-- Iteration 9 --
string(19) "element10.5element2"
-- Iteration 10 --
-The first argument must be string
+The first argument must be a string
-- Iteration 11 --
-The first argument must be string
+The first argument must be a string
-- Iteration 12 --
-The first argument must be string
+The first argument must be a string
-- Iteration 13 --
-The first argument must be string
+The first argument must be a string
-- Iteration 14 --
-The first argument must be string
+The first argument must be a string
-- Iteration 15 --
string(17) "element11element2"
-- Iteration 16 --
Warning: Array to string conversion in %s on line %d
string(27) "ArrayTESTArrayTESTPHPTEST50"
-The first argument must be string
+The first argument must be a string
Warning: Array to string conversion in %s on line %d