110 lines
3.3 KiB
PHP
110 lines
3.3 KiB
PHP
<?php
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// modules/billing/bootstrap.php
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// Central bootstrap for billing website pages. Loads config, provides safe DB helper
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// and ensures $table_prefix is available.
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// Ensure session sync with panel happens first
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require_once __DIR__ . '/includes/session_bridge.php';
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require_once __DIR__ . '/includes/config_loader.php';
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// Ensure $table_prefix exists (fallback to empty string)
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if (!isset($table_prefix)) {
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$table_prefix = '';
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}
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// Billing DB connection cached in $billing_db
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if (!isset($billing_db)) {
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$billing_db = null;
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}
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// Track whether bootstrap opened the connection (so callers can safely close it)
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$billing_db_opened_by_bootstrap = false;
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/**
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* Get a mysqli connection for billing pages.
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* - Reuses global $db if already created by other code.
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* - Tries to open a new connection using config variables if needed.
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* - Returns null on failure.
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*/
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function billing_get_db()
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{
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global $billing_db, $db, $db_host, $db_user, $db_pass, $db_name, $billing_db_opened_by_bootstrap;
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if (!empty($billing_db) && ($billing_db instanceof mysqli)) {
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return $billing_db;
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}
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if (!empty($db) && ($db instanceof mysqli)) {
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$billing_db = $db;
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return $billing_db;
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}
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// Try to connect (suppress warnings; caller may check return value)
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$conn = @mysqli_connect($db_host ?? null, $db_user ?? null, $db_pass ?? null, $db_name ?? null);
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if ($conn) {
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// Set charset when available
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if (function_exists('mysqli_set_charset')) {
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@mysqli_set_charset($conn, 'utf8mb4');
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}
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$billing_db = $conn;
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$billing_db_opened_by_bootstrap = true;
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return $billing_db;
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}
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// Leave $billing_db as null
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$billing_db = null;
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return null;
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}
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/**
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* Close DB connection only if it was opened by bootstrap. If the connection
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* is shared (created by other code) this function will not close it.
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*/
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function billing_maybe_close_db($conn)
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{
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global $billing_db, $billing_db_opened_by_bootstrap;
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if (!($conn instanceof mysqli)) return;
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if (!empty($billing_db_opened_by_bootstrap) && $billing_db === $conn) {
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@mysqli_close($conn);
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$billing_db = null;
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$billing_db_opened_by_bootstrap = false;
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}
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}
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// Small helper wrappers commonly used across billing pages
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if (!function_exists('esc_mysqli')) {
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function esc_mysqli($db, $v)
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{
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if ($db instanceof mysqli) {
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return $db->real_escape_string((string)$v);
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}
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return addslashes((string)$v);
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}
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}
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if (!function_exists('fetch_all_assoc')) {
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function fetch_all_assoc($db, $sql)
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{
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if (!($db instanceof mysqli)) return [];
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$res = $db->query($sql);
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return $res ? $res->fetch_all(MYSQLI_ASSOC) : [];
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}
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}
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if (!function_exists('col_exists')) {
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function col_exists($db, $table, $col)
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{
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if (!($db instanceof mysqli)) return false;
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$t = $db->real_escape_string($table);
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$c = $db->real_escape_string($col);
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$res = $db->query("SHOW COLUMNS FROM `{$t}` LIKE '{$c}'");
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return ($res && $res->num_rows > 0);
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}
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}
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// expose a convenience variable for scripts that expect $db
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// Do not overwrite an existing $db if present
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if (!isset($db) || !($db instanceof mysqli)) {
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$maybe = billing_get_db();
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if ($maybe instanceof mysqli) {
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$db = $maybe;
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}
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}
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// End bootstrap
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