(PHP 5 >= 5.5.0, PHP 7)
imageflip — Flips an image using a given mode
$image
, int $mode
)
Flips the image image using the given
mode.
imageimagecreatetruecolor() 등의 이미지 생성 함수에서 반환한 이미지 자원.
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. |
성공 시 TRUE를, 실패 시 FALSE를 반환합니다.
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);
?>
위 예제의 출력 예시:
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);
?>
위 예제의 출력 예시: