ConFoo 2025

imageaffinematrixconcat

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

imageaffinematrixconcatConcatenate two affine transformation matrices

Опис

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.

Параметри

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).

Значення, що повертаються

An affine transformation matrix (an array with keys 0 to 5 and float values) або false в разі помилки.

Приклади

Приклад #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);
?>

Поданий вище приклад виведе:

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

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