public function minify()
{
foreach ($this->scripts as $script) {
if (preg_match('#^INLINE;#', $script)) {
//Inline script
$script = preg_replace('#^INLINE;#', '', $script);
$script = rtrim($script, ";\n\t\r") . ';';
//Add try-catch?
if ($this->trycatch) {
$script = 'try{' . $script . '}catch(e){}';
}
$tmpscript = apply_filters('autoptimize_js_individual_script', $script, "");
if (has_filter('autoptimize_js_individual_script') && !empty($tmpscript)) {
$script = $tmpscript;
$this->alreadyminified = true;
}
$this->jscode .= "\n" . $script;
} else {
//External script
if ($script !== false && file_exists($script) && is_readable($script)) {
$scriptsrc = file_get_contents($script);
$scriptsrc = preg_replace('/\\x{EF}\\x{BB}\\x{BF}/', '', $scriptsrc);
$scriptsrc = rtrim($scriptsrc, ";\n\t\r") . ';';
//Add try-catch?
if ($this->trycatch) {
$scriptsrc = 'try{' . $scriptsrc . '}catch(e){}';
}
$tmpscriptsrc = apply_filters('autoptimize_js_individual_script', $scriptsrc, $script);
if (has_filter('autoptimize_js_individual_script') && !empty($tmpscriptsrc)) {
$scriptsrc = $tmpscriptsrc;
$this->alreadyminified = true;
} else {
if (strpos($script, "min.js") !== false && $this->inject_min_late === true) {
$scriptsrc = "%%INJECTLATER%%" . base64_encode($script) . "|" . md5($scriptsrc) . "%%INJECTLATER%%";
}
}
$this->jscode .= "\n" . $scriptsrc;
}
/*else{
//Couldn't read JS. Maybe getpath isn't working?
}*/
}
}
//Check for already-minified code
$this->md5hash = md5($this->jscode);
$ccheck = new autoptimizeCache($this->md5hash, 'js');
if ($ccheck->check()) {
$this->jscode = $ccheck->retrieve();
return true;
}
unset($ccheck);
//$this->jscode has all the uncompressed code now.
if ($this->alreadyminified !== true) {
if (class_exists('JSMin') && apply_filters('autoptimize_js_do_minify', true)) {
if (@is_callable(array("JSMin", "minify"))) {
$tmp_jscode = trim(JSMin::minify($this->jscode));
if (!empty($tmp_jscode)) {
$this->jscode = $tmp_jscode;
unset($tmp_jscode);
}
$this->jscode = $this->inject_minified($this->jscode);
$this->jscode = apply_filters('autoptimize_js_after_minify', $this->jscode);
return true;
} else {
$this->jscode = $this->inject_minified($this->jscode);
return false;
}
} else {
$this->jscode = $this->inject_minified($this->jscode);
return false;
}
}
return true;
}
public function getcontent()
{
// restore IE hacks
$this->content = $this->restore_iehacks($this->content);
// restore comments
$this->content = $this->restore_comments($this->content);
// restore noscript
if (strpos($this->content, '%%NOSCRIPT%%') !== false) {
$this->content = preg_replace_callback('#%%NOSCRIPT%%(.*?)%%NOSCRIPT%%#is', create_function('$matches', 'return stripslashes(base64_decode($matches[1]));'), $this->content);
}
// restore noptimize
$this->content = $this->restore_noptimize($this->content);
//Restore the full content
if (!empty($this->restofcontent)) {
$this->content .= $this->restofcontent;
$this->restofcontent = '';
}
// Inject the new stylesheets
$replaceTag = array("<title", "before");
$replaceTag = apply_filters('autoptimize_filter_css_replacetag', $replaceTag);
if ($this->inline == true) {
foreach ($this->csscode as $media => $code) {
$this->inject_in_html('<style type="text/css" media="' . $media . '">' . $code . '</style>', $replaceTag);
}
} else {
if ($this->defer == true) {
$deferredCssBlock = "<script>function lCss(url,media) {var d=document;var l=d.createElement('link');l.rel='stylesheet';l.type='text/css';l.href=url;l.media=media; d.getElementsByTagName('head')[0].appendChild(l);}function deferredCSS() {";
$noScriptCssBlock = "<noscript>";
$defer_inline_code = $this->defer_inline;
$defer_inline_code = apply_filters('autoptimize_filter_css_defer_inline', $defer_inline_code);
if (!empty($defer_inline_code)) {
$iCssHash = md5($defer_inline_code);
$iCssCache = new autoptimizeCache($iCssHash, 'css');
if ($iCssCache->check()) {
// we have the optimized inline CSS in cache
$defer_inline_code = $iCssCache->retrieve();
} else {
if (class_exists('Minify_CSS_Compressor')) {
$tmp_code = trim(Minify_CSS_Compressor::process($this->defer_inline));
} else {
if (class_exists('CSSmin')) {
$cssmin = new CSSmin();
$tmp_code = trim($cssmin->run($defer_inline_code));
}
}
if (!empty($tmp_code)) {
$defer_inline_code = $tmp_code;
