imageflip
imageflip
(PHP 5 >= 5.5.0, PHP 7)
imageflip — Flips an image using a given mode
Description
bool imageflip ( resource $image , int $mode )
Flips the image
image using the given mode
.
Parameters
-
image
-
An image resource, returned by one of the image creation functions, such as imagecreatetruecolor().
-
mode
-
Flip mode, this can be one of the
IMG_FLIP_*
constants:Constant Meaning IMG_FLIP_HORIZONTAL
Flips the image horizontally. IMG_FLIP_VERTICAL
Flips the image vertically. IMG_FLIP_BOTH
Flips the image both horizontally and vertically.
Return Values
Returns TRUE
on success or FALSE
on failure.
Examples
Example #1 Flips an image vertically
This example uses the IMG_FLIP_VERTICAL
constant.
<?php // File $filename = 'phplogo.png'; // Content type header('Content-type: image/png'); // Load $im = imagecreatefrompng($filename); // Flip it vertically imageflip($im, IMG_FLIP_VERTICAL); // Output imagejpeg($im); imagedestroy($im); ?>
The above example will output something similar to:
![Output of example: Vertically flipped image](https://secure.php.net/manual/en/images/21009b70229598c6a80eef8b45bf282b-imageflipvertical.png)
Example #2 Flips the image horizontally
This example uses the IMG_FLIP_HORIZONTAL
constant.
<?php // File $filename = 'phplogo.png'; // Content type header('Content-type: image/png'); // Load $im = imagecreatefrompng($filename); // Flip it horizontally imageflip($im, IMG_FLIP_HORIZONTAL); // Output imagejpeg($im); imagedestroy($im); ?>
The above example will output something similar to:
![Output of example: Horizontally flipped image](https://secure.php.net/manual/en/images/21009b70229598c6a80eef8b45bf282b-imagefliphorizontal.png)
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https://secure.php.net/manual/en/function.imageflip.php