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PHP code:
<?php
class MyIterator implements Iterator
{ private $var = array();
public function __construct($array)
{ if (is_array($array)){ $this->var = $array; }
}
public function rewind()
{
reset($this->var);
}
public function current()
{ $var = current($this->var);
return $var;
}
public function key()
{ $var = key($this->var);
return $var;
}
public function next()
{ $var = next($this->var);
return $var;
}
public function valid()
{ $var = $this->current() !== false;
return $var;
}
}
$values = array(1,2,3);
$it = new MyIterator($values);
foreach ($it as $a => $b) {echo $a."=>".$b."<br>";}
?>
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