Include new PHP versions in list, and only show unsupported versions as necessary.

Author: Felix Arntz

wpengine-phpcompat.php

@@ -65,14 +65,30 @@ public static function init() {
 	 * Return an array of available PHP versions to test.
 	 */
 	function get_phpversions() {
-
-		return apply_filters( 'phpcompat_phpversions', array(
+		$versions = array(
+			'PHP 7.2' => '7.2',
+			'PHP 7.1' => '7.1',
 			'PHP 7.0' => '7.0',
-			'PHP 5.6' => '5.6',
-			'PHP 5.5' => '5.5',
-			'PHP 5.4' => '5.4',
-			'PHP 5.3' => '5.3',
-		));
+		);
+
+		$old_versions = array( '5.6', '5.5', '5.4', '5.3' );
+
+		while ( ! empty( $old_versions ) ) {
+			$oldest = array_pop( $old_versions );
+
+			if ( version_compare( phpversion(), $oldest, '<' ) ) {
+				array_push( $old_versions, $oldest );
+
+				foreach ( $old_versions as $old_version ) {
+					$old_version_label = "PHP {$old_version}";
+
+					$versions[ $old_version_label ] = $old_version;
+				}
+				break;
+			}
+		}
+
+		return apply_filters( 'phpcompat_phpversions', $versions );
 	}
 
 	/**