function booster_wp()
{
// Dump output buffer
if ($out = ob_get_contents()) {
// Check for right PHP version
if (strnatcmp(phpversion(), '5.0.0') >= 0) {
$booster_cache_dir = BOOSTER_CACHE_DIR;
$js_plain = '';
$booster_out = '';
$booster_folder = explode('/', rtrim(str_replace('\\', '/', realpath(dirname(__FILE__))), '/'));
$booster_folder = $booster_folder[count($booster_folder) - 1];
$booster = new Booster();
if (!is_dir($booster_cache_dir)) {
@mkdir($booster_cache_dir, 0777);
@chmod($booster_cache_dir, 0777);
}
if (is_dir($booster_cache_dir) && is_writable($booster_cache_dir) && substr(decoct(fileperms($booster_cache_dir)), 1) == "0777") {
$booster_cache_reldir = $booster->getpath(str_replace('\\', '/', realpath($booster_cache_dir)), str_replace('\\', '/', dirname(__FILE__)));
} else {
$booster_cache_dir = rtrim(str_replace('\\', '/', dirname(__FILE__)), '/') . '/../../booster_cache';
$booster_cache_reldir = '../../booster_cache';
}
$booster->booster_cachedir = $booster_cache_reldir;
$booster->js_minify = FALSE;
// Calculate relative path from root to Booster directory
$root_to_booster_path = $booster->getpath(str_replace('\\', '/', dirname(__FILE__)), str_replace('\\', '/', dirname(realpath(ABSPATH))));
if (preg_match_all('/<head.*<\\/head>/ims', $out, $headtreffer, PREG_PATTERN_ORDER) > 0) {
// Prevent processing of conditional comments
$headtreffer[0][0] = preg_replace('/<!--\\[if.+?endif\\]-->/ims', '', $headtreffer[0][0]);
// CSS part
$css_rel_files = array();
// Start width inline-files
preg_match_all('/<style[^>]*>(.*?)<\\/style>/ims', $headtreffer[0][0], $treffer, PREG_PATTERN_ORDER);
for ($i = 0; $i < count($treffer[0]); $i++) {
// Get media-type
if (preg_match('/media=[\'"]*([^\'"]+)[\'"]*/ims', $treffer[0][$i], $mediatreffer)) {
$media = preg_replace('/[^a-z]+/i', '', $mediatreffer[1]);
if (trim($media) == '') {
$media = 'all';
}
} else {
$media = 'all';
}
// Save plain CSS to file to keep everything in line
$filename = $booster_cache_dir . '/' . md5($treffer[1][$i]) . '_plain.css';
if (!file_exists($filename)) {
file_put_contents($filename, $treffer[1][$i]);
}
if (file_exists($filename)) {
@chmod($filename, 0777);
// Calculate relative path from Booster to file
$booster_to_file_path = $booster->getpath($booster_cache_dir . '/', str_replace('\\', '/', dirname(realpath(__FILE__))) . '/');
$linkhref = get_option('siteurl') . '/wp-content/plugins/' . $booster_folder . '/' . $booster_to_file_path . '/' . basename($filename);
$booster_cache_dir = $booster_cache_dir;
$linkcode = '<!-- Moved to file by Booster ' . $treffer[0][$i] . ' --><link rel="stylesheet" media="' . $media . '" href="' . $linkhref . '" />';
$headtreffer[0][0] = str_replace($treffer[0][$i], $linkcode, $headtreffer[0][0]);
$out = str_replace($treffer[0][$i], $linkcode, $out);
} else {
$linkcode = '<!-- Failed to move inline-style to file ' . $filename . ' by Booster -->' . $treffer[0][$i];
$headtreffer[0][0] = str_replace($treffer[0][$i], $linkcode, $headtreffer[0][0]);
$out = str_replace($treffer[0][$i], $linkcode, $out);
}
}
// Continue with external files
preg_match_all('/<link[^>]*?href=[\'"]*?([^\'"]+?\\.css)[\'"]*?[^>]*?>/ims', $headtreffer[0][0], $treffer, PREG_PATTERN_ORDER);
for ($i = 0; $i < count($treffer[0]); $i++) {
// Get media-type
if (preg_match('/media=[\'"]*([^\'"]+)[\'"]*/ims', $treffer[0][$i], $mediatreffer)) {
