$option)
{
$options[$i] = str_replace("'", '',$option);
}
}
}
mysql_free_result($result);
return $options;
}
// get_boolean transforms a string to a boolean value. If the string is
// "false" (case insensitive), then the boolean value false is returned. In
// any other case, true is returned.
function get_boolean( $string )
{
$boolean = true;
if ( preg_match( '/^false$/i', $string ) )
{
$boolean = false;
}
return $boolean;
}
/**
* returns boolean string 'true' or 'false' if the given var is boolean
*
* @param mixed $var
* @return mixed
*/
function boolean_to_string($var)
{
if (is_bool($var))
{
if ($var)
{
return 'true';
}
else
{
return 'false';
}
}
else
{
return $var;
}
}
// The function get_moment returns a float value coresponding to the number
// of seconds since the unix epoch (1st January 1970) and the microseconds
// are precised : e.g. 1052343429.89276600
function get_moment()
{
$t1 = explode( ' ', microtime() );
$t2 = explode( '.', $t1[0] );
$t2 = $t1[1].'.'.$t2[1];
return $t2;
}
// The function get_elapsed_time returns the number of seconds (with 3
// decimals precision) between the start time and the end time given.
function get_elapsed_time( $start, $end )
{
return number_format( $end - $start, 3, '.', ' ').' s';
}
// - The replace_space function replaces space and '-' characters
// by their HTML equivalent &nbsb; and −
// - The function does not replace characters in HTML tags
// - This function was created because IE5 does not respect the
// CSS "white-space: nowrap;" property unless space and minus
// characters are replaced like this function does.
// - Example :
// My friend
// ( 01234567891111111111222222222233 )
// ( 0123456789012345678901 )
// becomes :
// My friend
function replace_space( $string )
{
//return $string;
$return_string = '';
// $remaining is the rest of the string where to replace spaces characters
$remaining = $string;
// $start represents the position of the next '<' character
// $end represents the position of the next '>' character
$start = 0;
$end = 0;
$start = strpos ( $remaining, '<' ); // -> 0
$end = strpos ( $remaining, '>' ); // -> 16
// as long as a '<' and his friend '>' are found, we loop
while ( is_numeric( $start ) and is_numeric( $end ) )
{
// $treatment is the part of the string to treat
// In the first loop of our example, this variable is empty, but in the
// second loop, it equals 'My friend'
$treatment = substr ( $remaining, 0, $start );
// Replacement of ' ' by his equivalent ' '
$treatment = str_replace( ' ', ' ', $treatment );
$treatment = str_replace( '-', '−', $treatment );
// composing the string to return by adding the treated string and the
// following HTML tag -> 'My friend'
$return_string.= $treatment.substr( $remaining, $start, $end-$start+1 );
// the remaining string is deplaced to the part after the '>' of this
// loop
$remaining = substr ( $remaining, $end + 1, strlen( $remaining ) );
$start = strpos ( $remaining, '<' );
$end = strpos ( $remaining, '>' );
}
$treatment = str_replace( ' ', ' ', $remaining );
$treatment = str_replace( '-', '−', $treatment );
$return_string.= $treatment;
return $return_string;
}
// get_extension returns the part of the string after the last "."
function get_extension( $filename )
{
return substr( strrchr( $filename, '.' ), 1, strlen ( $filename ) );
}
// get_filename_wo_extension returns the part of the string before the last
// ".".
