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PHP imageaffinematrixget

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

imageaffinematrixget

(PHP 5 >= 5.5.0, PHP 7)

imageaffinematrixget — Get an affine transformation matrix

Description

array imageaffinematrixget ( int $type [, mixed $options ] )

Returns an affine transformation matrix.

Parameters

type

One of the IMG_AFFINE_* constants.

options

If type is IMG_AFFINE_TRANSLATE or IMG_AFFINE_SCALE, options has to be an array with keys x and y, both having float values.

If type is IMG_AFFINE_ROTATE, IMG_AFFINE_SHEAR_HORIZONTAL or IMG_AFFINE_SHEAR_VERTICAL, options has to be a float specifying the angle.

Return Values

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

Examples

Example #1 imageaffinematrixget() example

<?php
$matrix = imageaffinematrixget(IMG_AFFINE_TRANSLATE, array('x' = 2, 'y' => 3));
print_r($matrix);
?>

The above example will output:

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

See Also