321 lines
11 KiB
PHP
321 lines
11 KiB
PHP
<?php
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/**
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* $Id: tiny_mce_gzip.php 315 2007-10-25 14:03:43Z spocke $
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*
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* @author Moxiecode
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* @copyright Copyright © 2005-2006, Moxiecode Systems AB, All rights reserved.
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*
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* This file compresses the TinyMCE JavaScript using GZip.
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**/
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// Discard any buffers
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while ( @ob_end_clean() );
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@ require('../../../wp-load.php');
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function getFileContents($path) {
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if ( function_exists('realpath') )
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$path = realpath($path);
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if ( ! $path || ! @is_file($path) )
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return '';
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if ( function_exists('file_get_contents') )
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return @file_get_contents($path);
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$content = '';
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$fp = @fopen($path, 'r');
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if ( ! $fp )
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return '';
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while ( ! feof($fp) )
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$content .= fgets($fp);
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fclose($fp);
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return $content;
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}
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function putFileContents( $path, $content ) {
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if ( function_exists('file_put_contents') )
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return @file_put_contents( $path, $content );
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$newfile = false;
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$fp = @fopen( $path, 'wb' );
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if ($fp) {
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$newfile = fwrite( $fp, $content );
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fclose($fp);
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}
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return $newfile;
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}
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// Set up init variables
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$baseurl = includes_url('js/tinymce');
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$mce_css = $baseurl . '/wordpress.css';
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$mce_css = apply_filters('mce_css', $mce_css);
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$mce_locale = ( '' == get_locale() ) ? 'en' : strtolower( substr(get_locale(), 0, 2) ); // only ISO 639-1
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/*
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The following filter allows localization scripts to change the languages displayed in the spellchecker's drop-down menu.
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By default it uses Google's spellchecker API, but can be configured to use PSpell/ASpell if installed on the server.
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The + sign marks the default language. More information:
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http://wiki.moxiecode.com/index.php/TinyMCE:Plugins/spellchecker
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*/
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$mce_spellchecker_languages = apply_filters('mce_spellchecker_languages', '+English=en,Danish=da,Dutch=nl,Finnish=fi,French=fr,German=de,Italian=it,Polish=pl,Portuguese=pt,Spanish=es,Swedish=sv');
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$plugins = array( 'safari', 'inlinepopups', 'autosave', 'spellchecker', 'paste', 'wordpress', 'media', 'fullscreen', 'wpeditimage' );
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/*
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The following filter takes an associative array of external plugins for TinyMCE in the form 'plugin_name' => 'url'.
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It adds the plugin's name to TinyMCE's plugins init and the call to PluginManager to load the plugin.
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The url should be absolute and should include the js file name to be loaded. Example:
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array( 'myplugin' => 'http://my-site.com/wp-content/plugins/myfolder/mce_plugin.js' )
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If the plugin uses a button, it should be added with one of the "$mce_buttons" filters.
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*/
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$mce_external_plugins = apply_filters('mce_external_plugins', array());
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$ext_plugins = "\n";
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if ( ! empty($mce_external_plugins) ) {
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/*
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The following filter loads external language files for TinyMCE plugins.
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It takes an associative array 'plugin_name' => 'path', where path is the
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include path to the file. The language file should follow the same format as
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/tinymce/langs/wp-langs.php and should define a variable $strings that
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holds all translated strings. Example:
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$strings = 'tinyMCE.addI18n("' . $mce_locale . '.mypluginname_dlg",{tab_general:"General", ... })';
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*/
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$mce_external_languages = apply_filters('mce_external_languages', array());
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$loaded_langs = array();
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$strings = '';
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if ( ! empty($mce_external_languages) ) {
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foreach ( $mce_external_languages as $name => $path ) {
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if ( is_file($path) && is_readable($path) ) {
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include_once($path);
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$ext_plugins .= $strings;
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$loaded_langs[] = $name;
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}
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}
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}
