/* Plugin Name: WP Minify Plugin URI: http://omninoggin.com/wordpress-plugins/wp-minify-wordpress-plugin/ Description: This plugin uses the Minify engine to combine and compress JS and CSS files to improve page load time. Version: 1.2.0 Author: Thaya Kareeson Author URI: http://omninoggin.com */ /* Copyright 2009-2011 Thaya Kareeson (email : thaya.kareeson@gmail.com) This program is free software: you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation, either version 3 of the License, or (at your option) any later version. This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with this program. If not, see . */ class WPMinify { var $author_homepage = 'http://omninoggin.com/'; var $homepage = 'http://omninoggin.com/wordpress-plugins/wp-minify-wordpress-plugin/'; var $name = 'wp_minify'; var $name_dashed = 'wp-minify'; var $name_proper = 'WP Minify'; var $required_wp_version = '2.7'; var $version = '1.2.0'; var $c = null; var $debug = false; var $cache_location = 'wp-content/plugins/wp-minify/cache/'; var $url_len_limit = 2000; var $minify_limit = 50; var $buffer_started = false; var $default_exclude = array(); function WPMinify() { // initialize common functions $this->c = new WPMinifyCommon($this); // load translation $this->c->load_text_domain(); // register admin scripts add_action('admin_init', array($this->c, 'a_register_scripts')); add_action('admin_init', array($this->c, 'a_register_styles')); // check wp version add_action('admin_head', array($this->c, 'a_check_version')); // load admin menu add_action('admin_menu', array($this, 'a_menu')); // register ajax handler add_action('wp_ajax_wpm', array($this, 'a_ajax_handler')); // No need to minify admin stuff if (!is_admin() && !is_feed() && !defined('XMLRPC_REQUEST')) { // Don't minify if if user passes wp-minify-off=1 in GET parameter if (!(isset($_GET['wp-minify-off']) && $_GET['wp-minify-off'])) { add_action('init', array($this, 'pre_content'), 99999); add_action('wp_footer', array($this, 'post_content')); } // advertise hook add_action('wp_footer', array($this, 'advertise')); } } // admin functions function a_default_options() { return array( 'cache_external' => false, 'cache_interval' => 900, 'css_exclude' => array(), 'css_include' => array(), 'debug_nominify' => false, 'debug_firephp' => false, 'enable_css' => true, 'enable_js' => true, 'enable_html' => true, 'auto_base' => true, 'extra_minify_options' => '', 'js_exclude' => array(), 'js_include' => array(), 'js_in_footer' => false, 'force_https' => false, 'pretty_url' => false, 'show_link' => false, 'show_advanced' => false, 'uri_exclude' => array(), 'version' => $this->version, 'deprecated' => array( 'wp_path', 'debug', 'debug_noprettyurl' ) ); } function a_update_options() { // new options $wpm_new_options = stripslashes_deep($_POST['wpm_options_update']); // current options $wpm_current_options = get_option($this->name); // convert "on" to true and "off" to false for checkbox fields // and set defaults for fields that are left blank if (isset($wpm_new_options['show_link']) && $wpm_new_options['show_link'] == "on") $wpm_new_options['show_link'] = true; else $wpm_new_options['show_link'] = false; if (isset($wpm_new_options['enable_js'])) $wpm_new_options['enable_js'] = true; else $wpm_new_options['enable_js'] = false; if (isset($wpm_new_options['enable_css'])) $wpm_new_options['enable_css'] = true; else $wpm_new_options['enable_css'] = false; if (isset($wpm_new_options['enable_html'])) $wpm_new_options['enable_html'] = true; else $wpm_new_options['enable_html'] = false; if (isset($wpm_new_options['auto_base'])) $wpm_new_options['auto_base'] = true; else $wpm_new_options['auto_base'] = false; if (isset($wpm_new_options['cache_external'])) $wpm_new_options['cache_external'] = true; else $wpm_new_options['cache_external'] = false; if (isset($wpm_new_options['js_in_footer'])) $wpm_new_options['js_in_footer'] = true; else $wpm_new_options['js_in_footer'] = false; if (isset($wpm_new_options['pretty_url'])) $wpm_new_options['pretty_url'] = true; else $wpm_new_options['pretty_url'] = false; if (isset($wpm_new_options['debug_nominify'])) $wpm_new_options['debug_nominify'] = true; else $wpm_new_options['debug_nominify'] = false; if (isset($wpm_new_options['debug_firephp'])) $wpm_new_options['debug_firephp'] = true; else $wpm_new_options['debug_firephp'] = false; $this->a_set_minify_config($wpm_new_options['debug_nominify'], $wpm_new_options['debug_firephp']); if ( isset($wpm_new_options['force_https']) ) $wpm_new_options['force_https'] = true; else $wpm_new_options['force_https'] = false; if (strlen(trim($wpm_new_options['js_include'])) > 0) $wpm_new_options['js_include'] = $this->array_trim(split(chr(10), str_replace(chr(13), '', $wpm_new_options['js_include']))); else $wpm_new_options['js_include'] = array(); if (strlen(trim($wpm_new_options['js_exclude'])) > 0) $wpm_new_options['js_exclude'] = $this->array_trim(split(chr(10), str_replace(chr(13), '', $wpm_new_options['js_exclude']))); else $wpm_new_options['js_exclude'] = array(); if (strlen(trim($wpm_new_options['css_include'])) > 0) $wpm_new_options['css_include'] = $this->array_trim(split(chr(10), str_replace(chr(13), '', $wpm_new_options['css_include']))); else $wpm_new_options['css_include'] = array(); if (strlen(trim($wpm_new_options['css_exclude'])) > 0) $wpm_new_options['css_exclude'] = $this->array_trim(split(chr(10), str_replace(chr(13), '', $wpm_new_options['css_exclude']))); else $wpm_new_options['css_exclude'] = array(); if ( strlen(trim($wpm_new_options['uri_exclude'])) > 0 ) $wpm_new_options['uri_exclude'] = $this->array_trim(split(chr(10), str_replace(chr(13), '', $wpm_new_options['uri_exclude']))); else $wpm_new_options['uri_exclude'] = array(); // Update options foreach ($wpm_new_options as $key => $value) { $wpm_current_options[$key] = $value; } update_option($this->name, $wpm_current_options); } function a_set_advanced_options($val) { $wpm_options = get_option($this->name); $wpm_options['show_advanced'] = $val; update_option($this->name, $wpm_options); } function a_ajax_handler() { check_ajax_referer($this->name); if (isset($_POST['wpm_action'])) { if (strtolower($_POST['wpm_action']) == 'show_advanced') { $this->a_set_advanced_options(true); } elseif (strtolower($_POST['wpm_action']) == 'hide_advanced') { $this->a_set_advanced_options(false); } else { echo 'Invalid wpm_action.'; } } exit(); } function a_request_handler() { if (isset($_POST['wpm_options_update_submit'])) { check_admin_referer($this->name); $this->a_update_options(); add_action('admin_notices', array($this->c, 'a_notify_updated')); } elseif (isset($_POST['wpm_options_clear_cache_submit'])) { // if user wants to regenerate nonce check_admin_referer($this->name); $this->c->a_clear_cache(); add_action('admin_notices', array($this->c, 'a_notify_cache_cleared')); } elseif (isset($_POST['wpm_options_upgrade_submit'])) { // if user wants to upgrade options (for new options on version upgrades) check_admin_referer($this->name); $this->c->a_upgrade_options(); add_action('admin_notices', array($this->c, 'a_notify_upgraded')); } elseif (isset($_POST['wpm_options_reset_submit'])) { // if user wants to reset all options check_admin_referer($this->name); $this->c->a_reset_options(); add_action('admin_notices', array($this->c, 'a_notify_reset')); } // only check these on plugin settings page $this->c->a_check_dir_writable($this->c->get_plugin_dir().'cache/', array($this, 'a_notify_cache_not_writable')); $this->c->a_check_orphan_options(array($this, 'a_notify_orphan_options')); if ($this->c->a_check_dir_writable($this->c->get_plugin_dir().'min/config.php', array($this, 'a_notify_config_not_writable'))) { $this->a_check_minify_config(); } } function a_check_minify_config() { $fname = $this->c->get_plugin_dir().'min/config.php'; $fhandle = fopen($fname,'r'); $content = fread($fhandle,filesize($fname)); $config_modified = false; preg_match('/\/\/###WPM-CACHE-PATH-BEFORE###(.*)\/\/###WPM-CACHE-PATH-AFTER###/s', $content, $matches); $cache_path_code = $matches[1]; if (!preg_match('/\$min_cachePath.*?/', $cache_path_code)) { $content = preg_replace( '/\/\/###WPM-CACHE-PATH-BEFORE###(.*)\/\/###WPM-CACHE-PATH-AFTER###/s', "//###WPM-CACHE-PATH-BEFORE###\n".'$min_cachePath = \''.$this->c->get_plugin_dir()."cache/';\n//###WPM-CACHE-PATH-AFTER###", $content); $config_modified = true; } preg_match('/\/\/###WPM-CACHE-AGE-BEFORE###(.*)\/\/###WPM-CACHE-AGE-AFTER###/s', $content, $matches); $cache_age_code = $matches[1]; if (!preg_match('/\$min_serveOptions\[\'maxAge\'].*?/', $cache_age_code)) { $content = preg_replace( '/\/\/###WPM-CACHE-AGE-BEFORE###(.*)\/\/###WPM-CACHE-AGE-AFTER###/s', "//###WPM-CACHE-AGE-BEFORE###\n".'$min_serveOptions[\'maxAge\'] = 2592000;'."\n//###WPM-CACHE-AGE-AFTER###", $content); $config_modified = true; } if ($config_modified) { $this->a_notify_modified_minify_config(); } $fhandle = fopen($fname,"w"); fwrite($fhandle,$content); fclose($fhandle); } function a_set_minify_config($nominify = false, $firephp = false) { if ($nominify) { $nominify = 'true'; } else { $nominify = 'false'; } if ($firephp) { $firephp = 'true'; } else { $firephp = 'false'; } $fname = $this->c->get_plugin_dir().'min/config.php'; $fhandle = fopen($fname,'r'); $content = fread($fhandle,filesize($fname)); $content = preg_replace( '/\/\/###WPM-DEBUG-FLAG-BEFORE###(.*)\/\/###WPM-DEBUG-FLAG-AFTER###/s', "//###WPM-DEBUG-FLAG-BEFORE###\n".'$min_allowDebugFlag = '.$nominify.";\n//###WPM-DEBUG-FLAG-AFTER###", $content); $content = preg_replace( '/\/\/###WPM-ERROR-LOGGER-BEFORE###(.*)\/\/###WPM-ERROR-LOGGER-AFTER###/s', "//###WPM-ERROR-LOGGER-BEFORE###\n".'$min_errorLogger = '.$firephp.";\n//###WPM-ERROR-LOGGER-AFTER###", $content); $fhandle = fopen($fname,"w"); fwrite($fhandle,$content); fclose($fhandle); } function a_notify_cache_not_writable() { $this->c->a_notify( sprintf('%s: %s', __('Cache directory is not writable. Please grant your server write permissions to the directory', $this->name), $this->c->get_plugin_dir().'cache/'), true); } function a_notify_config_not_writable() { $this->c->a_notify( sprintf('%s: %s', __('Minify Engine config.php is not writable. Please grant your server write permissions to file', $this->name), $this->c->get_plugin_dir().'min/config.php')); } function a_notify_orphan_options() { $this->c->a_notify( sprintf('%s', __('Some option settings are missing (possibly from plugin upgrade).', $this->name))); } function a_notify_modified_minify_config() { $this->c->a_notify(__('Minify Engine config.php was configured automatically.', $this->name)); } function a_menu() { $options_page = add_options_page($this->name_proper, $this->name_proper, 'manage_options', 'wp-minify', array($this, 'a_page')); add_action('admin_head-'.$options_page, array($this, 'a_request_handler')); add_action('admin_print_scripts-'.$options_page, array($this->c, 'a_enqueue_scripts')); add_action('admin_print_styles-'.$options_page, array($this->c, 'a_enqueue_styles')); } function a_page() { $wpm_options = get_option($this->name); printf('

