<?php
class CSVFileIterator implements Iterator{
protected $_index = 0;
function __construct()
{
}
/**
* (PHP 5 >= 5.0.0)<br/>
* Return the current element
* @link http://php.net/manual/en/iterator.current.php
* @return mixed Can return any type.
*/
public function current()
{
return $this->_index;
}
/**
* (PHP 5 >= 5.0.0)<br/>
* Move forward to next element
* @link http://php.net/manual/en/iterator.next.php
* @return void Any returned value is ignored.
*/
public function next()
{
var_dump('next');
$this->_index++;
}
/**
* (PHP 5 >= 5.0.0)<br/>
* Return the key of the current element
* @link http://php.net/manual/en/iterator.key.php
* @return mixed scalar on success, or null on failure.
*/
public function key()
{
var_dump('key');
return $this->_index;
}
/**
* (PHP 5 >= 5.0.0)<br/>
* Checks if current position is valid
* @link http://php.net/manual/en/iterator.valid.php
* @return boolean The return value will be casted to boolean and then evaluated.
* Returns true on success or false on failure.
*/
public function valid()
{
var_dump('valid');
return $this->_index <5;
}
/**
* (PHP 5 >= 5.0.0)<br/>
* Rewind the Iterator to the first element
* @link http://php.net/manual/en/iterator.rewind.php
* @return void Any returned value is ignored.
*/
public function rewind()
{
var_dump('rewind');
$this->_index = 0;
}
}
$i = new CSVFileIterator();
foreach ($i as $j)
var_dump($j);
Deprecated: Return type of CSVFileIterator::current() should either be compatible with Iterator::current(): mixed, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in /in/aqc5R on line 17
Deprecated: Return type of CSVFileIterator::next() should either be compatible with Iterator::next(): void, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in /in/aqc5R on line 28
Deprecated: Return type of CSVFileIterator::key() should either be compatible with Iterator::key(): mixed, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in /in/aqc5R on line 40
Deprecated: Return type of CSVFileIterator::valid() should either be compatible with Iterator::valid(): bool, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in /in/aqc5R on line 53
Deprecated: Return type of CSVFileIterator::rewind() should either be compatible with Iterator::rewind(): void, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in /in/aqc5R on line 65
string(6) "rewind"
string(5) "valid"
int(0)
string(4) "next"
string(5) "valid"
int(1)
string(4) "next"
string(5) "valid"
int(2)
string(4) "next"
string(5) "valid"
int(3)
string(4) "next"
string(5) "valid"
int(4)
string(4) "next"
string(5) "valid"