slideshow_id = $slideshow_id;
$this->options = get_site_option('metaslider_systemcheck');
}
/**
* Check the system
*/
public function check()
{
$this->dismissMessages();
$this->checkMaxInputVars();
$this->checkWordPressVersion();
$this->checkImageLibrary();
$this->checkRoleScoper();
// $this->checkWpFooter();
$this->updateSystemCheck();
}
/**
* Disable a message
*/
private function dismissMessages()
{
if (isset($_REQUEST['dismissMessage']) && isset($_REQUEST['_wpnonce'])) {
$nonce = sanitize_key($_REQUEST['_wpnonce']);
$key = sanitize_key($_REQUEST['dismissMessage']);
if (wp_verify_nonce($nonce, "metaslider-dismiss-{$key}")) {
$this->options[$key] = false;
update_site_option('metaslider_systemcheck', $this->options);
}
}
}
/**
* Update our stored messages
*/
private function updateSystemCheck()
{
update_site_option('metaslider_systemcheck', $this->options);
}
/**
* Check if the server can handle saving
*/
private function checkMaxInputVars()
{
if (!isset($_GET['input_vars_error'])) {
return;
}
// max_input_vars is not available < PHP5.3.9
if (version_compare(phpversion(), '5.3.9', '<')) {
return;
}
$max_input_vars = ini_get('max_input_vars'); // phpcs:ignore PHPCompatibility.IniDirectives.NewIniDirectives.max_input_varsFound
$error = sprintf(
__('Your settings might not be saving properly due to a configuration on your server. %s is currently set to %s, but we recommend a setting of 4000. Please see %s for more information. The php.ini file is being loaded from here: %s', 'ml-slider'),
'max_input_vars',
$max_input_vars,
sprintf('%s', __('this article', 'ml-slider')),
'' . php_ini_loaded_file() . ''
);
$this->printMessage($error, 'maxInputVars', 'dismissable');
}
/**
* Check the WordPress version.
*/
private function checkWordPressVersion()
{
if (isset($this->options['wordPressVersion']) && $this->options['wordPressVersion'] === false) {
return;
}
if (!function_exists('wp_enqueue_media')) {
$error = "MetaSlider requires WordPress 3.5 or above. Please upgrade your WordPress installation.";
$this->printMessage($error, 'wordPressVersion');
} else {
$this->options['wordPressVersion'] = false;
}
}
/**
* Check GD or ImageMagick library exists
*/
private function checkImageLibrary()
{
if (isset($this->options['imageLibrary']) && $this->options['imageLibrary'] === false) {
return;
}
if (( !extension_loaded('gd') || !function_exists('gd_info') ) && ( !extension_loaded('imagick') || !class_exists('Imagick') || !class_exists('ImagickPixel') )) {
$error = "MetaSlider requires the GD or ImageMagick PHP extension. Please contact your hosting provider";
$this->printMessage($error, 'imageLibrary');
} else {
$this->options['imageLibrary'] = false;
}
}
/**
* Detect the role scoper plugin
*/
private function checkRoleScoper()
{
if (isset($this->options['roleScoper']) && $this->options['roleScoper'] === false) {
return;
}
if (function_exists('is_plugin_active') && is_plugin_active('role-scoper/role-scoper.php')) {
$access_types = get_option('scoper_disabled_access_types');
if (isset($access_types['front']) && !$access_types['front']) {
$error = 'Role Scoper Plugin Detected. Please go to Roles > Options. Click the Realm Tab, scroll down to "Access Types" and uncheck the "Viewing content (front-end)" setting.';
$this->printMessage($error, 'roleScoper');
}
}
}
/**
* Check the theme has a call to 'wp_footer'
*/
private function checkWpFooter()
{
$current_theme = wp_get_theme();
$theme_name = $current_theme->Template;
$key = 'wpFooter:' . $theme_name;
if (isset($this->options[$key]) && $this->options[$key] === false) {
return;
}
$child_footer = get_stylesheet_directory() . '/footer.php';
$parent_footer = TEMPLATEPATH . '/footer.php';
$theme_type = 'parent';
if (file_exists($child_footer)) {
$theme_type = 'child';
$footer_file = file_get_contents($child_footer);
if (strpos($footer_file, 'wp_footer()')) {
return;
}
} else if (file_exists($parent_footer . '/footer.php')) {
$theme_type = 'parent';
$footer_file = file_get_contents($parent_footer . '/footer.php');
if (strpos($footer_file, 'wp_footer()')) {
return;
}
}
if ($theme_type == 'parent') {
$file_path = $parent_footer;
} else {
$file_path = $child_footer;
}
$error = "Required call to wp_footer() not found in file {$file_path}.
Please check the wp_footer() documentation and make sure your theme has a call to wp_footer() just above the closing tag.";
$this->printMessage($error, $key);
}
/**
* Print a warning message to the screen
*
* @param string $message Warning message to be shown
* @param string $key Message Key
* @param string $style The functional style of the notice
*/
private function printMessage($message, $key, $style = 'dismissable')
{
$nonce = wp_create_nonce("metaslider-dismiss-{$key}");
$message = sprintf('