(PHP 5 >= 5.5.0, PHP 7)
imageaffinematrixconcat — Concatenate two affine transformation matrices
$m1
, array $m2
) : arrayReturns the concatenation of two affine transformation matrices, what is useful if multiple transformations should be applied to the same image in one go.
m1An affine transformation matrix (an array with keys 0 to 5 and float values).
m2An affine transformation matrix (an array with keys 0 to 5 and float values).
An affine transformation matrix (an array with keys
0 to 5 and float values)
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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);
?>
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Array
(
[0] => 4
[1] => 0
[2] => 0
[3] => 5
[4] => 8
[5] => 15
)