// get_filename_wo_extension( 'test.tar.gz' ) -> 'test.tar'
function get_filename_wo_extension( $filename )
{
$pos = strrpos( $filename, '.' );
return ($pos===false) ? $filename : substr( $filename, 0, $pos);
}
/**
* returns an array contening sub-directories, excluding "CVS"
*
* @param string $dir
* @return array
*/
function get_dirs($directory)
{
$sub_dirs = array();
if ($opendir = opendir($directory))
{
while ($file = readdir($opendir))
{
if ($file != '.'
and $file != '..'
and is_dir($directory.'/'.$file)
and $file != 'CVS'
and $file != '.svn')
{
array_push($sub_dirs, $file);
}
}
}
return $sub_dirs;
}
// The get_picture_size function return an array containing :
// - $picture_size[0] : final width
// - $picture_size[1] : final height
// The final dimensions are calculated thanks to the original dimensions and
// the maximum dimensions given in parameters. get_picture_size respects
// the width/height ratio
function get_picture_size( $original_width, $original_height,
$max_width, $max_height )
{
$width = $original_width;
$height = $original_height;
$is_original_size = true;
if ( $max_width != "" )
{
if ( $original_width > $max_width )
{
$width = $max_width;
$height = floor( ( $width * $original_height ) / $original_width );
}
}
if ( $max_height != "" )
{
if ( $original_height > $max_height )
{
$height = $max_height;
$width = floor( ( $height * $original_width ) / $original_height );
$is_original_size = false;
}
}
if ( is_numeric( $max_width ) and is_numeric( $max_height )
and $max_width != 0 and $max_height != 0 )
{
$ratioWidth = $original_width / $max_width;
$ratioHeight = $original_height / $max_height;
if ( ( $ratioWidth > 1 ) or ( $ratioHeight > 1 ) )
{
if ( $ratioWidth < $ratioHeight )
{
$width = floor( $original_width / $ratioHeight );
$height = $max_height;
}
else
{
$width = $max_width;
$height = floor( $original_height / $ratioWidth );
}
$is_original_size = false;
}
}
$picture_size = array();
$picture_size[0] = $width;
$picture_size[1] = $height;
return $picture_size;
}
/**
* simplify a string to insert it into an URL
*
* based on str2url function from Dotclear
*
* @param string
* @return string
*/
function str2url($str)
{
$str = strtr(
$str,
'ÀÁÂÃÄÅàáâãäåÇçÒÓÔÕÖØòóôõöøÈÉÊËèéêëÌÍÎÏìíîïÙÚÛÜùúûü¾ÝÿýÑñ',
'AAAAAAaaaaaaCcOOOOOOooooooEEEEeeeeIIIIiiiiUUUUuuuuYYyyNn'
);
$str = str_replace('Æ', 'AE', $str);
$str = str_replace('æ', 'ae', $str);
$str = str_replace('¼', 'OE', $str);
$str = str_replace('½', 'oe', $str);
$str = preg_replace('/[^a-z0-9_\s\'\:\/\[\],-]/','',strtolower($str));
$str = preg_replace('/[\s\'\:\/\[\],-]+/',' ',trim($str));
$res = str_replace(' ','_',$str);
return $res;
}
//-------------------------------------------- PhpWebGallery specific functions
/**
* returns an array with a list of {language_code => language_name}
*
* @returns array
*/
function get_languages()
{
$dir = opendir(PHPWG_ROOT_PATH.'language');
$languages = array();
while ($file = readdir($dir))
{
$path = PHPWG_ROOT_PATH.'language/'.$file;
if (is_dir($path) and !is_link($path) and file_exists($path.'/iso.txt'))
{
list($language_name) = @file($path.'/iso.txt');
$languages[$file] = $language_name;
}
}
closedir($dir);
@asort($languages);
@reset($languages);
return $languages;
}
/**
* replaces the $search into $search in the
* given $string.
