imagerectangle imagesavealpha Image PHP Manual imagerotate (PHP 4 >= 4.3.0, 5) — Rotate an image with a given angle Descrierea resource ( $source_image , float $angle int $bgd

Descrierea

resource imagerotate ( resource $source_image , float $angle , int $bgd_color [, int $ignore_transparent ] )

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.

Parametri

source_image: The source image link
angle: Rotation angle, in degrees.
bgd_color: Specifies the color of the uncovered zone after the rotation
ignore_transparent: If set and non-zero, transparent colors are ignored (otherwise kept).

Valorile întroarse

Istoria schimbărilor

Versiunea	Descriere
5.1.0	`ignore_transparent` was added.

Exemple

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);
?>

Exemplul de mai sus va afişa ceva similar cu:

Note

Notă: Această funcţie este disponibilă numai dacă PHP este compilat cu versiunea bibliotecii GD furnizată împreună cu PHP.

imagerotate