If I leave out the wp_die() in the testiframe function I get the ‘0’ appended to my output. If I put it in, the page w/ iframe linked to it crashes

If I leave out the wp_die() in the testiframe function I get the ‘0’ appended to my output. If I put it in, the page w/ iframe linked to it crashes

Hata!: SQLSTATE[HY000] [1045] Access denied for user 'divattrend_liink'@'localhost' (using password: YES)