ImagickPixelIterator::clear

Clear resources associated with a PixelIterator

&reftitle.description; public `bool` `ImagickPixelIterator::clear` &warn.undocumented.func;

Clear resources associated with a PixelIterator.

&reftitle.returnvalues;

&imagick.return.success;

&reftitle.examples;

### `ImagickPixelIterator::clear`

    <?php
    function clear($imagePath) {
        $imagick = new \Imagick(realpath($imagePath));

        $imageIterator = $imagick->getPixelRegionIterator(100, 100, 250, 200);

        /* Loop through pixel rows */
        foreach ($imageIterator as $pixels) {
            /** @var $pixel \ImagickPixel */
            /* Loop through the pixels in the row (columns) */
            foreach ($pixels as $column => $pixel) {
                if ($column % 2) {
                    /* Paint every second pixel black*/
                    $pixel->setColor("rgba(0, 0, 0, 0)");
                }
            }
            /* Sync the iterator, this is important to do on each iteration */
            $imageIterator->syncIterator();
        }

        $imageIterator->clear();

        header("Content-Type: image/jpg");
        echo $imagick;
    }

    ?>