imagerotate
imagerotate
Rotate an image with a given angle
**imagerotate** GdImage $image float $angle int $background_color
Rotates the image using the given
in degrees.
image``angle
The center of rotation is the center of the image, and the rotated image may have different dimensions than the original image.
angleRotation angle, in degrees. The rotation angle is interpreted as the
number of degrees to rotate the image anticlockwise.
background_colorSpecifies the color of the uncovered zone after the rotation
Returns an image object for the rotated image, return.falseforfailure.
Voorbeeld: Rotate an image 180 degrees
This example rotates an image 180 degrees - upside down.
<?php
// File and rotation
$filename = 'test.jpg';
$degrees = 180;
// Content type
header('Content-type: image/jpeg');
// Load
$source = imagecreatefromjpeg($filename);
// Rotate
$rotate = imagerotate($source, $degrees, 0);
// Output
imagejpeg($rotate);
?>
imagesetinterpolation