/**
* Returns themes array
*
* @return array
*/
function w3_get_themes()
{
$themes = array();
$wp_themes = w3tc_get_themes();
foreach ($wp_themes as $wp_theme) {
$theme_key = w3_get_theme_key($wp_theme['Theme Root'], $wp_theme['Template'], $wp_theme['Stylesheet']);
$themes[$theme_key] = $wp_theme['Name'];
}
return $themes;
}
/**
* Returns current theme
*
* @return string
*/
function get_theme()
{
static $theme = null;
if ($theme === null) {
$theme = w3_get_theme_key(get_theme_root(), get_template(), get_stylesheet());
}
return $theme;
}
/**
* Returns config value
*
* @param string $key
* @param mixed $default
* @return mixed
*/
function get($key, $default = null)
{
if (array_key_exists($key, $this->_keys) && array_key_exists($key, $this->_config)) {
$value = $this->_config[$key];
} else {
if ($default === null && array_key_exists($key, $this->_defaults)) {
$value = $this->_defaults[$key];
} else {
$value = $default;
}
}
switch ($key) {
/**
* Check cache engines
*/
case 'pgcache.engine':
case 'dbcache.engine':
case 'minify.engine':
case 'objectcache.engine':
/**
* Legacy support
*/
if ($value == 'file_pgcache') {
$value = 'file_generic';
}
switch (true) {
case $value == 'file_generic' && !w3_can_check_rules():
case $value == 'apc' && !function_exists('apc_store'):
case $value == 'eaccelerator' && !function_exists('eaccelerator_put'):
case $value == 'xcache' && !function_exists('xcache_set'):
case $value == 'wincache' && !function_exists('wincache_ucache_set'):
case $value == 'memcached' && !class_exists('Memcache'):
return 'file';
}
break;
/**
* Check HTML minifier
*/
/**
* Check HTML minifier
*/
case 'minify.html.engine':
if ($value == 'htmltidy' && !class_exists('tidy')) {
return 'html';
}
break;
/**
* Disabled some page cache options when enhanced mode enabled
*/
/**
* Disabled some page cache options when enhanced mode enabled
*/
case 'pgcache.cache.query':
if ($this->get_string('pgcache.engine') == 'file_generic') {
return false;
}
break;
/**
* Set default value to sitemap file
*/
/**
* Set default value to sitemap file
*/
case 'pgcache.prime.sitemap':
if (!$value) {
$value = w3_get_home_url() . '/sitemap.xml';
}
break;
/**
* Disabled minify when PHP5 is not installed
*/
/**
* Disabled minify when PHP5 is not installed
*/
case 'minify.enabled':
if (!W3TC_PHP5) {
return false;
}
break;
/**
* Disable minify rewrite when server rules are not supported
*/
/**
* Disable minify rewrite when server rules are not supported
*/
case 'minify.rewrite':
if (!w3_can_check_rules()) {
return false;
}
break;
/**
* Disable minify options for auto mode
*/
/**
* Disable minify options for auto mode
*/
case 'minify.upload':
if ($this->get_boolean('minify.auto')) {
return false;
}
break;
/**
* Minify groups legacy support
*/
/**
* Minify groups legacy support
*/
case 'minify.js.groups':
case 'minify.css.groups':
/**
* Support <= 0.8.5.2 versions
*/
if (is_array($value) && count($value)) {
$group = current($value);
if (is_array($group) && count($group)) {
$location = current($group);
if (isset($location['files'])) {
if (function_exists('get_theme')) {
$theme = get_theme(get_current_theme());
$theme_key = w3_get_theme_key($theme['Theme Root'], $theme['Template'], $theme['Stylesheet']);
$value = array($theme_key => $value);
return $value;
}
}
}
}
/**
* Support <= 0.9.1.3 versions
*/
$wp_themes = get_themes();
foreach ($value as $theme_key => $templates) {
if (strlen($theme_key) == 5) {
break;
}
foreach ($wp_themes as $wp_theme) {
$wp_theme_key = w3_get_theme_key_legacy($wp_theme['Theme Root'], $wp_theme['Template'], $wp_theme['Stylesheet']);
if ($theme_key == $wp_theme_key) {
$new_theme_key = w3_get_theme_key($wp_theme['Theme Root'], $wp_theme['Template'], $wp_theme['Stylesheet']);
$value[$new_theme_key] = $templates;
unset($theme_key);
break;
}
}
}
break;
/**
* Disable CDN minify when PHP5 is not installed or minify is disabled
*/
/**
* Disable CDN minify when PHP5 is not installed or minify is disabled
*/
case 'cdn.minify.enable':
if (!W3TC_PHP5 || !$this->get_boolean('minify.rewrite') || $this->get_boolean('minify.auto') && !w3_is_cdn_mirror($this->get_string('cdn.engine'))) {
return false;
}
break;
/**
* Check CDN engines
*/
/**
* Check CDN engines
*/
case 'cdn.engine':
/**
* Check for PHP5
*/
if (in_array($value, array('rscf', 'azure')) && !W3TC_PHP5) {
return 'mirror';
}
/**
* Check for CURL
*/
if (in_array($value, array('s3', 'cf', 'cf2', 'rscf')) && !function_exists('curl_init')) {
return 'mirror';
}
/**
* Check for FTP
*/
if ($value == 'ftp' && !function_exists('ftp_connect')) {
return 'mirror';
}
/**
* Check for SHA 256 functions
*/
if ($value == 'netdna' && !function_exists('hash') && !function_exists('mhash')) {
return 'mirror';
}
break;
/**
* Disable no 404 wp feature when server rules are not supported
*/
/**
* Disable no 404 wp feature when server rules are not supported
*/
case 'browsercache.no404wp':
if (!w3_can_check_rules()) {
return false;
}
break;
}
return $value;
}
