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Minify CSS and JS

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KingOfDog 2018-11-01 11:19:02 +01:00 committed by Marcel
parent c07b714a0d
commit f168cf6863
1 changed files with 234 additions and 231 deletions
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73
combine.php
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@ -1,11 +1,11 @@
<?php
$cache = true;
$cachedir = dirname(__FILE__) . '/assets/cache';
$cssdir = dirname(__FILE__) . '/assets/css';
$jsdir = dirname(__FILE__) . '/assets/js';
$cache = true;
$cachedir = dirname(__FILE__) . '/assets/cache';
$cssdir = dirname(__FILE__) . '/assets/css';
$jsdir = dirname(__FILE__) . '/assets/js';
// Determine the directory and type we should use
switch ($_GET['type']) {
switch ($_GET['type']) {
case 'css':
$base = realpath($cssdir);
break;
@ -15,14 +15,14 @@ switch ($_GET['type']) {
default:
header("HTTP/1.0 503 Not Implemented");
exit;
};
};
$type = $_GET['type'];
$elements = explode(',', $_GET['files']);
$type = $_GET['type'];
$elements = explode(',', $_GET['files']);
// Determine last modification date of the files
$lastmodified = 0;
while (list(, $element) = each($elements)) {
$lastmodified = 0;
while (list(, $element) = each($elements)) {
$path = realpath($base . '/' . $element);
if (($type == 'javascript' && substr($path, -3) != '.js') ||
@ -37,18 +37,18 @@ while (list(, $element) = each($elements)) {
}
$lastmodified = max($lastmodified, filemtime($path));
}
}
// Send Etag hash
$hash = $lastmodified . '-' . md5($_GET['files']);
header("Etag: \"" . $hash . "\"");
$hash = $lastmodified . '-' . md5($_GET['files']);
header("Etag: \"" . $hash . "\"");
if (isset($_SERVER['HTTP_IF_NONE_MATCH']) &&
if (isset($_SERVER['HTTP_IF_NONE_MATCH']) &&
stripslashes($_SERVER['HTTP_IF_NONE_MATCH']) == '"' . $hash . '"') {
// Return visit and no modifications, so do not send anything
header("HTTP/1.0 304 Not Modified");
header('Content-Length: 0');
} else {
} else {
// First time visit or files were modified
if ($cache) {
// Determine supported compression method
@ -96,6 +96,9 @@ if (isset($_SERVER['HTTP_IF_NONE_MATCH']) &&
while (list(, $element) = each($elements)) {
$path = realpath($base . '/' . $element);
$contents .= "\n\n" . file_get_contents($path);
$contents = preg_replace('!/\*[^*]*\*+([^/][^*]*\*+)*/!', '', $contents);
$contents = str_replace(': ', ':', $contents);
$contents = str_replace(array("\r\n", "\r", "\n", "\t", ' ', ' ', ' '), '', $contents);
// $contents = fn_minify_css($contents);
}
@ -122,33 +125,33 @@ if (isset($_SERVER['HTTP_IF_NONE_MATCH']) &&
fclose($fp);
}
}
}
}
define('MINIFY_STRING', '"(?:[^"\\\]|\\\.)*"|\'(?:[^\'\\\]|\\\.)*\'');
define('MINIFY_COMMENT_CSS', '/\*[\s\S]*?\*/');
define('MINIFY_COMMENT_HTML', '<!\-{2}[\s\S]*?\-{2}>');
define('X', "\x1A");
define('MINIFY_STRING', '"(?:[^"\\\]|\\\.)*"|\'(?:[^\'\\\]|\\\.)*\'');
define('MINIFY_COMMENT_CSS', '/\*[\s\S]*?\*/');
define('MINIFY_COMMENT_HTML', '<!\-{2}[\s\S]*?\-{2}>');
define('X', "\x1A");
function n($s)
{
function n($s)
{
return str_replace(["\r\n", "\r"], "\n", $s);
}
}
function t($a, $b)
{
function t($a, $b)
{
if ($a && strpos($a, $b) === 0 && substr($a, -strlen($b)) === $b) {
return substr(substr($a, strlen($b)), 0, -strlen($b));
}
return $a;
}
}
function fn_minify($pattern, $input)
{
function fn_minify($pattern, $input)
{
return preg_split('#(' . implode('|', $pattern) . ')#', $input, -1, PREG_SPLIT_NO_EMPTY | PREG_SPLIT_DELIM_CAPTURE);
}
}
function fn_minify_css($input, $comment = 2, $quote = 2)
{
function fn_minify_css($input, $comment = 2, $quote = 2)
{
if (!is_string($input) || !$input = n(trim($input))) return $input;
$output = $prev = "";
foreach (fn_minify([MINIFY_COMMENT_CSS, MINIFY_STRING], $input) as $part) {
@ -188,10 +191,10 @@ function fn_minify_css($input, $comment = 2, $quote = 2)
$prev = $part;
}
return trim($output);
}
}
function fn_minify_css_union($input)
{
function fn_minify_css_union($input)
{
if (stripos($input, 'calc(') !== false) {
// Keep important white–space(s) in `calc()`
$input = preg_replace_callback('#\b(calc\()\s*(.*?)\s*\)#i', function ($m) {
@ -250,4 +253,4 @@ function fn_minify_css_union($input)
' '
], $input);
return trim(str_replace(X, ' ', $input));
}
}