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foreach ( $mce_external_plugins as $name => $url ) {
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if ( is_ssl() ) $url = str_replace('http://', 'https://', $url);
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$plugins[] = '-' . $name;
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if ( in_array($name, $loaded_langs) ) {
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$plugurl = dirname($url);
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$ext_plugins .= 'tinyMCEPreInit.load_ext("' . $plugurl . '", "' . $mce_locale . '");' . "\n";
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}
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$ext_plugins .= 'tinymce.PluginManager.load("' . $name . '", "' . $url . '");' . "\n";
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}
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}
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$plugins = implode($plugins, ',');
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$mce_buttons = apply_filters('mce_buttons', array('bold', 'italic', 'strikethrough', '|', 'bullist', 'numlist', 'blockquote', '|', 'justifyleft', 'justifycenter', 'justifyright', '|', 'link', 'unlink', 'wp_more', '|', 'spellchecker', 'fullscreen', 'wp_adv' ));
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$mce_buttons = implode($mce_buttons, ',');
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$mce_buttons_2 = apply_filters('mce_buttons_2', array('formatselect', 'underline', 'justifyfull', 'forecolor', '|', 'pastetext', 'pasteword', 'removeformat', '|', 'media', 'charmap', '|', 'outdent', 'indent', '|', 'undo', 'redo', 'wp_help' ));
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$mce_buttons_2 = implode($mce_buttons_2, ',');
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$mce_buttons_3 = apply_filters('mce_buttons_3', array());
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$mce_buttons_3 = implode($mce_buttons_3, ',');
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$mce_buttons_4 = apply_filters('mce_buttons_4', array());
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$mce_buttons_4 = implode($mce_buttons_4, ',');
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$no_captions = ( apply_filters( 'disable_captions', '' ) ) ? true : false;
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// TinyMCE init settings
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$initArray = array (
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'mode' => 'none',
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'onpageload' => 'switchEditors.edInit',
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'width' => '100%',
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'theme' => 'advanced',
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'skin' => 'wp_theme',
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'theme_advanced_buttons1' => "$mce_buttons",
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'theme_advanced_buttons2' => "$mce_buttons_2",
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'theme_advanced_buttons3' => "$mce_buttons_3",
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'theme_advanced_buttons4' => "$mce_buttons_4",
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'language' => "$mce_locale",
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'spellchecker_languages' => "$mce_spellchecker_languages",
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'theme_advanced_toolbar_location' => 'top',
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'theme_advanced_toolbar_align' => 'left',
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'theme_advanced_statusbar_location' => 'bottom',
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'theme_advanced_resizing' => true,
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'theme_advanced_resize_horizontal' => false,
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'dialog_type' => 'modal',
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'relative_urls' => false,
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'remove_script_host' => false,
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'convert_urls' => false,
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'apply_source_formatting' => false,
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'remove_linebreaks' => true,
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'paste_convert_middot_lists' => true,
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'paste_remove_spans' => true,
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'paste_remove_styles' => true,
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'gecko_spellcheck' => true,
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'entities' => '38,amp,60,lt,62,gt',
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'accessibility_focus' => false,
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'tab_focus' => ':next',
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'content_css' => "$mce_css",
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'save_callback' => 'switchEditors.saveCallback',
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'wpeditimage_disable_captions' => $no_captions,
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'plugins' => "$plugins",
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// pass-through the settings for compression and caching, so they can be changed with "tiny_mce_before_init"
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'disk_cache' => true,
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'compress' => true,
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'old_cache_max' => '1' // number of cache files to keep
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);
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// For people who really REALLY know what they're doing with TinyMCE
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// You can modify initArray to add, remove, change elements of the config before tinyMCE.init (changed from action to filter)
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$initArray = apply_filters('tiny_mce_before_init', $initArray);
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// Setting "valid_elements", "invalid_elements" and "extended_valid_elements" can be done through "tiny_mce_before_init".
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// Best is to use the default cleanup by not specifying valid_elements, as TinyMCE contains full set of XHTML 1.0.
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// Settings for the gzip compression and cache
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$disk_cache = ( ! isset($initArray['disk_cache']) || false == $initArray['disk_cache'] ) ? false : true;
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$compress = ( ! isset($initArray['compress']) || false == $initArray['compress'] ) ? false : true;
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$old_cache_max = ( isset($initArray['old_cache_max']) ) ? (int) $initArray['old_cache_max'] : 0;
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$initArray['disk_cache'] = $initArray['compress'] = $initArray['old_cache_max'] = null;
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unset( $initArray['disk_cache'], $initArray['compress'], $initArray['old_cache_max'] );
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// Anybody still using IE5/5.5? It can't handle gzip compressed js well.
