# Imagick::getPixelIterator

(PECL imagick 2.0.0)

Imagick::getPixelIterator — Returns a MagickPixelIterator

### Description

Imagick::getPixelIterator ( ) : ImagickPixelIterator

Returns a MagickPixelIterator.

### Return Values

Returns an ImagickPixelIterator on success.

### Errors/Exceptions

Throws ImagickException on error.

### Examples

Example #1 Imagick::getPixelIterator()

`<?php
function getPixelIterator($imagePath) {
$imagick = new \Imagick(realpath($imagePath));
$imageIterator = $imagick->getPixelIterator();
foreach ($imageIterator as $row => $pixels) { /* Loop through pixel rows */
foreach ($pixels as $column => $pixel) { /* Loop through the pixels in the row (columns) */
/** @var $pixel \ImagickPixel */
if ($column % 2) {
$pixel->setColor("rgba(0, 0, 0, 0)"); /* Paint every second pixel black*/
}
}
$imageIterator->syncIterator(); /* Sync the iterator, this is important to do on each iteration */
}
header("Content-Type: image/jpg");
echo $imagick;
}
?>`