thanks

There was a typo in a reference solution. Corrected now, your solution works. Give it a try. Thanks for your post.

In PHP version, on testSelfieRotRandom it expects string Array as second part

Failed asserting that two strings are equal.
Expected: 'jwdaIzgzubMoRyTU................
viiLhGjdBohRTAEP................
KYGkvcvJKMarTglW................
TpgpqixJqZZLhPnO................
IIERphStNzJedjFY................
bceAtfYuRxgrwaYp................
fFMDnsIXhbyxUVWS................
EmEXZdCiXyDptqxS................
gSTcfBIsubOVcyUb................
UMkhWxslHkEdSHrp................
eaRdpTRUSUmfasWe................
JpmPUJnKkDEBvXcU................
gndukJIezPRilFhz................
jgPkfynhlqOQdOVz................
aTHPYbrYgGNvSdXu................
ioRcSbMmpOpUSVAo................
Array'
Actual  : 'jwdaIzgzubMoRyTU................
viiLhGjdBohRTAEP................
KYGkvcvJKMarTglW................
TpgpqixJqZZLhPnO................
IIERphStNzJedjFY................
bceAtfYuRxgrwaYp................
fFMDnsIXhbyxUVWS................
EmEXZdCiXyDptqxS................
gSTcfBIsubOVcyUb................
UMkhWxslHkEdSHrp................
eaRdpTRUSUmfasWe................
JpmPUJnKkDEBvXcU................
gndukJIezPRilFhz................
jgPkfynhlqOQdOVz................
aTHPYbrYgGNvSdXu................
ioRcSbMmpOpUSVAo................
................oAVSUpOpmMbScRoi
................uXdSvNGgYrbYPHTa
................zVOdQOqlhnyfkPgj
................zhFliRPzeIJkudng
................UcXvBEDkKnJUPmpJ
................eWsafmUSURTpdRae
................prHSdEkHlsxWhkMU
................bUycVObusIBfcTSg
................SxqtpDyXiCdZXEmE
................SWVUxybhXIsnDMFf
................pYawrgxRuYftAecb
................YFjdeJzNtShpREII
................OnPhLZZqJxiqpgpT
................WlgTraMKJvcvkGYK
................PEATRhoBdjGhLiiv
................UTyRoMbuzgzIadwj'