imageflip
Flips an image using a given mode
Description
bool imageflip(GdImage $image
, int $mode
)
Parameters
-
image
-
A GdImage object, returned by one of the image creation functions,
such as imagecreatetruecolor.
-
mode
-
Flip mode, this can be one of the IMG_FLIP_*
constants:
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:
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: