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oracle connection using php

Robeen
Robeen Member Posts: 2,176 Silver Badge
edited Jul 23, 2020 1:16AM in PHP

target DB: 11.2.0.4.0 oracle 64 bit

Red Hat Enterprise Linux Server release 6.8 (Santiago) 64 bit

source server: red hat 7.8

[[email protected] lampp]# ./lampp version

Version: XAMPP for Linux 7.4.7-0

Hello Team,

I am getting error below when connecting using the form below:

<form name="form1" method="post" action="login.php">

  <label> User Name

  <input type="text" name="nis" id="nis">

  </label>

  <label> Password

  <input type="password" name="password" id="password">

  </label>

  <label>

  <input type="submit" name="submit" id="button" value="Login">

  </label>

</form>

<?php

//create table users (userid varchar2(10), password varchar2(20), constraint pk_users primary key (userid));

//insert into users values('kharis', 'pass123');

$nis = isset($_POST['nis']) == true ? $_POST['nis'] : '';

$password= isset($_POST['password']) == true ? $_POST['password'] : '';

if(empty($nis) or empty($password)){

    echo "UserID Password blank";}

else

{

    $db = "(DESCRIPTION =

        (ADDRESS = (PROTOCOL = TCP)(HOST = rhis-gaia-rpt01.mtg.local)(PORT = 1521))

        (CONNECT_DATA =

          (SERVER = DEDICATED)

          (SERVICE_NAME =migr )

        )

      )" ;

    $connect = oci_connect("migr");

    $query = "SELECT * from users WHERE userid='".$nis."' and password='".$password."'";

    $result = oci_parse($connect, $query);

    oci_execute($result);

    $tmpcount = oci_fetch($result);

    if ($tmpcount==1) {

        echo "Login Success";}

    else

    {

        echo "Login Failed";

    }

}

?>

Fatal error: Uncaught Error: Call to undefined function oci_connect() in /opt/lampp/htdocs/login.php:20 Stack trace: #0 {main} thrown in /opt/lampp/htdocs/login.php on line 20

Kindly help me.

Regards,

Joe

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Answers

  • Christopher Jones-Oracle
    Christopher Jones-Oracle Member Posts: 1,644 Employee
    edited Jul 21, 2020 8:04PM

    The common cause would be that environment variables like LD_LIBRARY_PATH  (and maybe ORACLE_HOME if you have a DB installed on the same computer) are not propagated through the web server.  How you need to set these varies with web servers & web server versions.

    Maybe try adding the variables to /etc/apache2/envvars ?  I found this on https://docs.joomla.org/Configuring_a_LAMPP_server_for_PHP_development/Linux_desktop

    so it may not match what you have installed.

    The next problem could be that you don't have OCI8 installed or enabled in php.ini : check this.

    Robeen
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  • Robeen
    Robeen Member Posts: 2,176 Silver Badge
    edited Jul 22, 2020 6:43AM

    Kindly advise why OCI cannot be found in php info page after I added extension=oci8.so to /opt/lampp/etc/php.ini?

    [[email protected] instantclient_11_2]# echo "instantclient,/opt/oracle/instantclient/instantclient_11_2" | pecl install oci8-2.0.12

    WARNING: channel "pecl.php.net" has updated its protocols, use "pecl channel-update pecl.php.net" to update

    downloading oci8-2.0.12.tgz ...

    Starting to download oci8-2.0.12.tgz (191,954 bytes)

    .........................................done: 191,954 bytes

    11 source files, building

    running: phpize

    Configuring for:

    PHP Api Version:         20100412

    Zend Module Api No:      20100525

    Zend Extension Api No:   220100525

    Please provide the path to the ORACLE_HOME directory. Use 'instantclient,/path/to/instant/client/lib' if you're compiling with Oracle Instant Client [autodetect] : building in /var/tmp/pear-build-oracle0WB3Z4/oci8-2.0.12

    running: /var/tmp/oci8/configure --with-oci8=instantclient,/opt/oracle/instantclient/instantclient_11_2

    checking for grep that handles long lines and -e... /usr/bin/grep

    checking for egrep... /usr/bin/grep -E

    checking for a sed that does not truncate output... /usr/bin/sed

    checking for cc... cc

    checking whether the C compiler works... yes

    checking for C compiler default output file name... a.out

    checking for suffix of executables...

