<?php class PMXI_Installer { const MIN_PHP_VERSION = "5.3.0"; const WRONG_PHP_VERSION_MESSAGE = "WP All Import requires PHP %1s or greater, you are using PHP %2s. Please contact your host and tell them to update your server to at least PHP %1s."; public function checkActivationConditions() { if (version_compare(phpversion(), self::MIN_PHP_VERSION , "<")) { $this->error(sprintf( self::WRONG_PHP_VERSION_MESSAGE, self::MIN_PHP_VERSION, phpversion(), self::MIN_PHP_VERSION )); } } private function error($message){ $message = __($message); $error = <<<EOT <style type="text/css"> body, html { margin: 0; padding: 0; } </style> <div class="error"> <p style="padding-left:2px; font-size:13px; color: #444; font-family: 'Open Sans',sans-serif; -webkit-font-smoothing: subpixel-antialiased;"> $message </p> </div> EOT; echo $error; die; } }