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imagegd
(PHP 4 >= 4.0.7, PHP 5, PHP 7)
imagegd — Output GD image to browser or file
Description
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.
However, if libgd fails to output the image, this function returns TRUE.
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.
English translation
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Document created the 30/01/2003, last modified the 26/10/2018
Source of the printed document:https://www.gaudry.be/en/php-rf-function.imagegd.html
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References
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