(PHP 5 >= 5.5.0, PHP 7)
Flips an image using a given mode
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. |
Returns:
Returns TRUE on success or FALSE on failure.
Notes:
This function is only available if PHP is compiled with the bundled version of the GD library.
Examples:
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:
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:
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