Function downloadAvatar

downloads a file from a url and stores it locally for avatar use by id_member. - supports GIF, JPG, PNG, BMP and WBMP formats. - detects if GD2 is available. - uses resizeImageFile() to resize to max_width by max_height, and saves the result to a file. - updates the database info for the member's avatar. - returns whether the download and resize was successful.

Package: SMF
Copyright: 2020 Simple Machines and individual contributors
License: BSD
Author: Simple Machines https://www.simplemachines.org
Located at Sources/Subs-Graphics.php

Parameters summary
`string`	`$url`	The full path to the temporary file
`integer`	`$memID`	The member ID
`integer`	`$max_width`	The maximum allowed width for the avatar
`integer`	`$max_height`	The maximum allowed height for the avatar

Return value summary
`boolean`	Whether the download and resize was successful.

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Function downloadAvatar