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 ; // -> 0 $end = strpos ( $remaining, '>' ); // -> 16 // as long as a '<' and his friend '>' are found, we loop while ( ($start=strpos( $remaining, '<' )) !==false and ($end=strpos( $remaining, '>' )) !== false ) { // $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 ) ); } $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 ".svn" * * @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 $file != '.svn') { array_push($sub_dirs, $file); } } closedir($opendir); } return $sub_dirs; } define('MKGETDIR_NONE', 0); define('MKGETDIR_RECURSIVE', 1); define('MKGETDIR_DIE_ON_ERROR', 2); define('MKGETDIR_PROTECT_INDEX', 4); define('MKGETDIR_PROTECT_HTACCESS', 8); define('MKGETDIR_DEFAULT', 7); /** * creates directory if not exists; ensures that directory is writable * @param: * string $dir * int $flags combination of MKGETDIR_xxx * @return bool false on error else true */ function mkgetdir($dir, $flags=MKGETDIR_DEFAULT) { if ( !is_dir($dir) ) { $umask = umask(0); $mkd = @mkdir($dir, 0755, ($flags&MKGETDIR_RECURSIVE) ? true:false ); umask($umask); if ($mkd==false) { !($flags&MKGETDIR_DIE_ON_ERROR) or fatal_error( "$dir ".l10n('no write access')); return false; } if( $flags&MKGETDIR_PROTECT_HTACCESS ) { $file = $dir.'/.htaccess'; file_exists($file) or @file_put_contents( $file, 'deny from all' ); } if( $flags&MKGETDIR_PROTECT_INDEX ) { $file = $dir.'/index.htm'; file_exists($file) or @file_put_contents( $file, 'Not allowed!' ); } } if ( !is_writable($dir) ) { !($flags&MKGETDIR_DIE_ON_ERROR) or fatal_error( "$dir ".l10n('no write access')); return false; } return true; } /** * returns thumbnail directory name of input diretoty name * make thumbnail directory is necessary * set error messages on array messages * * @param: * string $dirname * arrayy $errors * @return bool false on error else string directory name */ function mkget_thumbnail_dir($dirname, &$errors) { global $conf; $tndir = $dirname.'/'.$conf['dir_thumbnail']; if (! mkgetdir($tndir, MKGETDIR_NONE) ) { array_push($errors, '['.$dirname.'] : '.l10n('no write access')); return false; } return $tndir; } /* Returns true if the string appears to be encoded in UTF-8. (from wordpress) * @param string Str */ function seems_utf8($Str) { # by bmorel at ssi dot fr for ($i=0; $i 'A', chr(195).chr(129) => 'A', chr(195).chr(130) => 'A', chr(195).chr(131) => 'A', chr(195).chr(132) => 'A', chr(195).chr(133) => 'A', chr(195).chr(135) => 'C', chr(195).chr(136) => 'E', chr(195).chr(137) => 'E', chr(195).chr(138) => 'E', chr(195).chr(139) => 'E', chr(195).chr(140) => 'I', chr(195).chr(141) => 'I', chr(195).chr(142) => 'I', chr(195).chr(143) => 'I', chr(195).chr(145) => 'N', chr(195).chr(146) => 'O', chr(195).chr(147) => 'O', chr(195).chr(148) => 'O', chr(195).chr(149) => 'O', chr(195).chr(150) => 'O', chr(195).chr(153) => 'U', chr(195).chr(154) => 'U', chr(195).chr(155) => 'U', chr(195).chr(156) => 'U', chr(195).chr(157) => 'Y', chr(195).chr(159) => 's', chr(195).chr(160) => 'a', chr(195).chr(161) => 'a', chr(195).chr(162) => 'a', chr(195).chr(163) => 'a', chr(195).chr(164) => 'a', chr(195).chr(165) => 'a', chr(195).chr(167) => 'c', chr(195).chr(168) => 'e', chr(195).chr(169) => 'e', chr(195).chr(170) => 'e', chr(195).chr(171) => 'e', chr(195).chr(172) => 'i', chr(195).chr(173) => 'i', chr(195).chr(174) => 'i', chr(195).chr(175) => 'i', chr(195).chr(177) => 'n', chr(195).chr(178) => 'o', chr(195).chr(179) => 'o', chr(195).chr(180) => 'o', chr(195).chr(181) => 'o', chr(195).chr(182) => 'o', chr(195).chr(182) => 'o', chr(195).chr(185) => 'u', chr(195).chr(186) => 'u', chr(195).chr(187) => 'u', chr(195).chr(188) => 'u', chr(195).chr(189) => 'y', chr(195).chr(191) => 'y', // Decompositions for Latin Extended-A chr(196).chr(128) => 'A', chr(196).chr(129) => 'a', chr(196).chr(130) => 'A', chr(196).chr(131) => 'a', chr(196).chr(132) => 'A', chr(196).chr(133) => 'a', chr(196).chr(134) => 'C', chr(196).chr(135) => 'c', chr(196).chr(136) => 'C', chr(196).chr(137) => 