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<?php
// IMPORTANT: Copy of this file ( standalone_preloader.php ) included in _rollback_undo.php.

$pb_styles = array();
$pb_scripts = array();
$pb_actions = array();
$wp_scripts = array();

// NOTE: Modified from WP to rtrim on dirname() due to Windows issues.
function site_url() {
	$pageURL = 'http';
	if ( isset( $_SERVER["HTTPS"] ) && ( $_SERVER["HTTPS"] == "on" ) ) {$pageURL .= "s";}
	$pageURL .= "://";
	if ($_SERVER["SERVER_PORT"] != "80") {
		$pageURL .= $_SERVER["SERVER_NAME"].":".$_SERVER["SERVER_PORT"] . rtrim( dirname($_SERVER['PHP_SELF']), '/\\' );
	} else {
		$pageURL .= $_SERVER["SERVER_NAME"] . rtrim( dirname($_SERVER['PHP_SELF']), '/\\' );
	}
	
	return $pageURL;
}

/**
 * Navigates through an array and removes slashes from the values.
 *
 * If an array is passed, the array_map() function causes a callback to pass the
 * value back to the function. The slashes from this value will removed.
 *
 * @since 2.0.0
 *
 * @param array|string $value The array or string to be stripped.
 * @return array|string Stripped array (or string in the callback).
 */
function stripslashes_deep($value) {
	if ( is_array($value) ) {
		$value = array_map('stripslashes_deep', $value);
	} elseif ( is_object($value) ) {
		$vars = get_object_vars( $value );
		foreach ($vars as $key=>$data) {
			$value->{$key} = stripslashes_deep( $data );
		}
	} else {
		$value = stripslashes($value);
	}

return $value;
}

/**
 * Check value to find if it was serialized.
 *
 * If $data is not an string, then returned value will always be false.
 * Serialized data is always a string.
 * Courtesy WordPress; since WordPress 2.0.5.
 *
 * @param mixed $data Value to check to see if was serialized.
 * @return bool False if not serialized and true if it was.
 */
function is_serialized( $data ) {
	// if it isn't a string, it isn't serialized
	if ( ! is_string( $data ) )
		return false;
	$data = trim( $data );
 	if ( 'N;' == $data )
		return true;
	$length = strlen( $data );
	if ( $length < 4 )
		return false;
	if ( ':' !== $data[1] )
		return false;
	$lastc = $data[$length-1];
	if ( ';' !== $lastc && '}' !== $lastc )
		return false;
	$token = $data[0];
	switch ( $token ) {
		case 's' :
			if ( '"' !== $data[$length-2] )
				return false;
		case 'a' :
		case 'O' :
			return (bool) preg_match( "/^{$token}:[0-9]+:/s", $data );
		case 'b' :
		case 'i' :
		case 'd' :
			return (bool) preg_match( "/^{$token}:[0-9.E-]+;\$/", $data );
	}
	return false;
} // End is_serialized().

function __( $text, $domain = '' ) {
	return $text;
}
function _e( $text, $domain = '' ) {
	echo $text;
}

function add_action( $tag, $callback ) {
	global $pb_actions;
	$pb_actions[$tag]['callback'] = $callback;
}

function is_admin() {
	return true;
}

function apply_filters( $filter, $value ) {
	return $value;
}

function _cleanup_header_comment($str) {
	return trim(preg_replace("/\s*(?:\*\/|\?>).*/", '', $str));
}

function get_plugin_data( $plugin_file, $markup = true, $translate = true ) {

$default_headers = array(
		'Name' => 'Plugin Name',
		'PluginURI' => 'Plugin URI',
		'Version' => 'Version',
		'Description' => 'Description',
		'Author' => 'Author',
		'AuthorURI' => 'Author URI',
		'TextDomain' => 'Text Domain',
		'DomainPath' => 'Domain Path',
		'Network' => 'Network',
		// Site Wide Only is deprecated in favor of Network.
		'_sitewide' => 'Site Wide Only',
	);