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if ( $msie = strpos($_SERVER['HTTP_USER_AGENT'], 'MSIE') ) {
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$ie_ver = (int) substr( $_SERVER['HTTP_USER_AGENT'] , $msie + 5, 3 );
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if ( $ie_ver && $ie_ver < 6 ) $compress = false;
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}
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// Cache path, this is where the .gz files will be stored
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$cache_path = WP_CONTENT_DIR . '/uploads/js_cache';
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if ( $disk_cache && ! is_dir($cache_path) )
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$disk_cache = wp_mkdir_p($cache_path);
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$cache_ext = '.js';
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$plugins = explode( ',', $initArray['plugins'] );
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$theme = ( 'simple' == $initArray['theme'] ) ? 'simple' : 'advanced';
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$language = ( isset($initArray['language']) && ! empty($initArray['language']) ) ? substr( $initArray['language'], 0, 2 ) : 'en';
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$cacheKey = $mce_options = '';
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// Check if browser supports gzip
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if ( $compress && isset($_SERVER['HTTP_ACCEPT_ENCODING']) ) {
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if ( ( false !== strpos( strtolower($_SERVER['HTTP_ACCEPT_ENCODING']), 'gzip') || isset($_SERVER['---------------']) ) && function_exists('gzencode') && ! ini_get('zlib.output_compression') ) {
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$cache_ext = '.gz';
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}
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}
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// Setup cache info
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if ( $disk_cache ) {
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$cacheKey = apply_filters('tiny_mce_version', '20080930');
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foreach ( $initArray as $v )
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$cacheKey .= $v;
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if ( ! empty($mce_external_plugins) ) {
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foreach ( $mce_external_plugins as $n => $v )
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$cacheKey .= $n;
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}
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$cacheKey = md5( $cacheKey );
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$cache_file = $cache_path . '/tinymce_' . $cacheKey . $cache_ext;
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}
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$expiresOffset = 864000; // 10 days
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header( 'Content-Type: application/x-javascript; charset=UTF-8' );
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header( 'Vary: Accept-Encoding' ); // Handle proxies
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header( 'Expires: ' . gmdate( "D, d M Y H:i:s", time() + $expiresOffset ) . ' GMT' );
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// Use cached file if exists
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if ( $disk_cache && is_file($cache_file) && is_readable($cache_file) ) {
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$mtime = gmdate("D, d M Y H:i:s", filemtime($cache_file)) . " GMT";
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if ( isset($_SERVER['HTTP_IF_MODIFIED_SINCE']) && $_SERVER['HTTP_IF_MODIFIED_SINCE'] == $mtime ) {
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header('HTTP/1.1 304 Not Modified');
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exit;
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}
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header("Last-Modified: " . $mtime);
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header("Cache-Control: must-revalidate", false);
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$content = getFileContents( $cache_file );
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if ( '.gz' == $cache_ext )
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header( 'Content-Encoding: gzip' );
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echo $content;
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exit;
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}
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foreach ( $initArray as $k => $v )
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$mce_options .= $k . ':"' . $v . '",';
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$mce_options = rtrim( trim($mce_options), '\n\r,' );
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// Pre-init settings
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$content = 'var tinyMCEPreInit = { base : "'. $baseurl .'", suffix : "", query : "ver=3201", mceInit : {' . $mce_options . '}};' . "\n";
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// Load patch
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$content .= getFileContents( 'tiny_mce_ext.js' );
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// Add core
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$content .= getFileContents( 'tiny_mce.js' );
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// Add all languages (WP)
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include_once( dirname(__FILE__).'/langs/wp-langs.php' );
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$content .= $strings;
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// Add themes
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$content .= getFileContents( 'themes/' . $theme . '/editor_template.js' );
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// Add plugins
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foreach ( $plugins as $plugin )
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$content .= getFileContents( 'plugins/' . $plugin . '/editor_plugin.js' );
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// Add external plugins
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$content .= $ext_plugins;
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// Mark translations as done
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$content .= 'tinyMCEPreInit.start();' . "\n";
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// Init
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$content .= 'tinyMCE.init(tinyMCEPreInit.mceInit);';
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// Generate GZIP'd content
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if ( '.gz' == $cache_ext ) {
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header('Content-Encoding: gzip');
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$content = gzencode( $content, 9, FORCE_GZIP );
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}
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// Stream to client
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echo $content;
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// Write file
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if ( '' != $cacheKey && is_dir($cache_path) && is_readable($cache_path) ) {
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$old_cache = array();
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$handle = opendir($cache_path);
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while ( false !== ( $file = readdir($handle) ) ) {
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if ( $file == '.' || $file == '..' ) continue;
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$old_cache[] = filemtime("$cache_path/$file") . strval($file);
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}
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closedir($handle);
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rsort($old_cache);
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if ( 1 >= $old_cache_max ) $del_cache = $old_cache;
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else $del_cache = array_slice( $old_cache, ($old_cache_max - 1) );
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foreach ( $del_cache as $key ) {
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$key = substr($key, 10);
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@unlink("$cache_path/$key");
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}
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putFileContents( $cache_file, $content );
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}
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?>
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