imageaffinematrixconcat

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

imageaffinematrixconcatConcatenate two affine transformation matrices

Description

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.

Parameters

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).

Return Values

An affine transformation matrix (an array with keys 0 to 5 and float values) or false on failure.

Examples

Example #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);
?>

The above example will output:

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

See Also

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