Get hashed cache file name with sha-256
Get hashed cache file name with sha-256

same as Doctrine FileCache

TimDix/concrete5,TimDix/concrete5,matt9mg/concrete5,TimDix/concrete5,matt9mg/concrete5,avdevs/concrete5,matt9mg/concrete5,MichaelMaar/concrete5,MichaelMaar/concrete5,avdevs/concrete5,MichaelMaar/concrete5,avdevs/concrete5