%s

%s |  %s
', __('WP Minify Options', $this->name), __('General Configuration', $this->name), __('Documentation', $this->name) ); printf('
'); if (isset($_GET['wpm-page'])) { if ($_GET['wpm-page'] || !$_GET['wpm-page']) { require_once('options-generic.php'); } } else { require_once('options-generic.php'); } printf('
'); // omni_admin_main require_once('options-sidebar.php'); printf('
'); // wrap } // admin_page() // other functions function fetch_and_cache($url, $cache_file) { $ch = curl_init(); $timeout = 5; // set to zero for no timeout curl_setopt ($ch, CURLOPT_URL, $url); curl_setopt ($ch, CURLOPT_RETURNTRANSFER, 1); curl_setopt ($ch, CURLOPT_CONNECTTIMEOUT, $timeout); curl_setopt ($ch, CURLOPT_USERAGENT, 'WP-Minify'); $content = curl_exec($ch); curl_close($ch); if ($content) { if (is_array($content)) { $content = implode($content); } // save cache file $fh = fopen($cache_file, 'w'); if ($fh) { fwrite($fh, $content); fclose($fh); } else { // cannot open for write. no error b/c something else is probably writing to the file. } return $content; } else { printf( '%s: '.$url.'. %s
', __('Error: Could not fetch and cache URL'), __('You might need to exclude this file in WP Minify options.') ); return ''; } } function refetch_cache_if_expired($url, $cache_file) { $wpm_options = get_option($this->name); $cache_file_mtime = filemtime($cache_file); if ((time() - $cache_file_mtime) > $wpm_options['cache_interval']) { $this->fetch_and_cache($url, $cache_file); } } function tiny_filename($str) { $f = __FILE__; // no fancy shortening for Windows return ('/' === $f[0]) ? strtr(base64_encode(md5($str, true)), '+/=', '-_(') : md5($str); } function array_trim($arr, $charlist=null) { foreach ($arr as $key => $value) { if (is_array($value)) $result[$key] = array_trim($value, $charlist); else $result[$key] = trim($value, $charlist); } return $result; } function check_and_split_url($url, $latest_modified = 0) { $url_chunk = explode('?f=', $url); $base_url = array_shift($url_chunk); $files = explode(',', array_shift($url_chunk)); $num_files = sizeof($files); if ($this->url_needs_splitting($url, $files)) { $first_half = $this->check_and_split_url($base_url . '?f=' . implode(',', array_slice($files, 0, $num_files/2)), $latest_modified); $second_half = $this->check_and_split_url($base_url . '?f=' . implode(',', array_slice($files, $num_files/2)), $latest_modified); return $first_half + $second_half; } else { $wpm_options = get_option($this->name); // append &debug if we need to if ($wpm_options['debug_nominify']) { $debug_string = '&debug=true'; } else { $debug_string = ''; } // append base directory if needed $base = $this->get_base(); if ($base != '') { $base_string = '&b='.$base; } else { $base_string = ''; } // get rid of any base directory specification in extra options $extra_minify_options = preg_replace('/(&|&|\b)b=[^&]*/', '', trim($wpm_options['extra_minify_options'])); if (trim($extra_minify_options) != '') { $extra_string = '&'.$extra_minify_options; } else { $extra_string = ''; } // append last modified time $latest_modified_string = '&m='.$latest_modified; return array($base_url . '?f=' . implode(',', $files) . $debug_string . $base_string . $extra_string . $latest_modified_string); } } function fetch_content($url, $type = '') { $cache_file = $this->c->get_plugin_dir().'cache/'.md5($url).$type; $content = ''; if (file_exists($cache_file)) { // check cache expiration $this->refetch_cache_if_expired($url, $cache_file); $fh = fopen($cache_file, 'r'); if ($fh && filesize($cache_file) > 0) { $content = fread($fh, filesize($cache_file)); fclose($fh); } else { // cannot open cache file so fetch it $content = $this->fetch_and_cache($url, $cache_file); } } else { // no cache file. fetch from internet and save to local cache $content = $this->fetch_and_cache($url, $cache_file); } return $content; } function local_version($url) { $site_url = trailingslashit(get_option('siteurl')); $url = str_replace($site_url, '', $url); // relative paths only for local urls $url = preg_replace('/^\//', '', $url); // strip front / if any $url = preg_replace('/\?.*/i', '', $url); // throws away parameters, if any return $url; } function is_external($url, $localize=true) { if ($localize) { $url = $this->local_version($url); } if (substr($url, 0, 4) != 'http' && (substr($url, -3, 3) == '.js' || substr($url, -4, 4) == '.css')) { return false; } else { return true; } } function get_js_location($src) { if ($this->debug) echo 'Script URL:'.$src."
\n"; $script_path = $this->local_version($src); if ($this->is_external($script_path, false)) { // fetch scripts if necessary $this->fetch_content($src, '.js'); $location = $this->cache_location . md5($src) . '.js'; if ($this->debug) echo 'External script detected, cached as:'. md5($src) . "
\n"; } else { // if script is local to server $location = $script_path; if ($this->debug) echo 'Local script detected:'.$script_path."
\n"; } return $location; } function get_css_location($src) { if ($this->debug) echo 'Style URL:'.$src."