$plugin_data = get_file_data( $plugin_file, $default_headers, 'plugin' );

// Site Wide Only is the old header for Network
	if ( empty( $plugin_data['Network'] ) && ! empty( $plugin_data['_sitewide'] ) ) {
		_deprecated_argument( __FUNCTION__, '3.0', sprintf( __( 'The <code>%1$s</code> plugin header is deprecated. Use <code>%2$s</code> instead.' ), 'Site Wide Only: true', 'Network: true' ) );
		$plugin_data['Network'] = $plugin_data['_sitewide'];
	}
	$plugin_data['Network'] = ( 'true' == strtolower( $plugin_data['Network'] ) );
	unset( $plugin_data['_sitewide'] );

//For backward compatibility by default Title is the same as Name.
	$plugin_data['Title'] = $plugin_data['Name'];

if ( $markup || $translate )
		$plugin_data = _get_plugin_data_markup_translate( $plugin_file, $plugin_data, $markup, $translate );
	else
		$plugin_data['AuthorName'] = $plugin_data['Author'];

return $plugin_data;
}

function get_file_data( $file, $default_headers, $context = '' ) {
	// We don't need to write to the file, so just open for reading.
	$fp = fopen( $file, 'r' );

// Pull only the first 8kiB of the file in.
	$file_data = fread( $fp, 8192 );

// PHP will close file handle, but we are good citizens.
	fclose( $fp );

if ( $context != '' ) {
		$extra_headers = apply_filters( "extra_{$context}_headers", array() );

$extra_headers = array_flip( $extra_headers );
		foreach( $extra_headers as $key=>$value ) {
			$extra_headers[$key] = $key;
		}
		$all_headers = array_merge( $extra_headers, (array) $default_headers );
	} else {
		$all_headers = $default_headers;
	}

foreach ( $all_headers as $field => $regex ) {
		preg_match( '/^[ \t\/*#@]*' . preg_quote( $regex, '/' ) . ':(.*)$/mi', $file_data, ${$field});
		if ( !empty( ${$field} ) )
			${$field} = _cleanup_header_comment( ${$field}[1] );
		else
			${$field} = '';
	}

$file_data = compact( array_keys( $all_headers ) );

return $file_data;
}

function wp_nonce_field() {
	return;
}

// Some PHP installs don't have ngettext. Needed by human_time_diff().
if ( ! function_exists( 'ngettext' ) ) {
	function ngettext( $singular, $plural, $num ) {
		if ( $num > 1 ) {
			return $plural;
		} else {
			return $singular;
		}
	}
} // End ngettext().

/**
 * Determines the difference between two timestamps.
 *
 * The difference is returned in a human readable format such as "1 hour",
 * "5 mins", "2 days".
 *
 * @since 1.5.0
 *
 * @param int $from Unix timestamp from which the difference begins.
 * @param int $to Optional. Unix timestamp to end the time difference. Default becomes time() if not set.
 * @return string Human readable time difference.
 */
function human_time_diff( $from, $to = '' ) {
	if ( empty($to) )
		$to = time();
	$diff = (int) abs($to - $from);
	if ($diff <= 3600) {
		$mins = round($diff / 60);
		if ($mins <= 1) {
			$mins = 1;
		}
		/* translators: min=minute */
		$since = sprintf( ngettext( '%s min', '%s mins', $mins ), $mins);
	} else if (($diff <= 86400) && ($diff > 3600)) {
		$hours = round($diff / 3600);
		if ($hours <= 1) {
			$hours = 1;
		}
		$since = sprintf( ngettext('%s hour', '%s hours', $hours ), $hours);
	} elseif ($diff >= 86400) {
		$days = round($diff / 86400);
		if ($days <= 1) {
			$days = 1;
		}
		$since = sprintf( ngettext('%s day', '%s days', $days ), $days);
	}
	return $since;
}

