PHP code - 1 line

Link:

PHP, pasted on Jul 21:

1	_0<?for(;$a++^9?$a^q:$a=A;)echo" $a"\|$a;

Output:

1	_0123456789aAbBcCdDeEfFgGhHiIjJkKlLmMnNoOpPqQrRsStTuUvVwWxXyYzZ