[horde] Call to undefined function: getmethod ?!

[hatim]

Hello All

Im trying to install horde-2003-02-18.tar.gz and imp-3.2-RC3.tar.gz or imp-3.1.tar.gz
in my redhat 8.0  with apache and php 

i have this fatal error when i'm trying to log in http://localhost/horde/imp/login.php

Notice: Use of undefined constant SORTARRIVAL - assumed 'SORTARRIVAL' in /usr/local/logiciel/php/horde/imp/config/prefs.php on line 228
Notice: Use of undefined constant SORTARRIVAL - assumed 'SORTARRIVAL' in /usr/local/logiciel/php/horde/imp/config/prefs.php on line 232
Notice: Use of undefined constant SORTDATE - assumed 'SORTDATE' in /usr/local/logiciel/php/horde/imp/config/prefs.php on line 233
Notice: Use of undefined constant SORTFROM - assumed 'SORTFROM' in /usr/local/logiciel/php/horde/imp/config/prefs.php on line 234
Notice: Use of undefined constant SORTSUBJECT - assumed 'SORTSUBJECT' in /usr/local/logiciel/php/horde/imp/config/prefs.php on line 235
Notice: Use of undefined constant SORTSIZE - assumed 'SORTSIZE' in /usr/local/logiciel/php/horde/imp/config/prefs.php on line 236

Fatal error: Call to undefined function: getmethod() in /usr/local/logiciel/php/horde/imp/lib/base.php on line 75


Some additional infos about my system :

## rpm -qa | grep httpd

httpd-manual-2.0.40-11
httpd-devel-2.0.40-11
redhat-config-httpd-1.0.1-13
httpd-2.0.40-11

## rpm -qa | grep php 

php-devel-4.2.2-8.0.7
php-manual-4.2.2-8.0.7
php-snmp-4.2.2-8.0.7
php-4.2.2-8.0.7
php-imap-4.2.2-8.0.7
php-ldap-4.2.2-8.0.7
php-mysql-4.2.2-8.0.7
php-pgsql-4.2.2-8.0.7
php-odbc-4.2.2-8.0.7

i have 
## ls  /usr/lib/php4/ 
imap.so  ldap.so  mysql.so  odbc.so  pgsql.so  snmp.so


but when i use  http://localhost/horde/test.php

i have all ok : but just 

PHP Module Capabilities
Ctype Support: Yes 
DOM XML Support: Yes 
FTP Support: Yes 
Gettext Support: Yes 
Iconv Support: Yes 
IMAP Support: No 
LDAP Support: No 
Mbstring Support: No 
MCAL Support: No 
Mcrypt Support: No 
MIME Magic Support: N/A 
MySQL Support: Yes 
OpenSSL Support: Yes 
PostgreSQL Support: No 
XML Support: Yes 

php was compiling with

 './configure' '--host=i686-pc-linux-gnu' '--build=i686-pc-linux-gnu' '--target=i386-redhat-linux-gnu' '--program-prefix=' '--prefix=/usr' '--exec-prefix=/usr' '--bindir=/usr/bin' '--sbindir=/usr/sbin' '--sysconfdir=/etc' '--datadir=/usr/share' '--includedir=/usr/include' '--libdir=/usr/lib' '--libexecdir=/usr/libexec' '--localstatedir=/var' '--sharedstatedir=/usr/com' '--mandir=/usr/share/man' '--infodir=/usr/share/info' '--prefix=/usr' '--with-config-file-path=/etc' '--enable-force-cgi-redirect' '--disable-debug' '--enable-pic' '--disable-rpath' '--enable-inline-optimization' '--with-bz2' '--with-db3' '--with-curl' '--with-dom=/usr' '--with-exec-dir=/usr/bin' '--with-freetype-dir=/usr' '--with-png-dir=/usr' '--with-gd' '--enable-gd-native-ttf' '--with-ttf' '--with-gdbm' '--with-gettext' '--with-ncurses' '--with-gmp' '--with-iconv' '--with-jpeg-dir=/usr' '--with-openssl' '--with-png' '--with-pspell' '--with-regex=system' '--with-xml' '--with-expat-dir=/usr' '--with-zlib' '--with-layout=GNU' '--enable-bcmath' '--enable-exif' '--enable-ftp' '--enable-magic-quotes' '--enable-safe-mode' '--enable-sockets' '--enable-sysvsem' '--enable-sysvshm' '--enable-discard-path' '--enable-track-vars' '--enable-trans-sid' '--enable-yp' '--enable-wddx' '--without-oci8' '--with-pear=/usr/share/pear' '--with-imap=shared' '--with-imap-ssl' '--with-kerberos=/usr/kerberos' '--with-ldap=shared' '--with-mysql=shared,/usr' '--with-pgsql=shared' '--with-snmp=shared,/usr' '--with-snmp=shared' '--enable-ucd-snmp-hack' '--with-unixODBC=shared' '--enable-memory-limit' '--enable-bcmath' '--enable-shmop' '--enable-versioning' '--enable-calendar' '--enable-dbx' '--enable-dio' '--enable-mcal' '--with-apxs2=/usr/sbin/apxs' 

thank you a lot 

Hatim