Save an WebP file in PHP

<?php/*w w w .j a va  2  s .c o m*/
// Create a blank image and add some text
$im = imagecreatetruecolor(120, 20);
$text_color = imagecolorallocate($im, 233, 14, 91);

imagestring($im, 1, 5, 5,  'WebP with PHP', $text_color);

// Save the image
imagewebp($im, 'php.webp');

// Free up memory
imagedestroy($im);
?>