imageaffinematrixget

(PHP 5 >= 5.5.0, PHP 7)

imageaffinematrixgetGet an affine transformation matrix

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

Returns an affine transformation matrix.

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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.

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An affine transformation matrix (an array with keys 0 to 5 and float values) 锟斤拷锟斤拷锟斤拷失锟斤拷时锟斤拷锟斤拷 FALSE.

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Example #1 imageaffinematrixget() example

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

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

锟轿硷拷

  • imageaffine() - 锟斤拷锟截撅拷锟斤拷锟斤拷锟斤拷浠伙拷锟斤拷图锟今,硷拷锟斤拷锟斤拷锟斤拷锟窖�
  • imageaffinematrixconcat() - Concatenate two affine transformation matrices