Iterator

<?php
class myIterator implements Iterator {
    private $position = 0;
    private $array = array(
        "firstelement",
        "secondelement",
        "lastelement",
    );  

    public function __construct() {
        $this->position = 0;
    }

    public function rewind() {
        var_dump(__METHOD__);
        $this->position = 0;
    }

    public function current() {
        var_dump(__METHOD__);
        return $this->array[$this->position];
    }

    public function key() {
        var_dump(__METHOD__);
        return $this->position;
    }

    public function next() {
        var_dump(__METHOD__);
        ++$this->position;
    }

    public function valid() {
        var_dump(__METHOD__);
        return isset($this->array[$this->position]);
    }
}

$it = new myIterator;

foreach($it as $key => $value) {
    var_dump($key, $value);
    echo "\n";
}
?>

Source: php.net

Similar codes

0 vote285 views1 answer
Php get object josn
PHP
0 vote289 views1 answer
Laravel collection max
PHP
0 vote315 views2 answers
The media must not be greater than 12288 kilobytes in laravel
PHP Laravel
0 vote260 views1 answer
Phpoffice create excel and download
PHP
0 vote327 views1 answer
Laravel first or with callback
PHP Laravel
1 vote306 views2 answers
EnableQueryLog
PHP
16 votes249 views9 answers
Laravel blade date format
PHP
0 vote310 views1 answer
Group by codeigniter 3
PHP
0 vote292 views1 answer
How show livewire component in laravel
PHP
1 vote288 views1 answer
Laravel date rule before 18 years ago
PHP