*
* case insensitive replacements, does not replace characters in HTML tags
*
* @param string $string
* @param string $search
* @param string $style
* @return string
*/
function add_style( $string, $search, $style )
{
//return $string;
$return_string = '';
$remaining = $string;
$start = 0;
$end = 0;
$start = strpos ( $remaining, '<' );
$end = strpos ( $remaining, '>' );
while ( is_numeric( $start ) and is_numeric( $end ) )
{
$treatment = substr ( $remaining, 0, $start );
$treatment = preg_replace( '/('.$search.')/i',
'\\0',
$treatment );
$return_string.= $treatment.substr( $remaining, $start, $end-$start+1 );
$remaining = substr ( $remaining, $end + 1, strlen( $remaining ) );
$start = strpos ( $remaining, '<' );
$end = strpos ( $remaining, '>' );
}
$treatment = preg_replace( '/('.$search.')/i',
'\\0',
$remaining );
$return_string.= $treatment;
return $return_string;
}
// replace_search replaces a searched words array string by the search in
// another style for the given $string.
function replace_search( $string, $search )
{
// FIXME : with new advanced search, this function needs a rewrite
return $string;
$words = explode( ',', $search );
$style = 'background-color:white;color:red;';
foreach ( $words as $word ) {
$string = add_style( $string, $word, $style );
}
return $string;
}
function pwg_log( $file, $category, $picture = '' )
{
global $conf, $user;
if ( is_admin() )
{
$doit=$conf['history_admin'];
}
elseif ( $user['is_the_guest'] )
{
$doit=$conf['history_guest'];
}
else
{
$doit = $conf['log'];
}
if ($doit)
{
$login = ($user['id'] == $conf['guest_id'])
? 'guest' : addslashes($user['username']);
insert_into_history($login, $file, $category, $picture);
}
}
function pwg_log_login( $username )
{
global $conf;
if ( $conf['login_history'] )
{
insert_into_history($username, 'login', '', '');
}
}
// inserts a row in the history table
function insert_into_history( $login, $file, $category, $picture)
{
$query = '
INSERT INTO '.HISTORY_TABLE.'
(date,login,IP,file,category,picture)
VALUES
(NOW(),
\''.$login.'\',
\''.$_SERVER['REMOTE_ADDR'].'\',
\''.addslashes($file).'\',
\''.addslashes(strip_tags($category)).'\',
\''.addslashes($picture).'\')
;';
pwg_query($query);
}
// format_date returns a formatted date for display. The date given in
// argument can be a unixdate (number of seconds since the 01.01.1970) or an
// american format (2003-09-15). By option, you can show the time. The
// output is internationalized.
//
// format_date( "2003-09-15", 'us', true ) -> "Monday 15 September 2003 21:52"
function format_date($date, $type = 'us', $show_time = false)
{
global $lang;
list($year,$month,$day,$hour,$minute,$second) = array(0,0,0,0,0,0);
switch ( $type )
{
case 'us' :
{
list($year,$month,$day) = explode('-', $date);
break;
}
case 'unix' :
{
list($year,$month,$day,$hour,$minute) =
explode('.', date('Y.n.j.G.i', $date));
break;
}
case 'mysql_datetime' :
{
preg_match('/^(\d{4})-(\d{2})-(\d{2}) (\d{2}):(\d{2}):(\d{2})$/',
$date, $out);
list($year,$month,$day,$hour,$minute,$second) =
array($out[1],$out[2],$out[3],$out[4],$out[5],$out[6]);
break;
}
}
$formated_date = '';
// before 1970, Microsoft Windows can't mktime
if ($year >= 1970)
{
// we ask midday because Windows think it's prior to midnight with a
// zero and refuse to work
$formated_date.= $lang['day'][date('w', mktime(12,0,0,$month,$day,$year))];
}
$formated_date.= ' '.$day;
$formated_date.= ' '.$lang['month'][(int)$month];
$formated_date.= ' '.$year;
if ($show_time)
{
$formated_date.= ' '.$hour.':'.$minute;
}
return $formated_date;
}
function pwg_stripslashes($value)
{
if (get_magic_quotes_gpc())
{
$value = stripslashes($value);
}
return $value;
}
function pwg_addslashes($value)
{
if (!get_magic_quotes_gpc())
