastmod(new stdclass());

Output for rfc.property-hooks, git.master, git.master_jit: Deprecated: Creation of dynamic property UrlConcrete::$lastmod is deprecated in /in/NHDnA on line 24 Fatal error: Uncaught TypeError: Argument 1 passed to UrlConcrete::setLastmod() must be an instance of DateTimeInterface, 'stdClass' given in /in/NHDnA:16 Stack trace: #0 /in/NHDnA(32): UrlConcrete->setLastmod(Object(stdClass)) #1 {main} thrown in /in/NHDnA on line 16
Process exited with code 255.

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2016-08-14 Arrow functions - withdrawn
2016-05-29 array_change_keys() - withdrawn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2016-03-16 Typed Properties - superseded in favor of Typed Properties 2.0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2015-05-01 Short Closures - declined / withdrawn in favor of Arrow Functions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