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Latest Version [8.00202205221] Last Updated [May-22-2022]

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PHP Manual [imageaffinematrixconcat]

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PHP Manual || GD and Image Functions

(PHP 5 >= 5.5.0, PHP 7)

imageaffinematrixconcatConcatenate two affine transformation matrices

Description

imageaffinematrixconcat ( array $m1 , array $m2 ) : array

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

m1

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

m2

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



PHP Manual || GD and Image Functions