{
$value = addslashes($value);
}
return $value;
}
function pwg_quotemeta($value)
{
if (get_magic_quotes_gpc()) {
$value = stripslashes($value);
}
if (function_exists('mysql_real_escape_string'))
{
$value = mysql_real_escape_string($value);
}
else
{
$value = mysql_escape_string($value);
}
return $value;
}
function pwg_query($query)
{
global $conf,$page,$debug,$t2;
$start = get_moment();
$result = mysql_query($query) or my_error($query."\n");
$time = get_moment() - $start;
if (!isset($page['count_queries']))
{
$page['count_queries'] = 0;
$page['queries_time'] = 0;
}
$page['count_queries']++;
$page['queries_time']+= $time;
if ($conf['show_queries'])
{
$output = '';
$output.= '['.$page['count_queries'].'] ';
$output.= "\n".$query;
$output.= "\n".'(this query time : ';
$output.= ''.number_format($time, 3, '.', ' ').' s)';
$output.= "\n".'(total SQL time : ';
$output.= number_format($page['queries_time'], 3, '.', ' ').' s)';
$output.= "\n".'(total time : ';
$output.= number_format( ($time+$start-$t2), 3, '.', ' ').' s)';
$output.= "\n";
$debug .= $output;
}
return $result;
}
function pwg_debug( $string )
{
global $debug,$t2,$page;
$now = explode( ' ', microtime() );
$now2 = explode( '.', $now[0] );
$now2 = $now[1].'.'.$now2[1];
$time = number_format( $now2 - $t2, 3, '.', ' ').' s';
$debug .= '';
$debug.= '['.$time.', ';
$debug.= $page['count_queries'].' queries] : '.$string;
$debug.= "
\n";
}
/**
* Redirects to the given URL
*
* Note : once this function called, the execution doesn't go further
* (presence of an exit() instruction.
*
* @param string $url
* @param string $title_msg
* @param integer $refreh_time
* @return void
*/
function redirect( $url , $msg = '', $refresh_time = 0)
{
global $user, $template, $lang_info, $conf, $lang, $t2, $page, $debug;
if (!isset($lang_info))
{
$user = build_user( $conf['guest_id'], true);
include_once(get_language_filepath('common.lang.php'));
list($tmpl, $thm) = explode('/', $conf['default_template']);
$template = new Template(PHPWG_ROOT_PATH.'template/'.$tmpl, $thm);
}
else
{
$template = new Template(PHPWG_ROOT_PATH.'template/'.$user['template'], $user['theme']);
}
if (empty($msg))
{
$redirect_msg = l10n('redirect_msg');
}
else
{
$redirect_msg = $msg;
}
$redirect_msg = nl2br($redirect_msg);
$refresh = $refresh_time;
$url_link = $url;
$title = 'redirection';
$template->set_filenames( array( 'redirect' => 'redirect.tpl' ) );
include( PHPWG_ROOT_PATH.'include/page_header.php' );
$template->set_filenames( array( 'redirect' => 'redirect.tpl' ) );
$template->parse('redirect');
include( PHPWG_ROOT_PATH.'include/page_tail.php' );
exit();
}
/**
* returns $_SERVER['QUERY_STRING'] whitout keys given in parameters
*
* @param array $rejects
* @returns string
*/
function get_query_string_diff($rejects = array())
{
$query_string = '';
$str = $_SERVER['QUERY_STRING'];
parse_str($str, $vars);
$is_first = true;
foreach ($vars as $key => $value)
{
if (!in_array($key, $rejects))
{
$query_string.= $is_first ? '?' : '&';
$is_first = false;
$query_string.= $key.'='.$value;
}
}
return $query_string;
}
function url_is_remote($url)
{
if (preg_match('/^https?:\/\/[~\/\.\w-]+$/', $url))
{
return true;
}
return false;
}
/**
* returns available template/theme
*/
function get_pwg_themes()
{
$themes = array();
$template_dir = PHPWG_ROOT_PATH.'template';
foreach (get_dirs($template_dir) as $template)
{
foreach (get_dirs($template_dir.'/'.$template.'/theme') as $theme)
{
array_push($themes, $template.'/'.$theme);
}
}
return $themes;
}
/* Returns the PATH to the thumbnail to be displayed. If the element does not
* have a thumbnail, the default mime image path is returned. The PATH can be
* used in the php script, but not sent to the browser.
