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@ 2017-07-01T13:07:35Z

<?php

class testing {
    protected $latitudes = [2,4,6,8,10];
    protected $longitudes = [3,6,9,12,15];

    public function __construct() {
    }
    
    private function nextLatitude() {
        yield from $this->latitudes;
    }
    public function getLatitude() {
        foreach($this->nextLatitude() as $latitude) {
            return $latitude;
        }
    }

    private function nextLongitude() {
        yield from $this->longitudes;
    }
    public function getLongitude() {
        $this->nextLongitude()->next();
        return $this->nextLongitude()->current();
    }
}

$x = new testing();

echo $x->getLatitude(), PHP_EOL;
echo $x->getLongitude(), PHP_EOL, PHP_EOL;

echo $x->getLatitude(), PHP_EOL;
echo $x->getLongitude(), PHP_EOL, PHP_EOL;

echo $x->getLatitude(), PHP_EOL;
echo $x->getLongitude(), PHP_EOL, PHP_EOL;

Output for git.master, git.master_jit, rfc.property-hooks: 2 3 2 3 2 3

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2016-08-14 Arrow functions - withdrawn
2016-05-29 array_change_keys() - withdrawn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2016-03-16 Typed Properties - superseded in favor of Typed Properties 2.0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2015-05-01 Short Closures - declined / withdrawn in favor of Arrow Functions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