\n"; $css_path = $this->local_version($src); if ($this->is_external($css_path, false)) { // fetch scripts if necessary $this->fetch_content($src, '.css'); $location = $this->cache_location . md5($src) . '.css'; if ($this->debug) echo 'External css detected, cached as:'. md5($src) . "
\n"; } else { $location = $css_path; // if css is local to server if ($this->debug) echo 'Local css detected:'.$css_path."
\n"; } return $location; } function url_needs_splitting($url, $locations) { if ($url > $this->url_len_limit || count($locations) > $this->minify_limit) { return true; } else { return false; } } function build_minify_urls($locations, $type) { $wpm_options = get_option($this->name); $minify_url = $this->c->get_plugin_url().'min/?f='; if ($wpm_options['force_https'] && $_SERVER["HTTPS"] == "on") { $minify_url = preg_replace('/^http:\/\//', 'https://', $minify_url); } $minify_url .= implode(',', $locations); $latest_modified = $this->get_latest_modified_time($locations); $minify_urls = $this->check_and_split_url($minify_url, $latest_modified); if ($wpm_options['pretty_url']) { return $this->get_cached_minify_urls($minify_urls, $type); } else { return $minify_urls; } } function get_cached_minify_urls($urls, $type) { $wpm_options = get_option($this->name); $cached_urls = array(); foreach ($urls as $url) { $cache_file = $this->c->get_plugin_dir().'cache/'.md5($url).$type; if (file_exists($cache_file)) { // check cache expiration $this->refetch_cache_if_expired($url, $cache_file); $fh = fopen($cache_file, 'r'); if ($fh && filesize($cache_file) > 0) { $content = fread($fh, filesize($cache_file)); fclose($fh); } else { // cannot open cache file so fetch it $this->fetch_and_cache($url, $cache_file); } } else { // no cache file. fetch it $this->fetch_and_cache($url, $cache_file); } $cache_url = $this->c->get_plugin_url().'cache/'.md5($url).$type.'?m='.filemtime($cache_file); $cached_urls[] = $cache_url; } return $cached_urls; } function get_base_from_minify_args() { $wpm_options = get_option($this->name); if (!empty($wpm_options['extra_minify_options'])) { if (preg_match('/\bb=([^&]*?)(&|$)/', trim($wpm_options['extra_minify_options']), $matches)) { return rtrim(trim($matches[1]), '\\/'); } } return ''; } function get_base_from_siteurl() { $site_url = trailingslashit(get_option('siteurl')); return rtrim(preg_replace('/^https?:\/\/.*?\//', '', $site_url), '\\/'); } function get_base() { $base_from_min_args = $this->get_base_from_minify_args(); if ($base_from_min_args != '') { return $base_from_min_args; } $wpm_options = get_option($this->name); if ($wpm_options['auto_base']) { return $this->get_base_from_siteurl(); } else { return ''; } } function get_latest_modified_time($locations = array()) { $latest_modified = 0; if (!empty($locations)) { $base_path = trailingslashit($_SERVER['DOCUMENT_ROOT']); $base_path .= trailingslashit($this->get_base()); foreach ($locations as $location) { $path = $base_path.$location; $mtime = filemtime($path); if ($latest_modified < $mtime) { $latest_modified = $mtime; } } } return $latest_modified; } function extract_css($content) { $wpm_options = get_option($this->name); $css_locations = array(); preg_match_all('/]*?)>/i', $content, $link_tags_match); foreach ($link_tags_match[0] as $link_tag) { if (strpos(strtolower($link_tag), 'stylesheet')) { // check CSS media type if (!strpos(strtolower($link_tag), 'media=') || preg_match('/media=["\'](?:["\']|[^"\']*?(all|screen)[^"\']*?["\'])/', $link_tag) ) { preg_match('/href=[\'"]([^\'"]+)/', $link_tag, $href_match); if ($href_match[1]) { // include it if it is in the include list $include = false; $inclusions = $wpm_options['css_include']; foreach ($inclusions as $include_pat) { $include_pat = trim($include_pat); if (strlen($include_pat) > 0 && strpos($src_match[1], $include_pat) !== false) { $include = true; break; } } if (!$include) { // support external files? if (!$wpm_options['cache_external'] && $this->is_external($href_match[1])) { continue; // skip if we don't cache externals and this file is external } // do not include anything in excluded list $skip = false; $exclusions = array_merge($this->default_exclude, $wpm_options['css_exclude']); foreach ($exclusions as $exclude_pat) { $exclude_pat = trim($exclude_pat); if (strlen($exclude_pat) > 0 && strpos($href_match[1], $exclude_pat) !== false) { $skip = true; break; } } if ($skip) continue; } $content = str_replace($link_tag . '', '', $content); $content = str_replace($link_tag, '', $content); $css_locations[] = $this->get_css_location($href_match[1]); } } } } $css_locations = array_unique($css_locations); return array($content, $css_locations); } function inject_css($content, $css_locations) { if (count($css_locations) > 0) { $wpm_options = get_option($this->name); // build minify URLS $css_tags = ''; $minify_urls = $this->build_minify_urls($css_locations, '.css'); foreach ($minify_urls as $minify_url) { $minify_url = apply_filters('wp_minify_css_url', $minify_url); // Allow plugins to modify final minify URL $css_tags .= ""; } $matches = preg_match('//', $content); if ($matches) { $content = preg_replace('//', "$css_tags", $content, 1); // limit 1 replacement } else { // HTML5 has
