(PHP 4 >= 4.3.0, PHP 5)
imagerotate — Rotate an image with a given angle
Rotates the image image using the given angle in degrees.
The center of rotation is the center of the image, and the rotated image is scaled down so that the whole rotated image fits in the destination image - the edges are not clipped.
An image resource, returned by one of the image creation functions, such as imagecreatetruecolor().
Rotation angle, in degrees.
Specifies the color of the uncovered zone after the rotation
If set and non-zero, transparent colors are ignored (otherwise kept).
Версия | Описание |
---|---|
5.1.0 | ignore_transparent was added. |
Пример #1 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);
?>
Результатом выполнения данного примера будет что-то подобное:
Замечание: Эта функция доступна только в том случае, если PHP был скомпилирован со встроенной библиотекой GD.