AphrontMySQLDatabaseConnection.php
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	<?php

	final class AphrontMySQLDatabaseConnection
	extends AphrontBaseMySQLDatabaseConnection {

	public function escapeUTF8String($string) {
	$this->validateUTF8String($string);
	return $this->escapeBinaryString($string);
	}

	public function escapeBinaryString($string) {
	return mysql_real_escape_string($string, $this->requireConnection());
	}

	public function getInsertID() {
	return mysql_insert_id($this->requireConnection());
	}

	public function getAffectedRows() {
	return mysql_affected_rows($this->requireConnection());
	}

	protected function closeConnection() {
	mysql_close($this->requireConnection());
	}

	protected function connect() {
	if (!function_exists('mysql_connect')) {
	// We have to '@' the actual call since it can spew all sorts of silly
	// noise, but it will also silence fatals caused by not having MySQL
	// installed, which has bitten me on three separate occasions. Make sure
	// such failures are explicit and loud.
	throw new Exception(
	pht(
	'About to call %s, but the PHP MySQL extension is not available!',
	'mysql_connect()'));
	}

	$user = $this->getConfiguration('user');
	$host = $this->getConfiguration('host');
	$port = $this->getConfiguration('port');

	if ($port) {
	$host .= ':'.$port;
	}

	$database = $this->getConfiguration('database');

	$pass = $this->getConfiguration('pass');
	if ($pass instanceof PhutilOpaqueEnvelope) {
	$pass = $pass->openEnvelope();
	}

	$timeout = $this->getConfiguration('timeout');
	$timeout_ini = 'mysql.connect_timeout';
	if ($timeout) {
	$old_timeout = ini_get($timeout_ini);
	ini_set($timeout_ini, $timeout);
	}

	try {
	$conn = @mysql_connect(
	$host,
	$user,
	$pass,
	$new_link = true,
	$flags = 0);
	} catch (Exception $ex) {
	if ($timeout) {
	ini_set($timeout_ini, $old_timeout);
	}
	throw $ex;
	}

	if ($timeout) {
	ini_set($timeout_ini, $old_timeout);
	}

	if (!$conn) {
	$errno = mysql_errno();
	$error = mysql_error();
	$this->throwConnectionException($errno, $error, $user, $host);
	}

	if ($database !== null) {
	$ret = @mysql_select_db($database, $conn);
	if (!$ret) {
	$this->throwQueryException($conn);
	}
	}

	$ok = @mysql_set_charset('utf8mb4', $conn);
	if (!$ok) {
	mysql_set_charset('binary', $conn);
	}

	return $conn;
	}

	protected function rawQuery($raw_query) {
	return @mysql_query($raw_query, $this->requireConnection());
	}

	/**
	* @phutil-external-symbol function mysql_multi_query
	* @phutil-external-symbol function mysql_fetch_result
	* @phutil-external-symbol function mysql_more_results
	* @phutil-external-symbol function mysql_next_result
	*/
	protected function rawQueries(array $raw_queries) {
	$conn = $this->requireConnection();
	$results = array();

	if (!function_exists('mysql_multi_query')) {
	foreach ($raw_queries as $key => $raw_query) {
	$results[$key] = $this->processResult($this->rawQuery($raw_query));
	}
	return $results;
	}

	if (!mysql_multi_query(implode("\n;\n\n", $raw_queries), $conn)) {
	$ex = $this->processResult(false);
	return array_fill_keys(array_keys($raw_queries), $ex);
	}

	$processed_all = false;
	foreach ($raw_queries as $key => $raw_query) {
	$results[$key] = $this->processResult(@mysql_fetch_result($conn));
	if (!mysql_more_results($conn)) {
	$processed_all = true;
	break;
	}
	mysql_next_result($conn);
	}

	if (!$processed_all) {
	throw new Exception(
	pht('There are some results left in the result set.'));
	}

	return $results;
	}

	protected function freeResult($result) {
	mysql_free_result($result);
	}

	protected function fetchAssoc($result) {
	return mysql_fetch_assoc($result);
	}

	protected function getErrorCode($connection) {
	return mysql_errno($connection);
	}

	protected function getErrorDescription($connection) {
	return mysql_error($connection);
	}

	}

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