file = realpath( $file );
$this->versions = wp_parse_args( $versions, array(
'php' => static::MIN_PHP_VERSION,
'wordpress' => static::MIN_WORDPRESS_VERSION,
));
}
/**
* @return bool
*/
public function canProceed()
{
if( $this->isValid() ) {
return true;
}
add_action( 'activated_plugin', array( $this, 'deactivate' ));
add_action( 'admin_notices', array( $this, 'deactivate' ));
return false;
}
/**
* @return bool
*/
public function isPhpValid()
{
return !version_compare( PHP_VERSION, $this->versions['php'], '<' );
}
/**
* @return bool
*/
public function isValid()
{
return $this->isPhpValid() && $this->isWpValid();
}
/**
* @return bool
*/
public function isWpValid()
{
global $wp_version;
return !version_compare( $wp_version, $this->versions['wordpress'], '<' );
}
/**
* @param string $plugin
* @return void
*/
public function deactivate( $plugin )
{
if( $this->isValid() )return;
$pluginSlug = plugin_basename( $this->file );
if( $plugin == $pluginSlug ) {
$this->redirect(); //exit
}
$pluginData = get_file_data( $this->file, array( 'name' => 'Plugin Name' ), 'plugin' );
deactivate_plugins( $pluginSlug );
$this->printNotice( $pluginData['name'] );
}
/**
* @return array
*/
protected function getMessages()
{
return array(
__( 'The %s plugin was deactivated.', 'blackbar' ),
__( 'This plugin requires %s or greater in order to work properly.', 'blackbar' ),
__( 'Please contact your hosting provider or server administrator to upgrade the version of PHP on your server (your server is running PHP version %s), or try to find an alternative plugin.', 'blackbar' ),
__( 'PHP version', 'blackbar' ),
__( 'WordPress version', 'blackbar' ),
__( 'Update WordPress', 'blackbar' ),
__( 'You can use the %s plugin to restore %s to the previous version.', 'blackbar' ),
);
}
/**
* @param string $pluginName
* @return void
*/
protected function printNotice( $pluginName )
{
$noticeTemplate = '';
$messages = $this->getMessages();
$rollbackMessage = sprintf( ''.$messages[6].'', 'WP Rollback', $pluginName );
if( !$this->isPhpValid() ) {
printf( $noticeTemplate,
sprintf( $messages[0], $pluginName ),
sprintf( $messages[1], $messages[3].' '.$this->versions['php'] ),
sprintf( $messages[2], PHP_VERSION ).''.$rollbackMessage
);
}
else if( !$this->isWpValid() ) {
printf( $noticeTemplate,
sprintf( $messages[0], $pluginName ),
sprintf( $messages[1], $messages[4].' '.$this->versions['wordpress'] ),
$rollbackMessage.'
'.sprintf( '%s', admin_url( 'update-core.php' ), $messages[5] )
);
}
}
/**
* @return void
*/
protected function redirect()
{
wp_safe_redirect( self_admin_url( sprintf( 'plugins.php?plugin_status=%s&paged=%s&s=%s',
filter_input( INPUT_GET, 'plugin_status' ),
filter_input( INPUT_GET, 'paged' ),
filter_input( INPUT_GET, 's' )
)));
exit;
}
}