$iCssCache->cache($defer_inline_code, "text/css");
unset($tmp_code);
}
}
$code_out = '<style type="text/css" media="all">' . $defer_inline_code . '</style>';
$this->inject_in_html($code_out, $replaceTag);
}
}
foreach ($this->url as $media => $url) {
$url = $this->url_replace_cdn($url);
//Add the stylesheet either deferred (import at bottom) or normal links in head
if ($this->defer == true) {
$deferredCssBlock .= "lCss('" . $url . "','" . $media . "');";
$noScriptCssBlock .= '<link type="text/css" media="' . $media . '" href="' . $url . '" rel="stylesheet" />';
} else {
$this->inject_in_html('<link type="text/css" media="' . $media . '" href="' . $url . '" rel="stylesheet" />', $replaceTag);
}
}
if ($this->defer == true) {
$deferredCssBlock .= "}if(window.addEventListener){window.addEventListener('DOMContentLoaded',deferredCSS,false);}else{window.onload = deferredCSS;}</script>";
$noScriptCssBlock .= "</noscript>";
$this->inject_in_html($noScriptCssBlock, array('<title>', 'before'));
$this->inject_in_html($deferredCssBlock, array('</body>', 'before'));
}
}
//Return the modified stylesheet
return $this->content;
}
public function minify()
{
foreach ($this->scripts as $script) {
if (preg_match('#^INLINE;#', $script)) {
//Inline script
$script = preg_replace('#^INLINE;#', '', $script);
$script = rtrim($script, ";\n\t\r") . ';';
//Add try-catch?
if ($this->trycatch) {
$script = 'try{' . $script . '}catch(e){}';
}
$this->jscode .= "\n" . $script;
} else {
//External script
if ($script !== false && file_exists($script) && is_readable($script)) {
$script = file_get_contents($script);
$script = preg_replace('/\\x{EF}\\x{BB}\\x{BF}/', '', $script);
$script = rtrim($script, ";\n\t\r") . ';';
//Add try-catch?
if ($this->trycatch) {
$script = 'try{' . $script . '}catch(e){}';
}
$this->jscode .= "\n" . $script;
}
/*else{
//Couldn't read JS. Maybe getpath isn't working?
}*/
}
}
//Check for already-minified code
$this->md5hash = md5($this->jscode);
$ccheck = new autoptimizeCache($this->md5hash, 'js');
if ($ccheck->check()) {
$this->jscode = $ccheck->retrieve();
return true;
}
unset($ccheck);
//$this->jscode has all the uncompressed code now.
if (class_exists('JSMin') && apply_filters('autoptimize_js_do_minify', true)) {
if (@is_callable(array(new JSMin(), "minify"))) {
$tmp_jscode = trim(JSMin::minify($this->jscode));
if (!empty($tmp_jscode)) {
$this->jscode = $tmp_jscode;
unset($tmp_jscode);
}
return true;
} else {
return false;
}
} else {
return false;
}
}
public function minify()
{
foreach ($this->css as $group) {
list($media, $css) = $group;
if (preg_match('#^INLINE;#', $css)) {
//<style>
$css = preg_replace('#^INLINE;#', '', $css);
$css = $this->fixurls(ABSPATH . '/index.php', $css);
} else {
//<link>
if ($css !== false && file_exists($css) && is_readable($css)) {
$css = $this->fixurls($css, file_get_contents($css));
} else {
//Couldn't read CSS. Maybe getpath isn't working?
$css = '';
}
}
foreach ($media as $elem) {
if (!isset($this->csscode[$elem])) {
$this->csscode[$elem] = '';
}
$this->csscode[$elem] .= "\n/*FILESTART*/" . $css;
}
}
//Check for duplicate code
$md5list = array();
$tmpcss = $this->csscode;
foreach ($tmpcss as $media => $code) {
$md5sum = md5($code);
$medianame = $media;
foreach ($md5list as $med => $sum) {
//If same code
if ($sum === $md5sum) {
//Add the merged code
$medianame = $med . ', ' . $media;
$this->csscode[$medianame] = $code;
$md5list[$medianame] = $md5list[$med];
unset($this->csscode[$med], $this->csscode[$media]);
unset($md5list[$med]);
}
}
$md5list[$medianame] = $md5sum;
}
unset($tmpcss);
//Manage @imports, while is for recursive import management
foreach ($this->csscode as &$thiscss) {
//Flag to trigger import reconstitution
$fiximports = false;
while (preg_match_all('#@import.*(?:;|$)#Um', $thiscss, $matches)) {
foreach ($matches[0] as $import) {
$url = trim(preg_replace('#^.*((?:https?|ftp)://.*\\.css).*$#', '$1', $import), " \t\n\r\v\"'");
$path = $this->getpath($url);
if (file_exists($path) && is_readable($path)) {
$code = addcslashes($this->fixurls($path, file_get_contents($path)), "\\");
$thiscss = preg_replace('#(/\\*FILESTART\\*/.*)' . preg_quote($import, '#') . '#Us', '/*FILESTART2*/' . $code . '$1', $thiscss);
} else {
//getpath is not working?
