skip deserialization of S&R objects that return TypeErrors

Author: MarkBerube

src/WP_CLI/SearchReplacer.php

@@ -83,12 +83,24 @@ private function run_recursively( $data, $serialised, $recursion_level = 0, $vis
 				}
 			}
 
-			// The error suppression operator is not enough in some cases, so we disable
-			// reporting of notices and warnings as well.
-			$error_reporting = error_reporting();
-			error_reporting( $error_reporting & ~E_NOTICE & ~E_WARNING );
-			$unserialized = is_string( $data ) ? @unserialize( $data ) : false;
-			error_reporting( $error_reporting );
+			try {
+				// The error suppression operator is not enough in some cases, so we disable
+				// reporting of notices and warnings as well.
+				$error_reporting = error_reporting();
+				error_reporting( $error_reporting & ~E_NOTICE & ~E_WARNING );
+				$unserialized = is_string( $data ) ? @unserialize( $data ) : false;
+				error_reporting($error_reporting);
+			} catch (\TypeError $e) {
+				// catch incompatible deserialized object type conversions between different PHP versions and skip them
+				\WP_CLI::warning(
+					sprintf(
+						'Skipping an inconvertible serialized object: "%s", replacements might not be complete.',
+						$data
+					)
+				);
+
+				$unserialized = false;
+			}
 
 			if ( false !== $unserialized ) {
 				$data = $this->run_recursively( $unserialized, true, $recursion_level + 1 );