고수님들의 도움을 요청합니다. ^^

Warning: oci_connect() [function.oci-connect]: OCIEnvNlsCreate() failed. There is something wrong with your system - please check that ORACLE_HOME is set and points to the right directory in /test.php on line 114
이와 같은 에러가 나타났습니다. 

여기저기 사이트의 Q&A 자료를 보고 이것저것 해보았으나 잘 되지가 않습니다.ㅠㅠ
고수님들의 도움을 구하고자 합니다.

-----------------------------------------------------------------------------------
저의 서버 환경입니다.
httpd-2.2.0/  libxml2-2.6.23 /php-5.1.2
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.bash_profile
PATH=$PATH:$HOME/bin
PATH=/bin:/usr/bin:/usr/local/bin:/usr/local/bin/X11:/usr/X11R6/bin
PATH=./:$PATH:$HOME/bin
export PATH
unset USERNAME
#export LANG=en_US
#export LANGVAR=en_US

export LANG=KOREAN_KOREA.KO16KSC5601
export LANGVAR=KOREAN_KOREA.KO16KSC5601
export ORACLE_BASE=/DB/app/oracle
export ORACLE_HOME=$ORACLE_BASE
export LD_LIBRARY_PATH=$ORACLE_HOME/lib:$LD_LIBRARY_PATH
export ORACLE_SID=oracleh
export PATH=$ORACLE_HOME/bin:$PATH
export NLS_LANG=KOREAN_KOREA.KO16KSC5601
export TNS_ADMIN=$ORACLE_HOME/network/admin
export LD_ASSUME_KERNEL=2.4.1
export ORA_NLS33=$ORACLE_HOME/ocommon/nls/admin/data

export NLS_DATE_FORMAT='YYYY-MM-DD';
export NLS_TIMESTAMP_FORMAT='YYYY-MM-DD HH24:MI:SSXFF'
export NLS_TIMESTAMP_TZ_FORMAT='YYYY-MM-DD HH24:MI:SSXFF TZR'

------------------------------------------------------------------------------------------------------
 echo $PATH
/DB/app/oracle/bin:./:/bin:/usr/bin:/usr/local/bin:/usr/local/bin/X11:/usr/X11R6/bin:/home/oracle/bin

------------------------------------------------------------------------------------------------------
oci8
OCI8 Support  enabled 
Revision  $Revision: 1.269.2.8 $ 
Active Persistent Connections  0 
Active Connections  0 
Oracle Version  9.2 
Compile-time ORACLE_HOME  /DB/app/oracle 
Libraries Used  no value 
Temporary Lob support  enabled 
Collections support  enabled