//Encode so preg_match doesn't see it
$thiscss = str_replace($import, '/*IMPORT*/' . base64_encode($import) . '/*IMPORT*/', $thiscss);
$fiximports = true;
}
}
$thiscss = preg_replace('#/\\*FILESTART\\*/#', '', $thiscss);
$thiscss = preg_replace('#/\\*FILESTART2\\*/#', '/*FILESTART*/', $thiscss);
}
//Recover imports
if ($fiximports) {
$thiscss = preg_replace('#/\\*IMPORT\\*/(.*)/\\*IMPORT\\*/#Use', 'base64_decode("$1")', $thiscss);
}
}
unset($thiscss);
//$this->csscode has all the uncompressed code now.
$mhtmlcount = 0;
foreach ($this->csscode as &$code) {
//Check for already-minified code
$hash = md5($code);
$ccheck = new autoptimizeCache($hash, 'css');
if ($ccheck->check()) {
$code = $ccheck->retrieve();
$this->hashmap[md5($code)] = $hash;
continue;
}
unset($ccheck);
$imgreplace = array();
//Do the imaging!
if ($this->datauris == true && function_exists('base64_encode') && preg_match_all('#(background[^;}]*url\\((?!data)(.*)\\)[^;}]*)(?:;|$|})#Usm', $code, $matches)) {
foreach ($matches[2] as $count => $quotedurl) {
$url = trim($quotedurl, " \t\n\r\v\"'");
// fgo: if querystring, remove it from url
if (strpos($url, '?') !== false) {
$url = reset(explode('?', $url));
}
$path = $this->getpath($url);
// fgo: jpe?j should be jpe?g I guess + 5KB seems like a lot, lower to 2.5KB
if ($path != false && preg_match('#\\.(jpe?g|png|gif|bmp)$#', $path) && file_exists($path) && is_readable($path) && filesize($path) <= 2560) {
//It's an image
//Get type
$type = end(explode('.', $path));
switch ($type) {
// fgo: jpeg and jpg
case 'jpeg':
$dataurihead = 'data:image/jpeg;base64,';
break;
case 'jpg':
$dataurihead = 'data:image/jpeg;base64,';
break;
case 'gif':
$dataurihead = 'data:image/gif;base64,';
break;
case 'png':
$dataurihead = 'data:image/png;base64,';
break;
case 'bmp':
$dataurihead = 'data:image/bmp;base64,';
break;
default:
$dataurihead = 'data:application/octet-stream;base64,';
}
//Encode the data
$base64data = base64_encode(file_get_contents($path));
//Add it to the list for replacement
$imgreplace[$matches[1][$count]] = str_replace($quotedurl, $dataurihead . $base64data, $matches[1][$count]) . ";\n*" . str_replace($quotedurl, 'mhtml:%%MHTML%%!' . $mhtmlcount, $matches[1][$count]) . ";\n_" . $matches[1][$count] . ';';
//Store image on the mhtml document
$this->mhtml .= "--_\r\nContent-Location:{$mhtmlcount}\r\nContent-Transfer-Encoding:base64\r\n\r\n{$base64data}\r\n";
$mhtmlcount++;
}
}
//Replace the images
$code = str_replace(array_keys($imgreplace), array_values($imgreplace), $code);
}
//Minify
if ($this->yui == false && class_exists('Minify_CSS_Compressor')) {
$code = trim(Minify_CSS_Compressor::process($code));
} elseif ($this->yui == true && autoptimizeYUI::available()) {
$code = autoptimizeYUI::compress('css', $code);
}
$this->hashmap[md5($code)] = $hash;
}
unset($code);
return true;
}
public function minify()
{
foreach ($this->scripts as $script) {
if (preg_match('#^INLINE;#', $script)) {
//Inline script
$script = preg_replace('#^INLINE;#', '', $script);
//Add try-catch?
if ($this->trycatch) {
$script = 'try{' . $script . '}catch(e){}';
}
$this->jscode .= "\n" . $script;
} else {
//External script
if ($script !== false && file_exists($script) && is_readable($script)) {
$script = file_get_contents($script);
//Add try-catch?
if ($this->trycatch) {
$script = 'try{' . $script . '}catch(e){}';
}
$this->jscode .= "\n" . $script;
}
/*else{
//Couldn't read JS. Maybe getpath isn't working?
}*/
}
}
//Check for already-minified code
$this->md5hash = md5($this->jscode);
$ccheck = new autoptimizeCache($this->md5hash, 'js');
if ($ccheck->check()) {
$this->jscode = $ccheck->retrieve();
return true;
}
unset($ccheck);
//$this->jscode has all the uncompressed code now.
if ($this->yui == false && class_exists('JSMin')) {
$this->jscode = trim(JSMin::minify($this->jscode));
return true;
} elseif ($this->yui == true && autoptimizeYUI::available()) {
$this->jscode = autoptimizeYUI::compress('js', $this->jscode);
return true;
} else {
return false;
}
}