php-gdHow to rotate an image
<?php
$file = '/var/www/examples/heroine.png';
$im = imagecreatefrompng($file);
$c_black = imageColorAllocate($im, 0,0,0);
$imr = imagerotate( $im, 90, $c_black );
imagePng($imr, '/tmp/image.png');ctrl + c$fileimage to rotate | imagecreatefrompngcreates GD image object from given PNG image |
imageColorAllocatecreates color object to later use in image | imagerotaterotates given image and returns new |
90rotate image by | $c_blackcolor to use for background (if necessary) |
imagePngsaves image in PNG format to the given path | |
Usage example
<?php
$file = '/var/www/examples/heroine.png';
$im = imagecreatefrompng($file);
$c_black = imageColorAllocate($im, 0,0,0);
$imr = imagerotate( $im, 90, $c_black );
imagePng($imr, '/tmp/image.png');