(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 .
Zasób obrazu, zwrócony przez jedną z funkcji tworzących obrazy, taką jak imagecreatetruecolor().
The path to save the file to. If not set or NULL, the raw image stream will be outputted directly.
Informacja: 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.
Zwraca TRUE w przypadku powodzenia, FALSE w przypadku błędu.
Wersja | Opis |
---|---|
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);
?>