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Full Discussion: Add text to image files
Top Forums Shell Programming and Scripting Add text to image files Post 302462412 by frans on Thursday 14th of October 2010 07:05:54 AM
Old 10-14-2010
To be visible on image, take a look at imagemagick
You can otherwise put data in exif fields of a jpeg image; see jhead
 

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IMAGECREATEFROMWEBP(3)							 1						    IMAGECREATEFROMWEBP(3)

imagecreatefromwebp - Create a new image from file or URL

SYNOPSIS
resource imagecreatefromwebp (string $filename) DESCRIPTION
imagecreatefromwebp(3) returns an image identifier representing the image obtained from the given filename. Tip A URL can be used as a filename with this function if the fopen wrappers have been enabled. See fopen(3) for more details on how to specify the filename. See the "Supported Protocols and Wrappers" for links to information about what abilities the various wrappers have, notes on their usage, and information on any predefined variables they may provide. PARAMETERS
o $filename - Path to the WebP image. RETURN VALUES
Returns an image resource identifier on success, FALSE on errors. EXAMPLES
Example #1 Convert an WebP image to a jpeg image using imagecreatefromwebp(3) <?php // Load the WebP file $im = imagecreatefromwebp('./example.webp'); // Convert it to a jpeg file with 100% quality imagejpeg($im, './example.jpeg', 100); imagedestroy($im); ?> PHP Documentation Group IMAGECREATEFROMWEBP(3)
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