imageaffinematrixconcat
PHP function
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(PHP 5 >= 5.5.0, PHP 7, PHP 8)
Concatenate 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
matrix1An affine transformation matrix (an array with keys
0to5and float values).matrix2An affine transformation matrix (an array with keys
0to5and float values).
Return Values
An affine transformation matrix (an array with keys 0 to 5 and float values) Falseforfailure.
Examples
imageaffinematrixconcat() example
php
<?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:
output
Array
(
[0] => 4
[1] => 0
[2] => 0
[3] => 5
[4] => 8
[5] => 15
)