$media = preg_replace('/[^a-z]+/i', '', $mediatreffer[1]);
if (trim($media) == '') {
$media = 'all';
}
} else {
$media = 'all';
}
// Get relation
if (preg_match('/rel=[\'"]*([^\'"]+)[\'"]*/ims', $treffer[0][$i], $reltreffer)) {
$rel = $reltreffer[1];
} else {
$rel = 'stylesheet';
}
// Convert file's URI into an absolute local path
$filename = preg_replace('/^http:\\/\\/[^\\/]+/', rtrim($_SERVER['DOCUMENT_ROOT'], '/'), $treffer[1][$i]);
// Remove any parameters from file's URI
$filename = preg_replace('/\\?.*$/', '', $filename);
// If file exists
if (file_exists($filename)) {
// If its a normal CSS-file
if (substr($filename, strlen($filename) - 4, 4) == '.css' && file_exists($filename)) {
// Put file-reference inside a comment
$out = str_replace($treffer[0][$i], '<!-- Processed by Booster ' . $treffer[0][$i] . ' -->', $out);
// Calculate relative path from Booster to file
$booster_to_file_path = $booster->getpath(str_replace('\\', '/', dirname($filename)), str_replace('\\', '/', dirname(__FILE__)));
$filename = $booster_to_file_path . '/' . basename($filename);
// Create sub-arrays if not yet there
if (!isset($css_rel_files[$media])) {
$css_rel_files[$media] = array();
}
if (!isset($css_abs_files[$media])) {
$css_abs_files[$media] = array();
}
if (!isset($css_rel_files[$media][$rel])) {
$css_rel_files[$media][$rel] = array();
}
if (!isset($css_abs_files[$media][$rel])) {
$css_abs_files[$media][$rel] = array();
}
// Enqueue file to respective array
array_push($css_rel_files[$media][$rel], $filename);
array_push($css_abs_files[$media][$rel], rtrim(str_replace('\\', '/', dirname(realpath(ABSPATH))), '/') . '/' . $root_to_booster_path . '/' . $filename);
} else {
$out = str_replace($treffer[0][$i], $treffer[0][$i] . '<!-- Booster skipped ' . $filename . ' -->', $out);
}
} else {
$out = str_replace($treffer[0][$i], $treffer[0][$i] . '<!-- Booster had a problems finding ' . $filename . ' -->', $out);
}
}
// Creating Booster markup for each media and relation seperately
reset($css_rel_files);
for ($i = 0; $i < count($css_rel_files); $i++) {
$media_rel = $css_rel_files[key($css_rel_files)];
$media_abs = $css_abs_files[key($css_rel_files)];
reset($media_rel);
for ($j = 0; $j < count($media_rel); $j++) {
$booster->getfilestime($media_rel[key($media_rel)], 'css');
$media_rel[key($media_rel)] = implode(',', $media_rel[key($media_rel)]);
$media_abs[key($media_rel)] = implode(',', $media_abs[key($media_rel)]);
$link = '<link type="text/css" rel="' . key($media_rel) . '" media="' . key($css_rel_files) . '" href="' . get_option('siteurl') . '/wp-content/plugins/' . $booster_folder . '/booster_css.php/dir=' . htmlentities(str_replace('..', '%3E', $media_rel[key($media_rel)])) . '&cachedir=' . htmlentities(str_replace('..', '%3E', $booster_cache_reldir), ENT_QUOTES) . ($booster->debug ? '&debug=1' : '') . ($booster->librarydebug ? '&librarydebug=1' : '') . '&nocache=' . $booster->filestime . '" />';
if (key($css_rel_files) != 'print') {
$booster_out .= $link . "\r\n";
} else {
$booster_out .= '<noscript>' . $link . '</noscript>' . "\r\n";
$js_plain .= 'jQuery(document).ready(function () {
jQuery("head").append("' . addslashes($link) . '");
});
';
}
$booster_out .= "\r\n";
#$booster_out .= "\r\n<!-- ".$media_abs[key($media_rel)]." -->\r\n";
next($media_rel);
}
next($css_rel_files);
