PHP: Basic usage

Basic usage

This simple example shows how to connect, execute a query, print resulting rows and disconnect from a PostgreSQL database.

Example #1 PostgreSQL extension overview example

<?php

/ Connecting, selecting database
$dbconn = pg_connect("host=localhost dbname=publishing user=www password=foo")
    or die('Could not connect: ' . pg_last_error());

/ Performing SQL query
$query = 'SELECT * FROM authors';
$result = pg_query($dbconn, $query) or die('Query failed: ' . pg_last_error());

/ Printing results in HTML
echo "<table>\n";
while ($line = pg_fetch_array($result, null, PGSQL_ASSOC)) {
    echo "\t<tr>\n";
    foreach ($line as $col_value) {
        echo "\t\t<td>$col_value</td>\n";
    }
    echo "\t</tr>\n";
}
echo "</table>\n";

/ Free resultset
pg_free_result($result);

/ Closing connection
pg_close($dbconn);

?>

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