* @param array element_info assoc array containing element info from db
* at least 'path', 'tn_ext' and 'id' should be present
*/
function get_thumbnail_path($element_info)
{
$path = get_thumbnail_location($element_info);
if ( !url_is_remote($path) )
{
$path = PHPWG_ROOT_PATH.$path;
}
return $path;
}
/* Returns the URL of the thumbnail to be displayed. If the element does not
* have a thumbnail, the default mime image url is returned. The URL can be
* sent to the browser, but not used in the php script.
* @param array element_info assoc array containing element info from db
* at least 'path', 'tn_ext' and 'id' should be present
*/
function get_thumbnail_url($element_info)
{
$path = get_thumbnail_location($element_info);
if ( !url_is_remote($path) )
{
$path = get_root_url().$path;
}
// plugins want another url ?
$path = trigger_event('get_thumbnail_url', $path, $element_info);
return $path;
}
/* returns the relative path of the thumnail with regards to to the root
of phpwebgallery (not the current page!).This function is not intended to be
called directly from code.*/
function get_thumbnail_location($element_info)
{
global $conf;
if ( !empty( $element_info['tn_ext'] ) )
{
$path = substr_replace(
get_filename_wo_extension($element_info['path']),
'/thumbnail/'.$conf['prefix_thumbnail'],
strrpos($element_info['path'],'/'),
1
);
$path.= '.'.$element_info['tn_ext'];
}
else
{
$path = get_themeconf('mime_icon_dir')
.strtolower(get_extension($element_info['path'])).'.png';
}
// plugins want another location ?
$path = trigger_event( 'get_thumbnail_location', $path, $element_info);
return $path;
}
// my_error returns (or send to standard output) the message concerning the
// error occured for the last mysql query.
function my_error($header)
{
global $conf;
$error = '';
$error.= $header;
$error.= '[mysql error '.mysql_errno().'] ';
$error.= mysql_error();
$error.= '
';
if ($conf['die_on_sql_error'])
{
die($error);
}
else
{
echo $error;
}
}
/**
* creates an array based on a query, this function is a very common pattern
* used here
*
* @param string $query
* @param string $fieldname
* @return array
*/
function array_from_query($query, $fieldname)
{
$array = array();
$result = pwg_query($query);
while ($row = mysql_fetch_array($result))
{
array_push($array, $row[$fieldname]);
}
return $array;
}
/**
* instantiate number list for days in a template block
*
* @param string blockname
* @param string selection
*/
function get_day_list($blockname, $selection)
{
global $template;
$template->assign_block_vars(
$blockname, array('SELECTED' => '', 'VALUE' => 0, 'OPTION' => '--'));
for ($i = 1; $i <= 31; $i++)
{
$selected = '';
if ($i == (int)$selection)
{
$selected = 'selected="selected"';
}
$template->assign_block_vars(
$blockname, array('SELECTED' => $selected,
'VALUE' => $i,
'OPTION' => str_pad($i, 2, '0', STR_PAD_LEFT)));
}
}
/**
* instantiate month list in a template block
*
* @param string blockname
* @param string selection
*/
function get_month_list($blockname, $selection)
{
global $template, $lang;
$template->assign_block_vars(
$blockname, array('SELECTED' => '',
'VALUE' => 0,
'OPTION' => '------------'));
for ($i = 1; $i <= 12; $i++)
{
$selected = '';
if ($i == (int)$selection)
{
$selected = 'selected="selected"';
}
$template->assign_block_vars(
$blockname, array('SELECTED' => $selected,
'VALUE' => $i,
'OPTION' => $lang['month'][$i]));
}
}
/**
* fill the current user caddie with given elements, if not already in
* caddie
*
* @param array elements_id
*/
function fill_caddie($elements_id)
{
global $user;
include_once(PHPWG_ROOT_PATH.'admin/include/functions.php');
$query = '
SELECT element_id
FROM '.CADDIE_TABLE.'
