Question

Call to undefined function pg_Connect() Error

Posted January 3, 2017 19.3k views
Apache PHP PostgreSQL Ubuntu 16.04

DigitalOcean support team couldnt solve this issue. i ve Ubuntu 16.04 with php7, apache2, PostgreSQL v9.5 and im running php code to read data form PostgreSQL from my 2nd server.

here is the code php http://pastebin.com/R3bwfXtR

but im getting Call to undefined function pgConnect() in /home/f****/publichtml/.****.net/new.php on line 11

php -i result:
http://pastebin.com/5z6G73Tw

i tried like every possible soluitons but no luck. im open to all solutions
i can give u server access if u really needed

Please help

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3 answers
michaelbrandl January 3, 2017

Hi,

Try installing this: apt-get install php5-pgsql
And also check your command is pg_connect all lower case.

Make sure you restart apache afterwards.

If that’s still failing afterwards perhaps add the port to your connection string,

Thanks

Mike

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  • jtittle1 January 6, 2017

    @michaelbrandl

    If he’s using PHP 7.x and opts to install php5-pgsql, then the package manager will install PHP 5.x and associated packages which won’t be available to PHP 7.x since they will install to and use two different directories.

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jtittle1 January 6, 2017

@canf113378ba95d

The actual function is pg_connect not pg_Connect (you’re using a C instead of c in the function name).

The function should look like the following:

pg_connect("host=host_ip port=5432 dbname=db_name user=db_user password=db_pass");
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will622857 May 23, 2017

Did you ever figure it out, I’ve got the same problem using same snippet of PHP

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