(PHP 4 >= 4.3.0, PHP 5)
imagerotate — Rotate an image with a given angle
Rotates the source_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.
The source image link
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. |
Example#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:
Note: Эта функция доступна только в том случае, если PHP был скомпилирован со встроенной библиотекой GD.