'3.0.0',
'filename' => __FILE__,
'path' => dirname(__FILE__),
'autoloader' => dirname(__FILE__) . '/vendor/autoload.php',
'initializer' => dirname(__FILE__) . '/mailpoet_initializer.php'
);
function mailpoet_deactivate_plugin() {
deactivate_plugins(plugin_basename(__FILE__));
if(!empty($_GET['activate'])) {
unset($_GET['activate']);
}
}
// Check for minimum supported PHP version
if(version_compare(phpversion(), '5.3.3', '<')) {
add_action('admin_notices', 'mailpoet_php_version_notice');
// deactivate the plugin
add_action('admin_init', 'mailpoet_deactivate_plugin');
return;
}
// Display PHP version error notice
function mailpoet_php_version_notice() {
$notice = str_replace(
'[link]',
'',
__('MailPoet plugin requires PHP version 5.3.3 or newer. Please read our [link]instructions[/link] on how to resolve this issue.', 'mailpoet')
);
$notice = str_replace('[/link]', '', $notice);
printf('', $notice);
}
if(isset($_SERVER['SERVER_SOFTWARE']) && strpos(strtolower($_SERVER['SERVER_SOFTWARE']), 'microsoft-iis') !== false) {
add_action('admin_notices', 'mailpoet_microsoft_iis_notice');
// deactivate the plugin
add_action('admin_init', 'mailpoet_deactivate_plugin');
return;
}
// Display IIS server error notice
function mailpoet_microsoft_iis_notice() {
$notice = __("MailPoet plugin cannot run under Microsoft's Internet Information Services (IIS) web server. We recommend that you use a web server powered by Apache or NGINX.", 'mailpoet');
printf('', $notice);
}
// Check for presence of core dependencies
if(!file_exists($mailpoet_plugin['autoloader']) || !file_exists($mailpoet_plugin['initializer'])) {
add_action('admin_notices', 'mailpoet_core_dependency_notice');
// deactivate the plugin
add_action('admin_init', 'mailpoet_deactivate_plugin');
return;
}
// Display missing core dependencies error notice
function mailpoet_core_dependency_notice() {
$notice = __('MailPoet cannot start because it is missing core files. Please reinstall the plugin.', 'mailpoet');
printf('', $notice);
}
// Initialize plugin
require_once($mailpoet_plugin['initializer']);