    checking whether we are cross compiling... no

    checking for suffix of object files... o

    checking whether we are using the GNU C compiler... yes

    checking whether cc accepts -g... yes

    checking for cc option to accept ISO C89... none needed

    checking how to run the C preprocessor... cc -E

    checking for icc... no

    checking for suncc... no

    checking whether cc understands -c and -o together... yes

    checking for system library directory... lib

    checking if compiler supports -R... no

    checking if compiler supports -Wl,-rpath,... yes

    checking build system type... x86_64-unknown-linux-gnu

    checking host system type... x86_64-unknown-linux-gnu

    checking target system type... x86_64-unknown-linux-gnu

    checking for PHP prefix... /usr

    checking for PHP includes... -I/usr/include/php -I/usr/include/php/main -I/usr/include/php/TSRM -I/usr/include/php/Zend -I/usr/include/php/ext -I/usr/include/php/ext/date/lib

    checking for PHP extension directory... /usr/lib64/php/modules

    checking for PHP installed headers prefix... /usr/include/php

    checking if debug is enabled... no

    checking if zts is enabled... no

    checking for re2c... no

    configure: WARNING: You will need re2c 0.13.4 or later if you want to regenerate PHP parsers.

    checking for gawk... gawk

    checking for Oracle Database OCI8 support... yes, shared

    checking PHP version... 5.4.16, ok

    checking OCI8 DTrace support... no

    checking size of long int... 8

    checking checking if we're on a 64-bit platform... yes

    checking Oracle Instant Client directory... /opt/oracle/instantclient/instantclient_11_2

    checking Oracle Instant Client SDK header directory... /opt/oracle/instantclient/instantclient_11_2/sdk/include

    checking Oracle Instant Client library version compatibility... 11.1

    checking how to print strings... printf

    checking for a sed that does not truncate output... (cached) /usr/bin/sed

    checking for fgrep... /usr/bin/grep -F

    checking for ld used by cc... /usr/bin/ld

    checking if the linker (/usr/bin/ld) is GNU ld... yes

    checking for BSD- or MS-compatible name lister (nm)... /usr/bin/nm -B

    checking the name lister (/usr/bin/nm -B) interface... BSD nm

    checking whether ln -s works... yes

    checking the maximum length of command line arguments... 1966080

    checking whether the shell understands some XSI constructs... yes

    checking whether the shell understands "+="... yes

    checking how to convert x86_64-unknown-linux-gnu file names to x86_64-unknown-linux-gnu format... func_convert_file_noop

    checking how to convert x86_64-unknown-linux-gnu file names to toolchain format... func_convert_file_noop

    checking for /usr/bin/ld option to reload object files... -r

    checking for objdump... objdump

    checking how to recognize dependent libraries... pass_all

    checking for dlltool... no

    checking how to associate runtime and link libraries... printf %s\n

    checking for ar... ar

    checking for archiver

    checking for strip... strip

    checking for ranlib... ranlib

    checking for gawk... (cached) gawk

    checking command to parse /usr/bin/nm -B output from cc object... ok

    checking for sysroot... no

    checking for mt... no

    checking if : is a manifest tool... no

    checking for dlfcn.h... yes

    checking for objdir... .libs

    checking if cc supports -fno-rtti -fno-exceptions... no

    checking for cc option to produce PIC... -fPIC -DPIC

    checking if cc PIC flag -fPIC -DPIC works... yes

    checking if cc static flag -static works... no

    checking if cc supports -c -o file.o... yes

    checking if cc supports -c -o file.o... (cached) yes

    checking whether the cc linker (/usr/bin/ld -m elf_x86_64) supports shared libraries... yes

    checking whether -lc should be explicitly linked in... no

    checking dynamic linker characteristics... GNU/Linux ld.so

    checking how to hardcode library paths into programs... immediate

    checking whether stripping libraries is possible... yes

    checking if libtool supports shared libraries... yes

    checking whether to build shared libraries... yes

    checking whether to build static libraries... no

    configure: creating ./config.status

    config.status: creating config.h

    config.status: executing libtool commands

    running: make

    /bin/sh /var/tmp/pear-build-oracle0WB3Z4/oci8-2.0.12/libtool --mode=compile cc  -I. -I/var/tmp/oci8 -DPHP_ATOM_INC -I/var/tmp/pear-build-oracle0WB3Z4/oci8-2.0.12/include -I/var/tmp/pear-build-oracle0WB3Z4/oci8-2.0.12/main -I/var/tmp/oci8 -I/usr/include/php -I/usr/include/php/main -I/usr/include/php/TSRM -I/usr/include/php/Zend -I/usr/include/php/ext -I/usr/include/php/ext/date/lib -I/opt/oracle/instantclient/instantclient_11_2/sdk/include  -DHAVE_CONFIG_H  -g -O2   -c /var/tmp/oci8/oci8.c -o oci8.lo