WHERE user_id = '.$user['id'].'
;';
$in_caddie = array_from_query($query, 'element_id');
$caddiables = array_diff($elements_id, $in_caddie);
$datas = array();
foreach ($caddiables as $caddiable)
{
array_push($datas, array('element_id' => $caddiable,
'user_id' => $user['id']));
}
if (count($caddiables) > 0)
{
mass_inserts(CADDIE_TABLE, array('element_id','user_id'), $datas);
}
}
/**
* returns the element name from its filename
*
* @param string filename
* @return string name
*/
function get_name_from_file($filename)
{
return str_replace('_',' ',get_filename_wo_extension($filename));
}
/**
* returns the corresponding value from $lang if existing. Else, the key is
* returned
*
* @param string key
* @return string
*/
function l10n($key)
{
global $lang, $conf;
if ($conf['debug_l10n'] and !isset($lang[$key]))
{
echo '[l10n] language key "'.$key.'" is not defined
';
}
return isset($lang[$key]) ? $lang[$key] : $key;
}
/**
* Translate string in string ascii7bits
* It's possible to do that with iconv_substr
* but this fonction is not avaible on all the providers.
*
* @param string str
* @return string
*/
function str_translate_to_ascii7bits($str)
{
global $lang_table_translate_ascii7bits;
$src_table = array_keys($lang_table_translate_ascii7bits);
$dst_table = array_values($lang_table_translate_ascii7bits);
return str_replace($src_table , $dst_table, $str);
}
/**
* returns the corresponding value from $themeconf if existing. Else, the
* key is returned
*
* @param string key
* @return string
*/
function get_themeconf($key)
{
global $template;
return $template->get_themeconf($key);
}
/**
* Returns webmaster mail address depending on $conf['webmaster_id']
*
* @return string
*/
function get_webmaster_mail_address()
{
global $conf;
$query = '
SELECT '.$conf['user_fields']['email'].'
FROM '.USERS_TABLE.'
WHERE '.$conf['user_fields']['id'].' = '.$conf['webmaster_id'].'
;';
list($email) = mysql_fetch_array(pwg_query($query));
return $email;
}
/**
* which upgrades are available ?
*
* @return array
*/
function get_available_upgrade_ids()
{
$upgrades_path = PHPWG_ROOT_PATH.'install/db';
$available_upgrade_ids = array();
if ($contents = opendir($upgrades_path))
{
while (($node = readdir($contents)) !== false)
{
if (is_file($upgrades_path.'/'.$node)
and preg_match('/^(.*?)-database\.php$/', $node, $match))
{
array_push($available_upgrade_ids, $match[1]);
}
}
}
natcasesort($available_upgrade_ids);
return $available_upgrade_ids;
}
/**
* Add configuration parameters from database to global $conf array
*
* @return void
*/
function load_conf_from_db()
{
global $conf;
$query = '
SELECT param,value
FROM '.CONFIG_TABLE.'
;';
$result = pwg_query($query);
if (mysql_num_rows($result) == 0)
{
die('No configuration data');
}
while ($row = mysql_fetch_array($result))
{
$conf[ $row['param'] ] = isset($row['value']) ? $row['value'] : '';
// If the field is true or false, the variable is transformed into a
// boolean value.
if ($conf[$row['param']] == 'true' or $conf[$row['param']] == 'false')
{
$conf[ $row['param'] ] = get_boolean($conf[ $row['param'] ]);
}
}
}
?>