This is in the changelog for pecl trader extension version 0.4.1. Previous versions used 2 arguments, now only one (see https://pecl.php.net/package-changelog.php?package=trader&release=0.4.1)
This is in the changelog for pecl trader extension version 0.4.1. Previous versions used 2 arguments, now only one (see https://pecl.php.net/package-changelog.php?package=trader&release=0.4.1)