/**
 * Unserialize value only if it was serialized.
 *
 * @since 2.0.0
 *
 * @param string $original Maybe unserialized original, if is needed.
 * @return mixed Unserialized data can be any type.
 */
function maybe_unserialize( $original ) {
	if ( is_serialized( $original ) ) // don't attempt to unserialize data that wasn't serialized going in
		return @unserialize( $original );
	return $original;
}

// NOT IMPLEMENTED BUT NON-BLOCKING.

function wp_upload_dir() {
	return array( 'basedir' => ABSPATH );
}

function wp_die( $message ) {
	pb_backupbuddy::status( 'error', 'wp_die() called with message: ' . $message );
	echo $message;
	die();
}

function wp_load_translations_early() {
}

function wp_debug_backtrace_summary() {
}

if ( !defined('WP_DEBUG') )
	define( 'WP_DEBUG', false );
if ( !defined('WP_DEBUG_DISPLAY') )
	define( 'WP_DEBUG_DISPLAY', true );
if ( !defined('WP_DEBUG_LOG') )
	define('WP_DEBUG_LOG', false);
if ( !defined('WP_CACHE') )
	define('WP_CACHE', false);

function admin_url( $val ) {
	return '?' . $val;
}

/**
 * WordPress Error class.
 *
 * Container for checking for WordPress errors and error messages. Return
 * WP_Error and use {@link is_wp_error()} to check if this class is returned.
 * Many core WordPress functions pass this class in the event of an error and
 * if not handled properly will result in code errors.
 *
 * @package WordPress
 * @since 2.1.0
 */
class WP_Error {
	/**
	 * Stores the list of errors.
	 *
	 * @since 2.1.0
	 * @var array
	 */
	public $errors = array();

/**
	 * Stores the list of data for error codes.
	 *
	 * @since 2.1.0
	 * @var array
	 */
	public $error_data = array();

/**
	 * Initialize the error.
	 *
	 * If `$code` is empty, the other parameters will be ignored.
	 * When `$code` is not empty, `$message` will be used even if
	 * it is empty. The `$data` parameter will be used only if it
	 * is not empty.
	 *
	 * Though the class is constructed with a single error code and
	 * message, multiple codes can be added using the `add()` method.
	 *
	 * @since 2.1.0
	 *
	 * @param string|int $code Error code
	 * @param string $message Error message
	 * @param mixed $data Optional. Error data.
	 */
	public function __construct( $code = '', $message = '', $data = '' ) {
		if ( empty($code) )
			return;

$this->errors[$code][] = $message;

if ( ! empty($data) )
			$this->error_data[$code] = $data;
	}

/**
	 * Retrieve all error codes.
	 *
	 * @since 2.1.0
	 * @access public
	 *
	 * @return array List of error codes, if available.
	 */
	public function get_error_codes() {
		if ( empty($this->errors) )
			return array();

return array_keys($this->errors);
	}

/**
	 * Retrieve first error code available.
	 *
	 * @since 2.1.0
	 * @access public
	 *
	 * @return string|int Empty string, if no error codes.
	 */
	public function get_error_code() {
		$codes = $this->get_error_codes();

if ( empty($codes) )
			return '';

return $codes[0];
	}

/**
	 * Retrieve all error messages or error messages matching code.
	 *
	 * @since 2.1.0
	 *
	 * @param string|int $code Optional. Retrieve messages matching code, if exists.
	 * @return array Error strings on success, or empty array on failure (if using code parameter).
	 */
	public function get_error_messages($code = '') {
		// Return all messages if no code specified.
		if ( empty($code) ) {
			$all_messages = array();
			foreach ( (array) $this->errors as $code => $messages )
				$all_messages = array_merge($all_messages, $messages);

return $all_messages;
		}

if ( isset($this->errors[$code]) )
			return $this->errors[$code];
		else
			return array();
	}

/**
	 * Get single error message.
	 *
	 * This will get the first message available for the code. If no code is
	 * given then the first code available will be used.
	 *
	 * @since 2.1.0
	 *
	 * @param string|int $code Optional. Error code to retrieve message.
	 * @return string
	 */
	public function get_error_message($code = '') {
		if ( empty($code) )
			$code = $this->get_error_code();
		$messages = $this->get_error_messages($code);
		if ( empty($messages) )
			return '';
		return $messages[0];
	}

