first commit

wp-content/plugins/sitepress-multilingual-cms/classes/requirements/WordPress.php

@@ -0,0 +1,23 @@
+<?php
+
+namespace WPML\Requirements;
+
+class WordPress {
+
+	public static function checkMinimumRequiredVersion() {
+		if ( version_compare( $GLOBALS['wp_version'], 4.4, '<' ) ) {
+			add_action( 'admin_notices', [ __CLASS__, 'displayMissingVersionRequirementNotice' ] );
+			return false;
+		}
+
+		return true;
+	}
+
+	public static function displayMissingVersionRequirementNotice() {
+		?>
+		<div class="error">
+			<p><?php esc_html_e( 'WPML is disabled because it requires WordPress version 4.4 or above.', 'sitepress' ); ?></p>
+		</div>
+		<?php
+	}
+}