}
// Injecting the result
$out = str_replace('</title>', "</title>\r\n<meta name=\"booster_cache_dir\" content=\"" . BOOSTER_CACHE_DIR . "\" />\r\n" . $booster_out, $out);
$booster_out = '';
// JS-part
$js_rel_files = array();
$js_abs_files = array();
preg_match_all('/<script[^>]*>(.*?)<\\/script>/ims', $headtreffer[0][0], $treffer, PREG_PATTERN_ORDER);
for ($i = 0; $i < count($treffer[0]); $i++) {
if (preg_match('/<script.*?src=[\'"]*([^\'"]+\\.js)[\'"]*.*?<\\/script>/ims', $treffer[0][$i], $srctreffer)) {
// Get Domainname
if (isset($_SERVER['SCRIPT_URI'])) {
$host = parse_url($_SERVER['SCRIPT_URI'], PHP_URL_HOST);
} else {
$host = $_SERVER['HTTP_HOST'];
}
// Convert siteurl into a regex-safe expression
$host = str_replace(array('/', '.'), array('\\/', '\\.'), $host);
// Convert file's URI into an absolute local path
$filename = preg_replace('/^http:\\/\\/' . $host . '[^\\/]*/', rtrim($_SERVER['DOCUMENT_ROOT'], '/'), $srctreffer[1]);
// If file is external
if (substr($filename, 0, 7) == 'http://') {
$buffered_filename = $booster_cache_dir . '/' . md5($filename) . '_buffered.js';
$parsed_url = parse_url($filename);
if (!file_exists($buffered_filename) || filemtime($buffered_filename) < time() - 1 * 24 * 60 * 60) {
$host = $parsed_url['host'];
$service_uri = $parsed_url['path'];
$vars = $parsed_url['query'];
// Compose HTTP request header
$header = "Host: {$host}\r\n";
$header .= "User-Agent: CSS-JS-Booster\r\n";
$header .= "Connection: close\r\n\r\n";
$fp = fsockopen($host, 80, $errno, $errstr);
if ($fp) {
$body = '';
fputs($fp, "GET {$service_uri}?{$vars} HTTP/1.0\r\n");
fputs($fp, $header . $vars);
while (!feof($fp)) {
$body .= fgets($fp, 65000);
}
fclose($fp);
$body = preg_replace('/HTTP.+[\\r\\n]{1}[\\r\\n]{1}/ims', '', $body);
@file_put_contents($buffered_filename, $body);
@chmod($filename, 0777);
// Put file-reference inside a comment
$out = str_replace($srctreffer[0], '<!-- Processed by Booster ' . $srctreffer[0] . ' -->', $out);
// Enqueue file to array
$booster_to_file_path = $booster->getpath(str_replace('\\', '/', dirname($buffered_filename)), str_replace('\\', '/', dirname(__FILE__)));
array_push($js_rel_files, $booster_cache_reldir . '/' . md5($filename) . '_buffered.js');
array_push($js_abs_files, rtrim(str_replace('\\', '/', dirname(realpath(ABSPATH))), '/') . '/' . $buffered_filename);
} else {
$out = str_replace($srctreffer[0], $srctreffer[0] . '<!-- Booster had a problems retrieving ' . $filename . ' -->', $out);
}
} else {
// Put file-reference inside a comment
$out = str_replace($srctreffer[0], '<!-- Processed by Booster ' . $srctreffer[0] . ' -->', $out);
// Enqueue file to array
$booster_to_file_path = $booster->getpath(str_replace('\\', '/', dirname($buffered_filename)), str_replace('\\', '/', dirname(__FILE__)));
array_push($js_rel_files, $booster_cache_reldir . '/' . md5($filename) . '_buffered.js');
array_push($js_abs_files, rtrim(str_replace('\\', '/', dirname(realpath(ABSPATH))), '/') . '/' . $buffered_filename);
}
} elseif (file_exists($filename)) {
// If its a normal JavaScript-file
if (substr($filename, strlen($filename) - 3, 3) == '.js') {
// Remove any parameters from file's URI
$filename = preg_replace('/\\?.*$/', '', $filename);
// Put file-reference inside a comment
$out = str_replace($srctreffer[0], '<!-- Processed by Booster ' . $srctreffer[0] . ' -->', $out);