/**
	 * Retrieve error data for error code.
	 *
	 * @since 2.1.0
	 *
	 * @param string|int $code Optional. Error code.
	 * @return mixed Error data, if it exists.
	 */
	public function get_error_data($code = '') {
		if ( empty($code) )
			$code = $this->get_error_code();

if ( isset($this->error_data[$code]) )
			return $this->error_data[$code];
	}

/**
	 * Add an error or append additional message to an existing error.
	 *
	 * @since 2.1.0
	 * @access public
	 *
	 * @param string|int $code Error code.
	 * @param string $message Error message.
	 * @param mixed $data Optional. Error data.
	 */
	public function add($code, $message, $data = '') {
		$this->errors[$code][] = $message;
		if ( ! empty($data) )
			$this->error_data[$code] = $data;
	}

/**
	 * Add data for error code.
	 *
	 * The error code can only contain one error data.
	 *
	 * @since 2.1.0
	 *
	 * @param mixed $data Error data.
	 * @param string|int $code Error code.
	 */
	public function add_data($data, $code = '') {
		if ( empty($code) )
			$code = $this->get_error_code();

$this->error_data[$code] = $data;
	}

/**
	 * Removes the specified error.
	 *
	 * This function removes all error messages associated with the specified
	 * error code, along with any error data for that code.
	 *
	 * @since 4.1.0
	 *
	 * @param string|int $code Error code.
	 */
	public function remove( $code ) {
		unset( $this->errors[ $code ] );
		unset( $this->error_data[ $code ] );
	}
}

/**
 * Check whether variable is a WordPress Error.
 *
 * Returns true if $thing is an object of the WP_Error class.
 *
 * @since 2.1.0
 *
 * @param mixed $thing Check if unknown variable is a WP_Error object.
 * @return bool True, if WP_Error. False, if not WP_Error.
 */
function is_wp_error( $thing ) {
	return ( $thing instanceof WP_Error );
}

/**
 * Set the mbstring internal encoding to a binary safe encoding when func_overload
 * is enabled.
 *
 * When mbstring.func_overload is in use for multi-byte encodings, the results from
 * strlen() and similar functions respect the utf8 characters, causing binary data
 * to return incorrect lengths.
 *
 * This function overrides the mbstring encoding to a binary-safe encoding, and
 * resets it to the users expected encoding afterwards through the
 * `reset_mbstring_encoding` function.
 *
 * It is safe to recursively call this function, however each
 * `mbstring_binary_safe_encoding()` call must be followed up with an equal number
 * of `reset_mbstring_encoding()` calls.
 *
 * @since 3.7.0
 *
 * @see reset_mbstring_encoding()
 *
 * @staticvar array $encodings
 * @staticvar bool  $overloaded
 *
 * @param bool $reset Optional. Whether to reset the encoding back to a previously-set encoding.
 *                    Default false.
 */
function mbstring_binary_safe_encoding( $reset = false ) {
	static $encodings = array();
	static $overloaded = null;

if ( is_null( $overloaded ) )
		$overloaded = function_exists( 'mb_internal_encoding' ) && ( ini_get( 'mbstring.func_overload' ) & 2 );

if ( false === $overloaded )
		return;

if ( ! $reset ) {
		$encoding = mb_internal_encoding();
		array_push( $encodings, $encoding );
		mb_internal_encoding( 'ISO-8859-1' );
	}

if ( $reset && $encodings ) {
		$encoding = array_pop( $encodings );
		mb_internal_encoding( $encoding );
	}
}

/**
 * Reset the mbstring internal encoding to a users previously set encoding.
 *
 * @see mbstring_binary_safe_encoding()
 *
 * @since 3.7.0
 */
function reset_mbstring_encoding() {
	mbstring_binary_safe_encoding( true );
}

function did_action( $action ) {
	if ( 'template_redirect' == $action ) {
		return true;
	}
}