(PHP 4, PHP 5)
imagepng — Output a PNG image to either the browser or a file
Outputs or saves a PNG image from the given image .
imagecreatetruecolor() 등의 이미지 생성 함수에서 반환한 이미지 자원.
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.
Compression level: from 0 (no compression) to 9.
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.
성공할 경우 TRUE를, 실패할 경우 FALSE를 반환합니다.
| 버전 | 설명 |
|---|---|
| 5.1.3 | Added the filters parameter. |
| 5.1.2 | Added the quality parameter. |
<?php
$im = imagecreatefrompng("test.png");
header('Content-type: image/png');
imagepng($im);
imagedestroy($im);
?>