tags so account for those in regex $content = preg_replace('/|\s[^>]*?>)/', "\\0\n$css_tags", $content, 1); // limit 1 replacement } } return $content; } function extract_conditionals($content) { preg_match_all('//is', $content, $conditionals_match); $content = preg_replace('//is', '###WPM-CSS-CONDITIONAL###', $content); $conditionals = array(); foreach ($conditionals_match[0] as $conditional) { $conditionals[] = $conditional; } return array($content, $conditionals); } function inject_conditionals($content, $conditionals) { while (count($conditionals) > 0 && strpos($content, '###WPM-CSS-CONDITIONAL###')) { $conditional = array_shift($conditionals); $content = preg_replace('/###WPM-CSS-CONDITIONAL###/', $conditional, $content, 1); } return $content; } function extract_js($content) { $wpm_options = get_option($this->name); $js_locations = array(); preg_match_all('/]*?)><\/script>/i', $content, $script_tags_match); foreach ($script_tags_match[0] as $script_tag) { if (strpos(strtolower($script_tag), 'text/javascript') !== false) { preg_match('/src=[\'"]([^\'"]+)/', $script_tag, $src_match); if ($src_match[1]) { // include it if it is in the include list $include = false; $inclusions = $wpm_options['js_include']; foreach ($inclusions as $include_pat) { $include_pat = trim($include_pat); if (strlen($include_pat) > 0 && strpos($src_match[1], $include_pat) !== false) { $include = true; break; } } if (!$include) { // support external files? if (!$wpm_options['cache_external'] && $this->is_external($src_match[1])) { continue; // skip if we don't cache externals and this file is external } // do not include anything in excluded list $skip = false; $exclusions = array_merge($this->default_exclude, $wpm_options['js_exclude']); foreach ($exclusions as $exclude_pat) { $exclude_pat = trim($exclude_pat); if (strlen($exclude_pat) > 0 && strpos($src_match[1], $exclude_pat) !== false) { $skip = true; break; } } if ($skip) continue; } $content = str_replace($script_tag, '', $content); $js_locations[] = $this->get_js_location($src_match[1]); } } } $js_locations = array_unique($js_locations); return array($content, $js_locations); } function inject_js($content, $js_locations) { if (count($js_locations) > 0) { // build minify URLS $js_tags = ''; $minify_urls = $this->build_minify_urls($js_locations, '.js'); foreach ($minify_urls as $minify_url) { $minify_url = apply_filters('wp_minify_js_url', $minify_url); // Allow plugins to modify final minify URL $js_tags .= ""; } $matches = preg_match('//', $content); if ($matches) { $content = preg_replace('//', "$js_tags", $content, 1); // limit 1 replacement } else { $wpm_options = get_option($this->name); if ($wpm_options['js_in_footer']) { $content = preg_replace('/<\/body>/', "$js_tags\n", $content, 1); // limit 1 replacement } else { // HTML5 has
tags so account for those in regex $content = preg_replace('/|\s[^>]*?>)/', "\\0\n$js_tags", $content, 1); // limit 1 replacement } } } return $content; } function pre_content() { $wpm_options = get_option($this->name); if ($wpm_options['uri_exclude'] && count($wpm_options['uri_exclude'])) { foreach ($wpm_options['uri_exclude'] as $exclude_pat) { $exclude_pat = trim($exclude_pat); if (strlen($exclude_pat) > 0 && strpos($_SERVER['REQUEST_URI'], $exclude_pat) !== false) { return; } } } ob_start(array($this, 'modify_buffer')); // variable for sanity checking $this->buffer_started = true; } function modify_buffer($buffer) { $wpm_options = get_option($this->name); // if we do not want to force http to https then we need to exclude https if (!($wpm_options['force_https'] && $_SERVER["HTTPS"] == "on")) { $this->default_exclude[] = 'https://'; } // minify JS if ($wpm_options['enable_js']) { list($buffer, $js_locations) = $this->extract_js($buffer); $buffer= $this->inject_js($buffer, $js_locations); } // minify CSS (make sure to exclude CSS conditionals) if ($wpm_options['enable_css']) { list($buffer, $conditionals) = $this->extract_conditionals($buffer); list($buffer, $css_locations) = $this->extract_css($buffer); $buffer = $this->inject_css($buffer, $css_locations); $buffer = $this->inject_conditionals($buffer, $conditionals); } // get rid of empty lines $buffer = preg_replace('/\s*(\r?\n)(\r?\n)*/', '$1', $buffer); // minify HTML if ($wpm_options['enable_html']) { if (!class_exists('Minify_HTML')) { require_once('min/lib/Minify/HTML.php'); } $buffer = Minify_HTML::minify($buffer); } $buffer = apply_filters('wp_minify_content', $buffer); // allow plugins to modify buffer return $buffer; } function post_content() { // sanity checking if ($this->buffer_started) { ob_end_flush(); } } function advertise() { $wpm_options = get_option($this->name); if ($wpm_options['show_link']) { printf("

