imagebmp()

(PHP 7 >= 7.2.0)

Output a BMP image to browser or file

说明

imagebmp(resource $image[,mixed $to= 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。
$to: 文件保存的路径，如果未设置或为NULL，将会直接输出原始图象流。
Note:
NULL is invalid if the$compressedarguments 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。

Caution

However, if libgd fails to output the image, this function returns TRUE.

范例

Saving a BMP file

<?php
// Create a blank image and add some text
$im = imagecreatetruecolor(120, 20);
$text_color = imagecolorallocate($im, 233, 14, 91);
imagestring($im, 1, 5, 5,  'BMP with PHP', $text_color);
// Save the image
imagebmp($im, 'php.bmp');
// Free up memory
imagedestroy($im);
?>