Envato wordpress toolkit

Hi, I am running an online store, for some reason I tried to raise my memory limit at wp-config.php, then my site went blank, I then deleted my code but the site is still blank, and this is the error i got from error log:

PHP Fatal error: Allowed memory size of 33554432 bytes exhausted (tried to allocate 7680 bytes) in /home/appowers/public_html…

So eventually me and my friend figured out something, and we created a php.ini with code

<?php memory_limit = 128M at root directory and also wp-admin, then everything is running okay now. But now when i browsing at my site and admin dashboard, this error came up at top of the page: Warning: set_time_limit() [function.set-time-limit]: Cannot set time limit in safe mode in /home/appowers/public_html/...... I googled it and it seems like is the safe mode that turn on on my server, i asked my hosting company to turn off the safe mode several times, but the error is still there. Can someone tell me what to do?