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@zmsaunders
Last active August 7, 2022 10:54
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HTML Output Minification in laravel 4
<?php
### --- Snip --- ###
App::after(function($request, $response)
{
// HTML Minification
if(App::Environment() != 'local')
{
if($response instanceof Illuminate\Http\Response)
{
$output = $response->getOriginalContent();
// Clean comments
$output = preg_replace('/<!--([^\[|(<!)].*)/', '', $output);
$output = preg_replace('/(?<!\S)\/\/\s*[^\r\n]*/', '', $output);
// Clean Whitespace
$output = preg_replace('/\s{2,}/', '', $output);
$output = preg_replace('/(\r?\n)/', '', $output);
$response->setContent($output);
}
}
});
### --- Snip --- ###
@garagesocial
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Thanks for this Zach. We restructured it a bit on our fork https://gist.github.com/garagesocial/6059962

Also note the first filter /<!--([^\[|(<!)].*)/ breaks when using the HTML5 Boilerplate it will suck up line <!--[if gt IE 8]><!--> <html class="no-js"> <!--<![endif]--> @ https://github.com/h5bp/html5-boilerplate/blob/master/index.html#L5

@zmsaunders
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Nice, I like the cleaned up version. I had a feeling that comment cleaning would come back to bite me at some point with IE's conditional Comments. I'll have to play around with it a bit and see if I can get it to behave.

@ajmcagadas
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Thanks @zach && @garagesocial, I added a substitute for HTML comment filter to exclude the IE conditions. https://gist.github.com/paparts/9113258

@viniciusmr3
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Well done @zmsaunders! It helped a lot! Cheers!

@miguelbalboa
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Verify that the response header is text/html, to avoid problems when returning an image for example.
https://gist.github.com/miguelbalboa/9224ecc1daeadff5ab49

@morilog
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morilog commented Dec 9, 2014

minifying only text/html output

// HTML Minification
    if(App::Environment() != 'local')
    {
        if($response instanceof Illuminate\Http\Response)
        {
            $output = $response->getOriginalContent();
            if($response->headers->get('content-type') == 'text/html; charset=UTF-8')
            {
                // Clean comments
                $output = preg_replace('/<!--([^\[|(<!)].*)/', '', $output);
                $output = preg_replace('/(?<!\S)\/\/\s*[^\r\n]*/', '', $output);
                // Clean Whitespace
                $output = preg_replace('/\s{2,}/', '', $output);
                $output = preg_replace('/(\r?\n)/', '', $output);
                $response->setContent($output);
            }
        }
    }

@rafelsanso
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This code has an important error. Run the full content of the page twice. The first to generate the page, and the second to go through the :: after. That doubles the load times. I think it's worse than spending the HTML uncompressed. You can do the test by putting a log on a page and see that the refresh the log is printed twice.

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