/**
* Returns the dynamic CSS.
* If possible, it also caches the CSS using WordPress transients
*
* @return string the dynamically-generated CSS.
*/
function avada_dynamic_css_cached()
{
/**
* Get the page ID
*/
$c_pageID = Avada()->dynamic_css->page_id();
/**
* do we have WP_DEBUG set to true?
* If yes, then do not cache.
*/
$cache = defined('WP_DEBUG') && WP_DEBUG ? false : true;
/**
* If the dynamic_css_db_caching option is not set
* or set to off, then do not cache.
*/
$cache = $cache && (null == Avada()->settings->get('dynamic_css_db_caching') || !Avada()->settings->get('dynamic_css_db_caching')) ? false : $cache;
/**
* If we're compiling to file, then do not use transients for caching.
*/
/**
* Check if we're using file mode or inline mode.
* This simply checks the dynamic_css_compiler options.
*/
$mode = Avada_Dynamic_CSS::$mode;
/**
* ALWAYS use 'inline' mode when in the customizer.
*/
global $wp_customize;
if ($wp_customize) {
$mode = 'inline';
}
$cache = $cache && 'file' == $mode ? false : $cache;
if ($cache) {
/**
* Build the transient name
*/
$transient_name = $c_pageID ? 'avada_dynamic_css_' . $c_pageID : 'avada_dynamic_css_global';
/**
* Check if the dynamic CSS needs updating
* If it does, then calculate the CSS and then update the transient.
*/
if (Avada_Dynamic_CSS::needs_update()) {
/**
* Calculate the dynamic CSS
*/
$dynamic_css = avada_dynamic_css_parser(avada_dynamic_css_array());
/**
* Append the user-entered dynamic CSS
*/
$dynamic_css .= Avada()->settings->get('custom_css');
/**
* Set the transient for an hour
*/
set_transient($transient_name, $dynamic_css, 60 * 60);
} else {
/**
* Check if the transient exists.
* If it does not exist, then generate the CSS and update the transient.
*/
if (false === ($dynamic_css = get_transient($transient_name))) {
/**
* Calculate the dynamic CSS
*/
$dynamic_css = avada_dynamic_css_parser(avada_dynamic_css_array());
/**
* Append the user-entered dynamic CSS
*/
$dynamic_css .= Avada()->settings->get('custom_css');
/**
* Set the transient for an hour
*/
set_transient($transient_name, $dynamic_css, 60 * 60);
}
}
} else {
/**
* Calculate the dynamic CSS
*/
$dynamic_css = avada_dynamic_css_parser(avada_dynamic_css_array());
/**
* Append the user-entered dynamic CSS
*/
$dynamic_css .= Avada()->settings->get('custom_css');
}
return $dynamic_css;
}
/**
* Determine if we're using file mode or inline mode.
*
* @return string file/inline
*/
public static function set_mode()
{
/**
* Check if we're using file mode or inline mode.
* This simply checks the dynamic_css_compiler options.
*/
$mode = Avada()->settings->get('dynamic_css_compiler') ? 'file' : 'inline';
//var_dump('first-mode:'.$mode);
//var_dump(self::needs_update());
/**
* Additional checks for file mode.
*/
if ('file' == $mode && self::needs_update()) {
/**
* Only allow processing 1 file every 5 seconds.
*/
$current_time = (int) time();
$last_time = (int) get_option('avada_dynamic_css_time');
//var_dump('current-time:' . ( $current_time - $last_time ));
if (5 <= $current_time - $last_time) {
//var_dump('inside the clt');
/**
* If it's been more than 5 seconds since we last compiled a file
* then attempt to write to the file.
* If the file-write succeeds then set mode to 'file'.
* If the file-write fails then set mode to 'inline'.
*/
$mode = self::can_write() && self::make_css() ? 'file' : 'inline';
/**
* If the file exists then set mode to 'file'
* If it does not exist then set mode to 'inline'.
*/
if ('file' == $mode) {
$mode = file_exists(self::file('path')) ? 'file' : 'inline';
}
} else {
/**
* It's been less than 5 seconds since we last compiled a CSS file
* In order to prevent server meltdowns on weak servers we'll use inline mode instead.
*/
$mode = 'inline';
}
}
//var_dump('second-mode:'.$mode);
self::$mode = $mode;
}
/**
* Determine if we're using file mode or inline mode.
*
* @return string file/inline
*/
public static function set_mode()
{
// Check if we're using file mode or inline mode.
// This simply checks the dynamic_css_compiler options.
$mode = Avada()->settings->get('dynamic_css_compiler') ? 'file' : 'inline';
// ALWAYS use 'inline' mode when in the customizer.
global $wp_customize;
if ($wp_customize) {
return 'inline';
}
// Additional checks for file mode.
if ('file' == $mode && self::needs_update()) {
// Only allow processing 1 file every 5 seconds.
$current_time = (int) time();
$last_time = (int) get_option('avada_dynamic_css_time');
if (5 <= $current_time - $last_time) {
// If it's been more than 5 seconds since we last compiled a file
// then attempt to write to the file.
// If the file-write succeeds then set mode to 'file'.
// If the file-write fails then set mode to 'inline'.
$mode = self::can_write() && self::make_css() ? 'file' : 'inline';
// If the file exists then set mode to 'file'
// If it does not exist then set mode to 'inline'.
if ('file' == $mode) {
$mode = file_exists(self::file('path')) ? 'file' : 'inline';
}
} else {
// It's been less than 5 seconds since we last compiled a CSS file
// In order to prevent server meltdowns on weak servers we'll use inline mode instead.
$mode = 'inline';
}
}
self::$mode = $mode;
}
