PHP Manual: imageaffinematrixget

function imageaffinematrixget(int $type, array|float $options): array|false

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) or false on failure.

Example #1 imageaffinematrixget() example

<?php
$matrix = imageaffinematrixget(IMG_AFFINE_TRANSLATE, array('x' => 2, 'y' => 3));
print_r($matrix);
?>

The above example will output:

Array
(
    [0] => 1
    [1] => 0
    [2] => 0
    [3] => 1
    [4] => 2
    [5] => 3
)

imageaffinematrixget