Notice: Use of undefined constant INF - assumed 'INF' in /in/q8OPM on line 2
string(3) "INF"
Notice: Use of undefined constant INF - assumed 'INF' in /in/q8OPM on line 3
int(0)
Notice: Use of undefined constant INF - assumed 'INF' in /in/q8OPM on line 4
bool(false)