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imageflip

PHP function Edit on GitHub ✎

(PHP 5 >= 5.5.0, PHP 7, PHP 8)

Flips an image using a given mode

Description

imageflip(GdImage $image, int $mode): true

Flips the image image using the given mode.

Parameters

mode

Flip mode, this can be one of the IMG_FLIP_* constants:

ConstantMeaning
IMG_FLIP_HORIZONTALFlips the image horizontally.
IMG_FLIP_VERTICALFlips the image vertically.
IMG_FLIP_BOTHFlips the image both horizontally and vertically.

Return Values

Always

Changelog

VersionDescription

Examples

Flips an image vertically

This example uses the IMG_FLIP_VERTICAL constant.

php
<?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);
?>

The above example will output something similar to: Output of example: Vertically flipped image

Flips the image horizontally

This example uses the IMG_FLIP_HORIZONTAL constant.

php
<?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);
?>

The above example will output something similar to: Output of example: Horizontally flipped image

Source: reference/image/functions/imageflip.xml · from the official PHP manual (php/doc-en)