    libtool: compile:  cc -I. -I/var/tmp/oci8 -DPHP_ATOM_INC -I/var/tmp/pear-build-oracle0WB3Z4/oci8-2.0.12/include -I/var/tmp/pear-build-oracle0WB3Z4/oci8-2.0.12/main -I/var/tmp/oci8 -I/usr/include/php -I/usr/include/php/main -I/usr/include/php/TSRM -I/usr/include/php/Zend -I/usr/include/php/ext -I/usr/include/php/ext/date/lib -I/opt/oracle/instantclient/instantclient_11_2/sdk/include -DHAVE_CONFIG_H -g -O2 -c /var/tmp/oci8/oci8.c  -fPIC -DPIC -o .libs/oci8.o

    /bin/sh /var/tmp/pear-build-oracle0WB3Z4/oci8-2.0.12/libtool --mode=compile cc  -I. -I/var/tmp/oci8 -DPHP_ATOM_INC -I/var/tmp/pear-build-oracle0WB3Z4/oci8-2.0.12/include -I/var/tmp/pear-build-oracle0WB3Z4/oci8-2.0.12/main -I/var/tmp/oci8 -I/usr/include/php -I/usr/include/php/main -I/usr/include/php/TSRM -I/usr/include/php/Zend -I/usr/include/php/ext -I/usr/include/php/ext/date/lib -I/opt/oracle/instantclient/instantclient_11_2/sdk/include  -DHAVE_CONFIG_H  -g -O2   -c /var/tmp/oci8/oci8_lob.c -o oci8_lob.lo

    libtool: compile:  cc -I. -I/var/tmp/oci8 -DPHP_ATOM_INC -I/var/tmp/pear-build-oracle0WB3Z4/oci8-2.0.12/include -I/var/tmp/pear-build-oracle0WB3Z4/oci8-2.0.12/main -I/var/tmp/oci8 -I/usr/include/php -I/usr/include/php/main -I/usr/include/php/TSRM -I/usr/include/php/Zend -I/usr/include/php/ext -I/usr/include/php/ext/date/lib -I/opt/oracle/instantclient/instantclient_11_2/sdk/include -DHAVE_CONFIG_H -g -O2 -c /var/tmp/oci8/oci8_lob.c  -fPIC -DPIC -o .libs/oci8_lob.o

    /bin/sh /var/tmp/pear-build-oracle0WB3Z4/oci8-2.0.12/libtool --mode=compile cc  -I. -I/var/tmp/oci8 -DPHP_ATOM_INC -I/var/tmp/pear-build-oracle0WB3Z4/oci8-2.0.12/include -I/var/tmp/pear-build-oracle0WB3Z4/oci8-2.0.12/main -I/var/tmp/oci8 -I/usr/include/php -I/usr/include/php/main -I/usr/include/php/TSRM -I/usr/include/php/Zend -I/usr/include/php/ext -I/usr/include/php/ext/date/lib -I/opt/oracle/instantclient/instantclient_11_2/sdk/include  -DHAVE_CONFIG_H  -g -O2   -c /var/tmp/oci8/oci8_statement.c -o oci8_statement.lo

    libtool: compile:  cc -I. -I/var/tmp/oci8 -DPHP_ATOM_INC -I/var/tmp/pear-build-oracle0WB3Z4/oci8-2.0.12/include -I/var/tmp/pear-build-oracle0WB3Z4/oci8-2.0.12/main -I/var/tmp/oci8 -I/usr/include/php -I/usr/include/php/main -I/usr/include/php/TSRM -I/usr/include/php/Zend -I/usr/include/php/ext -I/usr/include/php/ext/date/lib -I/opt/oracle/instantclient/instantclient_11_2/sdk/include -DHAVE_CONFIG_H -g -O2 -c /var/tmp/oci8/oci8_statement.c  -fPIC -DPIC -o .libs/oci8_statement.o

