(PHP 5 >= 5.5.0, PHP 7)
imageaffinematrixget — Get an affine transformation matrix
Returns an affine transformation matrix.
type
One of the IMG_AFFINE_* constants.
options
If type is IMG_AFFINE_TRANSLATE
or IMG_AFFINE_SCALE,
options has to be an array with keys x
and y, both having float values.
If type is IMG_AFFINE_ROTATE,
IMG_AFFINE_SHEAR_HORIZONTAL or IMG_AFFINE_SHEAR_VERTICAL,
options has to be a float specifying the angle.
An affine transformation matrix (an array with keys
0 to 5 and float values)
或者在失败时返回 FALSE.
Example #1 imageaffinematrixget() example
<?php
$matrix = imageaffinematrixget(IMG_AFFINE_TRANSLATE, array('x' = 2, 'y' => 3));
print_r($matrix);
?>
以上例程会输出：
Array
(
[0] => 1
[1] => 0
[2] => 0
[3] => 1
[4] => 2
[5] => 3
)