Add script to convert users table to csv

bin/bnetdocs-users-csv.php

@@ -0,0 +1,48 @@
+#!/usr/bin/env php
+<?php /* vim: set expandtab colorcolumn= tabstop=4 shiftwidth=4 softtabstop=4: */
+/**
+ * @project bnetdocs-web <https://github.com/BNETDocs/bnetdocs-web/>
+ *
+ * Connects to the users table and prints a csv replica to stdout.
+ */
+
+function exit_line($line) { fwrite(STDERR, $line . PHP_EOL); exit(1); }
+
+$csv = fopen('php://stdout', 'w');
+if (!$csv) { exit_line('Failed to open stdout for writing'); }
+
+$cfg = file_get_contents(__DIR__ . '/../etc/config.phoenix.json');
+if (!$cfg) { exit_line('Failed to open and read config'); }
+
+$cfg = json_decode($cfg);
+if (!$cfg || json_last_error() !== JSON_ERROR_NONE) { exit_line('Failed to parse json config'); }
+
+$dbsid = 0;
+$dbhost = $cfg->mysql->servers[$dbsid]->hostname;
+$dbport = $cfg->mysql->servers[$dbsid]->port;
+
+$dbname = $cfg->mysql->database;
+$dbuser = $cfg->mysql->username;
+$dbpass = $cfg->mysql->password;
+
+$dbchrset = $cfg->mysql->character_set;
+
+$db = new PDO(sprintf('mysql:host=%s;port=%d;dbname=%s;charset=%s', $dbhost, $dbport, $dbname, $dbchrset), $dbuser, $dbpass);
+if (!$db) { exit_line('Failed to connect to database'); }
+
+$rs = $db->query('SELECT * FROM `users` ORDER BY `id` ASC;');
+if (!$rs) { exit_line('Failed to query database'); }
+
+$cols = array();
+for ($i = 0; $i < $rs->columnCount(); $i++)
+{
+    $cols[] = $rs->getColumnMeta($i)['name'];
+}
+fputcsv($csv, $cols);
+
+while ($row = $rs->fetch(PDO::FETCH_NUM)) {
+    fputcsv($csv, $row);
+}
+
+fclose($csv);
+exit(0);