    /bin/sh /var/tmp/pear-build-oracle0WB3Z4/oci8-2.0.12/libtool --mode=compile cc  -I. -I/var/tmp/oci8 -DPHP_ATOM_INC -I/var/tmp/pear-build-oracle0WB3Z4/oci8-2.0.12/include -I/var/tmp/pear-build-oracle0WB3Z4/oci8-2.0.12/main -I/var/tmp/oci8 -I/usr/include/php -I/usr/include/php/main -I/usr/include/php/TSRM -I/usr/include/php/Zend -I/usr/include/php/ext -I/usr/include/php/ext/date/lib -I/opt/oracle/instantclient/instantclient_11_2/sdk/include  -DHAVE_CONFIG_H  -g -O2   -c /var/tmp/oci8/oci8_collection.c -o oci8_collection.lo

    libtool: compile:  cc -I. -I/var/tmp/oci8 -DPHP_ATOM_INC -I/var/tmp/pear-build-oracle0WB3Z4/oci8-2.0.12/include -I/var/tmp/pear-build-oracle0WB3Z4/oci8-2.0.12/main -I/var/tmp/oci8 -I/usr/include/php -I/usr/include/php/main -I/usr/include/php/TSRM -I/usr/include/php/Zend -I/usr/include/php/ext -I/usr/include/php/ext/date/lib -I/opt/oracle/instantclient/instantclient_11_2/sdk/include -DHAVE_CONFIG_H -g -O2 -c /var/tmp/oci8/oci8_collection.c  -fPIC -DPIC -o .libs/oci8_collection.o

    /bin/sh /var/tmp/pear-build-oracle0WB3Z4/oci8-2.0.12/libtool --mode=compile cc  -I. -I/var/tmp/oci8 -DPHP_ATOM_INC -I/var/tmp/pear-build-oracle0WB3Z4/oci8-2.0.12/include -I/var/tmp/pear-build-oracle0WB3Z4/oci8-2.0.12/main -I/var/tmp/oci8 -I/usr/include/php -I/usr/include/php/main -I/usr/include/php/TSRM -I/usr/include/php/Zend -I/usr/include/php/ext -I/usr/include/php/ext/date/lib -I/opt/oracle/instantclient/instantclient_11_2/sdk/include  -DHAVE_CONFIG_H  -g -O2   -c /var/tmp/oci8/oci8_interface.c -o oci8_interface.lo

    libtool: compile:  cc -I. -I/var/tmp/oci8 -DPHP_ATOM_INC -I/var/tmp/pear-build-oracle0WB3Z4/oci8-2.0.12/include -I/var/tmp/pear-build-oracle0WB3Z4/oci8-2.0.12/main -I/var/tmp/oci8 -I/usr/include/php -I/usr/include/php/main -I/usr/include/php/TSRM -I/usr/include/php/Zend -I/usr/include/php/ext -I/usr/include/php/ext/date/lib -I/opt/oracle/instantclient/instantclient_11_2/sdk/include -DHAVE_CONFIG_H -g -O2 -c /var/tmp/oci8/oci8_interface.c  -fPIC -DPIC -o .libs/oci8_interface.o

    /bin/sh /var/tmp/pear-build-oracle0WB3Z4/oci8-2.0.12/libtool --mode=link cc -DPHP_ATOM_INC -I/var/tmp/pear-build-oracle0WB3Z4/oci8-2.0.12/include -I/var/tmp/pear-build-oracle0WB3Z4/oci8-2.0.12/main -I/var/tmp/oci8 -I/usr/include/php -I/usr/include/php/main -I/usr/include/php/TSRM -I/usr/include/php/Zend -I/usr/include/php/ext -I/usr/include/php/ext/date/lib -I/opt/oracle/instantclient/instantclient_11_2/sdk/include  -DHAVE_CONFIG_H  -g -O2   -o oci8.la -export-dynamic -avoid-version -prefer-pic -module -rpath /var/tmp/pear-build-oracle0WB3Z4/oci8-2.0.12/modules  oci8.lo oci8_lob.lo oci8_statement.lo oci8_collection.lo oci8_interface.lo -Wl,-rpath,/opt/oracle/instantclient/instantclient_11_2 -L/opt/oracle/instantclient/instantclient_11_2 -lclntsh

    libtool: link: cc -shared  -fPIC -DPIC  .libs/oci8.o .libs/oci8_lob.o .libs/oci8_statement.o .libs/oci8_collection.o .libs/oci8_interface.o   -L/opt/oracle/instantclient/instantclient_11_2 -lclntsh  -O2 -Wl,-rpath -Wl,/opt/oracle/instantclient/instantclient_11_2   -Wl,-soname -Wl,oci8.so -o .libs/oci8.so

    libtool: link: ( cd ".libs" && rm -f "oci8.la" && ln -s "../oci8.la" "oci8.la" )

