Compatibility checker functions

bootstrap-compat.php

<?php

add_action( 'plugins_loaded', 'compat_checker_deactivate' );
/**
 * Description of expected behavior.
 *
 * @since 1.0.0
 *
 * @return void
 */
function compat_checker_deactivate() {
	if ( ! compat_checker_is_compatible() ) {
		add_action( 'admin_init', 'compat_checker_deactivate_plugin' );
		add_action( 'admin_notices', 'compat_checker_deactivate_notice' );
	}
}

/**
 * Description of expected behavior.
 *
 * @since 1.0.0
 *
 * @return void
 */
function compat_checker_deactivate_plugin() {
	deactivate_plugins( plugin_basename( plugin_dir_path( __DIR__ ) . '/compat-checker.php' ) );
}

/**
 * Description of expected behavior.
 *
 * @since 1.0.0
 *
 * @return void
 */
function compat_checker_deactivate_notice() {
	echo '<div class="notice notice-warning"><p>' . wp_kses_post( compat_checker_deactivate_message() ) . '</p></div>';
}

/**
 * Description of expected behavior.
 *
 * @since 1.0.0
 *
 * @return bool
 */
function compat_checker_deactivate_message() {

	if ( version_compare( PHP_VERSION, '5.4', '<' ) ) {

		// Translators: 1 is the required PHP version and 2 is the user's current version.
		return sprintf(
			__( 'The <strong>Compat Checker</strong> plugin requires at least PHP version %1$s to run. This site uses %2$s, so the plugin has been <strong>deactivated</strong>.', 'compat-checker' ),
			'5.4',
			PHP_VERSION
		);

	} elseif ( version_compare( $GLOBALS['wp_version'], '5.0.0', '<' ) ) {

		// Translators: 1 is the required WordPress version and 2 is the user's current version.
		return sprintf(
			__( 'The <strong>Compat Checker</strong> plugin requires at least WordPress version %1$s. You are running version %2$s, so the plugin has been <strong>deactivated</strong>.', 'compat-checker' ),
			'5.0.0',
			$GLOBALS['wp_version']
		);

	} elseif ( 'Genesis' !== wp_get_theme()->parent()->Name ) {

		return sprintf(
			__( 'Sorry, you cannot run the <strong>Compat Checker</strong> plugin without an active Genesis child theme. Please install and activate a Genesis child theme and try again.', 'compat-checker' )
		);

	} elseif ( version_compare( wp_get_theme()->parent()->Version, '2.8.0', '<' ) ) {

		// Translators: 1 is the required Genesis version and 2 is the user's current version.
		return sprintf(
			__( 'The <strong>Compat Checker</strong> plugin requires at least Genesis version %1$s. You are running version %2$s so the plugin has been <strong>deactivated</strong>.', 'compat-checker' ),
			'2.8.0',
			wp_get_theme()->parent()->Version
		);

	}

	return false;
}

/**
 * Description of expected behavior.
 *
 * @since 1.0.0
 *
 * @return bool
 */
function compat_checker_is_compatible() {
	return compat_checker_deactivate_message() === false ? true : false;
}