[PHP] PEAR installation location?

I need to upgrade the PEAR files for my PHP installation. Currently PHP is compiled as a Dynamic Shared Object (DSO) for Apache. I've found three copies of the PEAR.PHP file on my system /usr/share/php/PEAR.php /usr/lib/php/PEAR.php /usr/local/lib/php/PEAR.php how can I tell which one is bein

[PHP] error compiling LDAP support into PHP, causes Apache to crash.

Could someone glance at my situation and the enclosed PHP error log snippet and give me an idea as to where to procede? I'm pretty stuck. Stats: OS: Linux (RH 7.1) Apache 3.19 Have latest openLDAP and Berkeley DB 3 Installed with no build errors (/usr/local;/usr/local/BerkeleyDB.3.3) My PHP c