Concatenate two affine transformation matrices

# imageaffinematrixconcat

(PHP 5 >= 5.5.0, PHP 7, PHP 8)

imageaffinematrixconcat — Concatenate two affine transformation matrices

### Beschreibung

function imageaffinematrixconcat(array `$matrix1`, array `$matrix2`): array|false

Returns the concatenation of two affine transformation matrices, what is useful if multiple transformations should be applied to the same image in one go.

### Parameter-Liste

`matrix1`

  An affine transformation matrix (an array with keys `0` to `5` and float values).

`matrix2`

  An affine transformation matrix (an array with keys `0` to `5` and float values).

### Rückgabewerte

An affine transformation matrix (an array with keys `0` to `5` and float values) Bei einem Fehler wird `false` zurückgegeben..

### Beispiele

Beispiel #1 imageaffinematrixconcat() example

    <?php
    $m1 = imageaffinematrixget(IMG_AFFINE_TRANSLATE, array('x' => 2, 'y' => 3));
    $m2 = imageaffinematrixget(IMG_AFFINE_SCALE, array('x' => 4, 'y' => 5));
    $matrix = imageaffinematrixconcat($m1, $m2);
    print_r($matrix);
    ?>

Das oben gezeigte Beispiel erzeugt folgende Ausgabe:

    Array
    (
        [0] => 4
        [1] => 0
        [2] => 0
        [3] => 5
        [4] => 8
        [5] => 15
    )

### Siehe auch

- imageaffine() - Return an image containing the affine transformed src image, using an optional clipping area
- imageaffinematrixget() - Get an affine transformation matrix

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