How to fix «Parse error: syntax error, unexpected '?'» in PHP?

dmitrii_fediuk · February 5, 2018, 5:56pm

E.g.:

Parse error: syntax error, unexpected '?' in vendor/zendframework/zend-code/src/Reflection/DocBlock/Tag/VarTag.php on line 69

dmitrii_fediuk · February 5, 2018, 6:03pm

You need PHP >= 7.1.

PHP RFC: Nullable Types
wiki.php.net/rfc/nullable_types#php_version
«PHP Manual» → «Appendices» → «Migrating from PHP 7.0.x to PHP 7.1.x» → «New features» → «Nullable types»