    /bin/sh /var/tmp/pear-build-oracle0WB3Z4/oci8-2.0.12/libtool --mode=install cp ./oci8.la /var/tmp/pear-build-oracle0WB3Z4/oci8-2.0.12/modules

    libtool: install: cp ./.libs/oci8.so /var/tmp/pear-build-oracle0WB3Z4/oci8-2.0.12/modules/oci8.so

    libtool: install: cp ./.libs/oci8.lai /var/tmp/pear-build-oracle0WB3Z4/oci8-2.0.12/modules/oci8.la

    libtool: finish: PATH="/usr/bin:/data/oracle/bin:/data/client32/instantclient_19_6:/usr/local/bin:/usr/bin:/usr/local/sbin:/usr/sbin:/home/oracle/.local/bin:/home/oracle/bin:/sbin" ldconfig -n /var/tmp/pear-build-oracle0WB3Z4/oci8-2.0.12/modules

    ----------------------------------------------------------------------

    Libraries have been installed in:

       /var/tmp/pear-build-oracle0WB3Z4/oci8-2.0.12/modules

    If you ever happen to want to link against installed libraries

    in a given directory, LIBDIR, you must either use libtool, and

    specify the full pathname of the library, or use the `-LLIBDIR'

    flag during linking and do at least one of the following:

       - add LIBDIR to the `LD_LIBRARY_PATH' environment variable

         during execution

       - add LIBDIR to the `LD_RUN_PATH' environment variable

         during linking

       - use the `-Wl,-rpath -Wl,LIBDIR' linker flag

       - have your system administrator add LIBDIR to `/etc/ld.so.conf'

    See any operating system documentation about shared libraries for

    more information, such as the ld(1) and ld.so(8) manual pages.

    ----------------------------------------------------------------------

    Build complete.

    Don't forget to run 'make test'.

    running: make INSTALL_ROOT="/var/tmp/pear-build-oracle0WB3Z4/install-oci8-2.0.12" install

    Installing shared extensions:     /var/tmp/pear-build-oracle0WB3Z4/install-oci8-2.0.12/usr/lib64/php/modules/

    running: find "/var/tmp/pear-build-oracle0WB3Z4/install-oci8-2.0.12" | xargs ls -dils

        1167   0 drwxr-xr-x. 3 root root     17 Jul 22 14:26 /var/tmp/pear-build-oracle0WB3Z4/install-oci8-2.0.12

    16800854   0 drwxr-xr-x. 3 root root     19 Jul 22 14:26 /var/tmp/pear-build-oracle0WB3Z4/install-oci8-2.0.12/usr

    26883528   0 drwxr-xr-x. 3 root root     17 Jul 22 14:26 /var/tmp/pear-build-oracle0WB3Z4/install-oci8-2.0.12/usr/lib64

        1168   0 drwxr-xr-x. 3 root root     21 Jul 22 14:26 /var/tmp/pear-build-oracle0WB3Z4/install-oci8-2.0.12/usr/lib64/php

    8548671   0 drwxr-xr-x. 2 root root     21 Jul 22 14:26 /var/tmp/pear-build-oracle0WB3Z4/install-oci8-2.0.12/usr/lib64/php/modules

    8555690 552 -rwxr-xr-x. 1 root root 561232 Jul 22 14:26 /var/tmp/pear-build-oracle0WB3Z4/install-oci8-2.0.12/usr/lib64/php/modules/oci8.so

    Build process completed successfully

    Installing '/usr/lib64/php/modules/oci8.so'

    install ok: channel://pecl.php.net/oci8-2.0.12

    configuration option "php_ini" is not set to php.ini location

    You should add "extension=oci8.so" to php.ini

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  • Robeen
    Robeen Member Posts: 2,176 Silver Badge
    edited Jul 22, 2020 8:15AM

    What i found weird is on the web page it is showing

    pastedImage_0.png

    But on server it shows

    [[email protected] etc]# php -i

    PHP Warning:  Module 'oci8' already loaded in Unknown on line 0

    phpinfo()

    PHP Version => 5.4.16

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  • Christopher Jones-Oracle
    Christopher Jones-Oracle Member Posts: 1,644 Employee
    edited Jul 23, 2020 1:16AM

    You probably need to review the first suggestion I made about setting the library search path.  If you have Instant Client (and no other Oracle software) installed on your computer, then you will find it easier to run ldconfig instead of setting LD_LIBRARY_PATH, see the Instant Client installation instructions.

    And if you only have Instant Client, then try a recent version.  Oracle 19c Instant Client will let you connect to Oracle Database version 11.2 or more recent.

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