Fatal error: Uncaught Error: Call to undefined function each() in /in/soIIu:4
Stack trace:
#0 {main}
thrown in /in/soIIu on line 4
Process exited with code 255.
Deprecated: The each() function is deprecated. This message will be suppressed on further calls in /in/soIIu on line 4
string(7) "10 => 1"
string(8) "ten => 2"