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<?php
/**
* Utility functions for generating URIs in HTML files
*
* @warning These functions execute min/groupsConfig.php, sometimes multiple times.
* You must make sure that functions are not redefined, and if your use custom sources,
* you must require_once __DIR__ . '/lib/Minify/Source.php' so that
* class is available.
*
* @package Minify
*/
require __DIR__ . '/bootstrap.php';
/*
* Get an HTML-escaped Minify URI for a group or set of files. By default, URIs
* will contain timestamps to allow far-future Expires headers.
*
* <code>
* <link rel="stylesheet" type="text/css" href="<?= Minify_getUri('css'); ?>" />
* <script src="<?= Minify_getUri('js'); ?>"></script>
* <script src="<?= Minify_getUri(array(
* '//scripts/file1.js'
* ,'//scripts/file2.js'
* )); ?>"></script>
* </code>
*
* @param mixed $keyOrFiles a group key or array of file paths/URIs
* @param array $opts options:
* 'farExpires' : (default true) append a modified timestamp for cache revving
* 'debug' : (default false) append debug flag
* 'charset' : (default 'UTF-8') for htmlspecialchars
* 'minAppUri' : (default '/min') URI of min directory
* 'rewriteWorks' : (default true) does mod_rewrite work in min app?
* 'groupsConfigFile' : specify if different
* @return string
*/
function Minify_getUri($keyOrFiles, $opts = array())
{
return Minify_HTML_Helper::getUri($keyOrFiles, $opts);
}
/**
* Get the last modification time of several source js/css files. If you're
* caching the output of Minify_getUri(), you might want to know if one of the
* dependent source files has changed so you can update the HTML.
*
* Since this makes a bunch of stat() calls, you might not want to check this
* on every request.
*
* @param array $keysAndFiles group keys and/or file paths/URIs.
* @return int latest modification time of all given keys/files
*/
function Minify_mtime($keysAndFiles, $groupsConfigFile = null)
{
$gc = null;
if (! $groupsConfigFile) {
$groupsConfigFile = Minify_HTML_Helper::app()->groupsConfigPath;
}
$sources = array();
foreach ($keysAndFiles as $keyOrFile) {
if (is_object($keyOrFile)
|| 0 === strpos($keyOrFile, '/')
|| 1 === strpos($keyOrFile, ':\\')) {
// a file/source obj
$sources[] = $keyOrFile;
} else {
if (! $gc) {
$gc = (require $groupsConfigFile);
}
foreach ($gc[$keyOrFile] as $source) {
$sources[] = $source;
}
}
}
return Minify_HTML_Helper::getLastModified($sources);
}
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