Avoid feeding null to trim (#966)
Avoid feeding null to trim (#966)

It is deprecated as of php 7.2
Th3Mouk/SonataPageBundle,sonata-project/SonataPageBundle,Th3Mouk/SonataPageBundle,sonata-project/SonataPageBundle,Th3Mouk/SonataPageBundle,Th3Mouk/SonataPageBundle