// Calculate relative path from Booster to file
$booster_to_file_path = $booster->getpath(str_replace('\\', '/', dirname($filename)), str_replace('\\', '/', dirname(__FILE__)));
$filename = $booster_to_file_path . '/' . basename($filename);
// Enqueue file to array
array_push($js_rel_files, $filename);
array_push($js_abs_files, rtrim(str_replace('\\', '/', dirname(realpath(ABSPATH))), '/') . '/' . $root_to_booster_path . '/' . $filename);
} else {
$out = str_replace($srctreffer[0], $srctreffer[0] . '<!-- Booster skipped ' . $filename . ' -->', $out);
}
} else {
$out = str_replace($srctreffer[0], $srctreffer[0] . '<!-- Booster had a problems finding ' . $filename . ' -->', $out);
}
} else {
// Save plain JS to file to keep everything in line
$filename = $booster_cache_dir . '/' . md5($treffer[1][$i]) . '_plain.js';
if (!file_exists($filename)) {
@file_put_contents($filename, $treffer[1][$i]);
}
@chmod($filename, 0777);
// Enqueue file to array
$booster_to_file_path = $booster->getpath(str_replace('\\', '/', dirname($filename)), str_replace('\\', '/', dirname(__FILE__)));
array_push($js_rel_files, $booster_cache_reldir . '/' . md5($treffer[1][$i]) . '_plain.js');
#array_push($js_rel_files,$booster_cache_reldir.'/'.md5($treffer[1][$i]).'_plain.js');
array_push($js_abs_files, rtrim(str_replace('\\', '/', dirname(realpath(ABSPATH))), '/') . '/' . $filename);
//$js_plain .= "try{".$treffer[1][$i];
$out = str_replace($treffer[0][$i], '<!-- ' . $treffer[0][$i] . ' -->', $out);
}
}
// Creating Booster markup
$js_rel_files = implode(',', $js_rel_files);
$js_abs_files = implode(',', $js_abs_files);
$js_plain = preg_replace('/\\/\\*.*?\\*\\//ims', '', $js_plain);
$js_plain .= 'try {document.execCommand("BackgroundImageCache", false, true);} catch(err) {}
';
$booster_out .= '<script type="text/javascript" src="' . get_option('siteurl') . '/wp-content/plugins/' . $booster_folder . '/booster_js.php/dir=' . htmlentities(str_replace('..', '%3E', $js_rel_files)) . '&cachedir=' . htmlentities(str_replace('..', '%3E', $booster_cache_reldir), ENT_QUOTES) . ($booster->debug ? '&debug=1' : '') . (!$booster->js_minify ? '&js_minify=0' : '') . '&nocache=' . $booster->getfilestime($js_abs_files, 'js') . '"></script>
<script type="text/javascript">' . $js_plain . '</script>';
$booster_out .= "\r\n";
#$booster_out .= "\r\n<!-- ".$js_abs_files." -->\r\n";
// Injecting the result
$out = str_replace('</head>', $booster_out . '</head>', $out);
}
} else {
$out = str_replace('<body', '<div style="display: block; padding: 1em; background-color: #FFF9D0; color: #912C2C; border: 1px solid #912C2C; font-family: Calibri, \'Lucida Grande\', Arial, Verdana, sans-serif; white-space: pre;">You need to upgrade to PHP 5 or higher to have CSS-JS-Booster work. You currently are running on PHP ' . phpversion() . '</div><body', $out);
}
// Recreate output buffer
ob_end_clean();
if (isset($_SERVER['HTTP_ACCEPT_ENCODING']) && substr_count($_SERVER['HTTP_ACCEPT_ENCODING'], 'gzip') && function_exists('ob_gzhandler') && (!ini_get('zlib.output_compression') || intval(ini_get('zlib.output_compression')) <= 0) && !function_exists('wp_cache_ob_callback')) {
@ob_start('ob_gzhandler');
} elseif (function_exists('wp_cache_ob_callback')) {
@ob_start('wp_cache_ob_callback');
} else {
@ob_start();
}
// Output page
echo $out;
}
}
