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PHP imageaffinematrixconcat

PHP original manual for imageaffinematrixconcat [ show | php.net ]

imageaffinematrixconcat

(PHP 5 >= 5.5.0, PHP 7)

imageaffinematrixconcat — Concatenate two affine transformation matrices

Description

array imageaffinematrixconcat ( array $m1 , array $m2 )

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