imagegd

imagegd

(PHP 4 >= 4.0.7, PHP 5, PHP 7)

imagegdOutput GD image to browser or file

Description

bool imagegd ( resource $image [, mixed $to = NULL ] )

Outputs a GD image to the given to.

Parameters

image

An image resource, returned by one of the image creation functions, such as imagecreatetruecolor().

to

The path or an open stream resource (which is automatically being closed after this function returns) to save the file to. If not set or NULL, the raw image stream will be outputted directly.

Return Values

Returns TRUE on success or FALSE on failure.

Changelog

Version Description
7.2.0 imagegd() now allows to output truecolor images. Formerly, these have been implicitly converted to palette.
5.4.0 Added support for passing a stream resource to to.

Examples

Example #1 Outputting a GD image

<?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,  "A Simple Text String", $text_color);

// Output the image
imagegd($im);

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

Example #2 Saving a GD image

<?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,  "A Simple Text String", $text_color);

// Save the gd image
// The file format for GD images is .gd, see http://www.libgd.org/GdFileFormats
imagegd($im, 'simple.gd');

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

Notes

Note:

The GD format is commonly used to allow fast loading of parts of images. Note that the GD format is only usable in GD-compatible applications.

See Also

  • imagegd2() - Output GD2 image to browser or file

© 1997–2017 The PHP Documentation Group
Licensed under the Creative Commons Attribution License v3.0 or later.
https://secure.php.net/manual/en/function.imagegd.php

在线笔记
App下载
App下载

扫描二维码

下载编程狮App

公众号
微信公众号

编程狮公众号

意见反馈
返回顶部