tutors_materialsarray(3) {
  [0]=>
  string(40) "http://onlinelanguage.info/?page_id=5486"
  [1]=>
  string(40) "http://onlinelanguage.info/?page_id=5482"
  [2]=>
  string(40) "http://onlinelanguage.info/?page_id=5481"
}