Apache: Default image if image is not found

The users uploaded images from my web site are kept in a separate folder. The problem is that the folder gets sometimes unsynced between the staging and the production server.

Therefore, i wanted to display a default (‘image not found’) image when one image is not found.

The sollution is NOT the ‘.httaccess’ file in that folder, but writing a mod_rewrite rule. The -f parameter means ‘if file exists’.

# When the image is not found, a default image is served
RewriteCond %{REQUEST_FILENAME} !-f
RewriteRule ^/image_assets/(.*)(avatar|large|medium|thumbnail)(.{1,5})$ /var/mtc/default_images/$2.jpg

As you can see,  i have 4 types of images (and 4 default images, each with its own resolution).

You can test your regular expression here: http://jakarta.apache.org/regexp/applet.html.

P.S. : Do not forget to enable mod_rewrite 😉

RewriteEngine On

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