[DependencyInjection] Prevent service:method factory notation in PHP config#24732

Merged

nicolas-grekas merged 1 commit intosymfony:3.4from

vudaltsov:di-php-string-factory-fix

Nov 17, 2017

Commits on Nov 17, 2017

Throw on service:method factory notation in PHP-based DI configuration
vudaltsov
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