Page optimized by $this->name_proper WordPress Plugin

"); } } } // class WPMinify require_once('common.php'); require_once('http_build_url.php'); $wp_minify = new WPMinify(); ?> How to Download YouTube Videos Online for Free | Techlato

How to Download YouTube Videos Online for Free

Want to know how to download Youtube Videos Online for Free ? To download these videos, you do not have to install and get involved with anything complicated. So I started looking at what websites offer this possibility.

Also CheckWebsites to Watch Movies Online Free

There are a few, actually. I will highlight some of which have attracted my attention. (I have highlighted YouTube but the fact is that most or all work on other video sites like Metacafe and the like)

Also Read : How to Download Torrents on iPhone or iPad

How to Download Youtube Videos Online for Free

How to Download Youtube Videos Online for Free

SaveVideoDownload

I Highly recommended this site. It has a very good tutorial on how to download youtube videos from internet , and you can download them in both .flv & .mpeg formats

KeepVid

Simple tool to download videos from youtube , just copy the url in the given download bar, click “Download” and Voilaaaa! just choose the format and download the video.

SaveVid

This site brings the added advantage that instead of only being able to download youtube videos, so does Metacafe and other well known companies, so you know, you can also create a log of all your saved videos.

CatchVideo

One of the fastest services of downloading videos from youtube. Only getting the best formats and saving time to rare formats.

Download-Tube.com

Unlike other free services, this has little publicity and to translate the home page to diversity of languages.

VideoGetting

Very simple and straightforward but offers multiple output video formats. Enter the URL of the video, choose the format for download: MOV, MP4, AVI, WMV, etc..

FetchVideo

Simple as could be. Enter the URL, press the button “Download” and within seconds you have the link to download the video. Only FLV format.

Zamzar

Quite complete. Besides downloading videos from a URL you can convert files uploaded from your computer. Particularly remarkable about the number of supported video formats when downloading videos from YouTube.

Dirpy

One of the ones I liked. Provides the ability to download only the MP3 audio which comes in handy if you are just looking to hear a talk or presentation on your iPod.

Also Read : 10 great ways to use Dropbox

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About Nagaraj

Hey! My name is Nagaraj. If you like the article, do not forget to subscribe to the page. You can read more about the author , or get in touch with me . My profile on Facebook | Google+

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One Response to How to Download YouTube Videos Online for Free

  1. more youtube subscribers April 11, 2013 at 2:10 am #

    I feel this is one of the so much important information for me. And i’m satisfied studying your article. However should statement on few normal things, The site style is ideal, the articles is really excellent : D. Good process, cheers

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