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a simple dynamic concatenator for html, css, and js files, written in PHP

  • Copyright 2012, Scott Jehl, Filament Group, Inc.
  • Dual licensed under MIT and GPLv3

concat.php accepts 2 query strings:

    * files (required): a comma-separated list of root-relative file paths
    * wrap (optional): Enclose each result in an element node with url attribute? False by default.

Example CSS url:


Example JS url:


Example HTML url:


Example HTML url with wrapped entries:


Note that when wrap is passed, like above, each file will be wrapped in a entry element with a url attribute corresponding to the URL from which the content was included. For example:

<entry url="a.html">...content from file a here...</entry><entry url="b.html">...content from file b here...</entry><entry url="c.html">...content from file c here...</entry>

optional .htaccess ideas

To clean up your file paths, gzip output, and more, you might consider incorporating some server rewrites via Apache .htaccess or otherwise. Here's an example that allows for cleaner urls and zipped output:

# Cleaner URLs for quickconcat.php
# this allows for urls like this: "/path/to/file.html,path/to/fileb.html=concat"
# or wrapped, "/path/to/file.html,path/to/fileb.html=concat&wrap"
RewriteEngine On
RewriteRule ^([^\?]+)=concat(&wrap)?$ quickconcat.php?files=$1$2

# compress transfer
<IfModule mod_deflate.c>
AddOutputFilterByType DEFLATE text/html text/css text/javascript

With the above dropped into your .htaccess file, you can concatenate files like this: /path/to/file.html,path/to/fileb.html=concat or like this (if you want to add wrappers) /path/to/file.html,path/to/fileb.html=concat&wrap

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