testPhpGdlibImageCreationWithVfsStream.php

<?php

/** Writing png image to file */

$filename = vfsStream::url('root/test.png');

// not testable with vfsStream
imagepng($image, $filename);


// Workaround, testable with vfsStream
ob_start();
imagepng($image);
$imageRawData = ob_get_contents();
ob_end_clean();
file_put_contents($filename, $imageRawData);