imagepng
(PHP 4, PHP 5)
imagepng — Output a PNG image to either the browser or a file
설명
bool imagepng
( resource $image
[, string $filename
[, int $quality
[, int $filters
]]] )
Outputs or saves a PNG image from the given image .
매개변수
- font
-
내장 글꼴 1, 2, 3, 4, 5(큰 숫자가 큰 글꼴)나 imageloadfont()로 등록한 글꼴 식별자를 사용할 수 있습니다.
- filename
-
The path to save the file to. If not set or NULL, the raw image stream will be outputted directly.
Note: NULL is invalid if the quality and filters arguments are not used.
- quality
-
Compression level: from 0 (no compression) to 9.
- filters
-
Allows reducing the PNG file size. It is a bitmask field which may be set to any combination of the PNG_FILTER_XXX constants. PNG_NO_FILTER or PNG_ALL_FILTERS may also be used to respectively disable or activate all filters.
반환값
성공할 경우 TRUE를, 실패할 경우 FALSE를 반환합니다.
변경 기록
| 버전 | 설명 |
|---|---|
| 5.1.3 | Added the filters parameter. |
| 5.1.2 | Added the quality parameter. |
예제
<?php
$im = imagecreatefrompng("test.png");
imagepng($im);
?>