Create an API key or password with PHP

A simple way to generate an API key

$b = rand();
echo "Type 1 Key: ". base64_encode($b) . "\n";
echo "Type 2 Key: ". sha1($b) . "\n";

Output

Type 1 Key: NTcwMTQyODc5
Type 2 Key: eb9ded6eab70df20dd949c62099295a673985ab6