DevOps, CI/CD and Automation

How can I properly describe the dollar sign in PHP ->> v$parameter

$sysparm = ("select * from v'$'parameter"); <-- First attempt

PHP Warning:  oci_execute(): ORA-00933: SQL command not properly ended in /var/apache2/2.2/cgi-bin/oracle-master-sysparms.php on line 15

PHP Stack trace:

PHP   1. {main}() /var/apache2/2.2/cgi-bin/oracle-master-sysparms.php:0

PHP   2. oci_execute() /var/apache2/2.2/cgi-bin/oracle-master-sysparms.php:15

PHP Fatal error:  Could not execute statement: ORA-00933: SQL command not properly ended in /var/apache2/2.2/cgi-bin/oracle-master-sysparms.php on line 18

PHP Stack trace:

PHP   1. {main}() /var/apache2/2.2/cgi-bin/oracle-master-sysparms.php:0

PHP   2. trigger_error() /var/apache2/2.2/cgi-bin/oracle-master-sysparms.php:18

oradba@solaris-slave:/var/apache2/2.2/cgi-bin$

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                                                           CODE

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<?php

$sysparm = ("select * from v'$'parameter");

$conn = oci_connect('system', 'welcome1', 'solaris-master:1521/x86artsdb');

if (!$conn) {

    $m = oci_error();

    trigger_error('Could not connect to database: '. $m['message'], E_USER_ERROR);

}

$s = oci_parse($conn, $sysparm);

if (!$s) {

    $m = oci_error($conn);

    trigger_error('Could not parse statement: '. $m['message'], E_USER_ERROR);

}

$r = oci_execute($s);

if (!$r) {

    $m = oci_error($s);

    trigger_error('Could not execute statement: '. $m['message'], E_USER_ERROR);

}

$r = oci_fetch_all($s, $res);

if (!$r) {

    $m = oci_error($s);

    trigger_error('Could not fetch rows: '. $m['message'], E_USER_ERROR);

}

echo "<table border='3'>\n";

foreach ($res as $row) {

    echo "$r";

    echo "<tr>\n";

    foreach ($row as $item) {

        echo "  <td>".($item!==null?htmlentities($item,

                       ENT_QUOTES):" ")."</td>\n";

    }

    echo "</tr>\n";

}

echo "</table>\n";

?>

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