imagebmp

(PHP 7 >= 7.2.0, PHP 8)

imagebmpOutput a BMP image to browser or file

说明

imagebmp(GdImage $image, resource|string|null $file = null, bool $compressed = true): bool

Outputs or saves a BMP version of the given image.

参数

image

由图象创建函数(例如imagecreatetruecolor())返回的图象资源。

file

文件保存的路径,如果未设置或为 null,将会直接输出原始图象流。

注意:

null is invalid if the compressed arguments is not used.

compressed

Whether the BMP should be compressed with run-length encoding (RLE), or not.

返回值

成功时返回 true, 或者在失败时返回 false

警告

如果 libgd 输出图像失败,函数会返回 true

更新日志

版本 说明
8.0.0 image expects a GdImage instance now; previously, a resource was expected.
8.0.0 The type of compressed is bool now; formerly it was int.

范例

示例 #1 Saving a BMP file

<?php
// Create a blank image and add some text
$im imagecreatetruecolor(12020);
$text_color imagecolorallocate($im2331491);

imagestring($im155,  'BMP with PHP'$text_color);

// Save the image
imagebmp($im'php.bmp');

// Free up memory
imagedestroy($im);
?>