Is there an easy way to limit to one (per post) the number of images to upload through media upload?
Restrict the number of images to upload per post
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Is there an easy way to limit to one (per post) the number of images to upload through media upload?
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I won’t go into the code specifics right now, because I am not sure if you need me to. You essentially need to modify the
SWFUploadJavaScript settings array to set thefile_upload_limitto1. Unfortunately I don’t believe SWFUpload allows you to change that settings variable after it has beeninited, because it has already launched the Flash embed with the settings.So, you would have to hook into the
flash_uploaderfilter to disable it setting up the “normal” Flash uploader, then hook into thepre-upload-uiaction and set up the Flash uploader using the same variables as WordPress does, but att thefile_upload_limitsetting. (Look at Line 1446 ofmedia.phpto see what I mean).If you did it that way, you would also have to disable the HTML upload form so user’s can use that to bypass the Flash uploader.
Instead, you could (easier, but maybe not so usable to the user) hook into
load-async-upload.phpaction (see Line 202 ofadmin.php) to reject the upload request if the current user had already uploaded an image for the given post. That would require the user selecting the image in the Flash Uploader, then it throwing an error once it has uploaded saying “You can not upload another file”