'c', chr(196).chr(138) => 'C', chr(196).chr(139) => 'c', chr(196).chr(140) => 'C', chr(196).chr(141) => 'c', chr(196).chr(142) => 'D', chr(196).chr(143) => 'd', chr(196).chr(144) => 'D', chr(196).chr(145) => 'd', chr(196).chr(146) => 'E', chr(196).chr(147) => 'e', chr(196).chr(148) => 'E', chr(196).chr(149) => 'e', chr(196).chr(150) => 'E', chr(196).chr(151) => 'e', chr(196).chr(152) => 'E', chr(196).chr(153) => 'e', chr(196).chr(154) => 'E', chr(196).chr(155) => 'e', chr(196).chr(156) => 'G', chr(196).chr(157) => 'g', chr(196).chr(158) => 'G', chr(196).chr(159) => 'g', chr(196).chr(160) => 'G', chr(196).chr(161) => 'g', chr(196).chr(162) => 'G', chr(196).chr(163) => 'g', chr(196).chr(164) => 'H', chr(196).chr(165) => 'h', chr(196).chr(166) => 'H', chr(196).chr(167) => 'h', chr(196).chr(168) => 'I', chr(196).chr(169) => 'i', chr(196).chr(170) => 'I', chr(196).chr(171) => 'i', chr(196).chr(172) => 'I', chr(196).chr(173) => 'i', chr(196).chr(174) => 'I', chr(196).chr(175) => 'i', chr(196).chr(176) => 'I', chr(196).chr(177) => 'i', chr(196).chr(178) => 'IJ',chr(196).chr(179) => 'ij', chr(196).chr(180) => 'J', chr(196).chr(181) => 'j', chr(196).chr(182) => 'K', chr(196).chr(183) => 'k', chr(196).chr(184) => 'k', chr(196).chr(185) => 'L', chr(196).chr(186) => 'l', chr(196).chr(187) => 'L', chr(196).chr(188) => 'l', chr(196).chr(189) => 'L', chr(196).chr(190) => 'l', chr(196).chr(191) => 'L', chr(197).chr(128) => 'l', chr(197).chr(129) => 'L', chr(197).chr(130) => 'l', chr(197).chr(131) => 'N', chr(197).chr(132) => 'n', chr(197).chr(133) => 'N', chr(197).chr(134) => 'n', chr(197).chr(135) => 'N', chr(197).chr(136) => 'n', chr(197).chr(137) => 'N', chr(197).chr(138) => 'n', chr(197).chr(139) => 'N', chr(197).chr(140) => 'O', chr(197).chr(141) => 'o', chr(197).chr(142) => 'O', chr(197).chr(143) => 'o', chr(197).chr(144) => 'O', chr(197).chr(145) => 'o', chr(197).chr(146) => 'OE',chr(197).chr(147) => 'oe', chr(197).chr(148) => 'R',chr(197).chr(149) => 'r', chr(197).chr(150) => 'R',chr(197).chr(151) => 'r', chr(197).chr(152) => 'R',chr(197).chr(153) => 'r', chr(197).chr(154) => 'S',chr(197).chr(155) => 's', chr(197).chr(156) => 'S',chr(197).chr(157) => 's', chr(197).chr(158) => 'S',chr(197).chr(159) => 's', chr(197).chr(160) => 'S', chr(197).chr(161) => 's', chr(197).chr(162) => 'T', chr(197).chr(163) => 't', chr(197).chr(164) => 'T', chr(197).chr(165) => 't', chr(197).chr(166) => 'T', chr(197).chr(167) => 't', chr(197).chr(168) => 'U', chr(197).chr(169) => 'u', chr(197).chr(170) => 'U', chr(197).chr(171) => 'u', chr(197).chr(172) => 'U', chr(197).chr(173) => 'u', chr(197).chr(174) => 'U', chr(197).chr(175) => 'u', chr(197).chr(176) => 'U', chr(197).chr(177) => 'u', chr(197).chr(178) => 'U', chr(197).chr(179) => 'u', chr(197).chr(180) => 'W', chr(197).chr(181) => 'w', chr(197).chr(182) => 'Y', chr(197).chr(183) => 'y', chr(197).chr(184) => 'Y', chr(197).chr(185) => 'Z', chr(197).chr(186) => 'z', chr(197).chr(187) => 'Z', chr(197).chr(188) => 'z', chr(197).chr(189) => 'Z', chr(197).chr(190) => 'z', chr(197).chr(191) => 's', // Euro Sign chr(226).chr(130).chr(172) => 'E', // GBP (Pound) Sign chr(194).chr(163) => ''); $string = strtr($string, $chars); } else { // Assume ISO-8859-1 if not UTF-8 $chars['in'] = chr(128).chr(131).chr(138).chr(142).chr(154).chr(158) .chr(159).chr(162).chr(165).chr(181).chr(192).chr(193).chr(194) .chr(195).chr(196).chr(197).chr(199).chr(200).chr(201).chr(202) .chr(203).chr(204).chr(205).chr(206).chr(207).chr(209).chr(210) .chr(211).chr(212).chr(213).chr(214).chr(216).chr(217).chr(218) .chr(219).chr(220).chr(221).chr(224).chr(225).chr(226).chr(227) .chr(228).chr(229).chr(231).chr(232).chr(233).chr(234).chr(235) .chr(236).chr(237).chr(238).chr(239).chr(241).chr(242).chr(243) .chr(244).chr(245).chr(246).chr(248).chr(249).chr(250).chr(251) .chr(252).chr(253).chr(255); $chars['out'] = "EfSZszYcYuAAAAAACEEEEIIIINOOOOOOUUUUYaaaaaaceeeeiiiinoooooouuuuyy"; $string = strtr($string, $chars['in'], $chars['out']); $double_chars['in'] = array(chr(140), chr(156), chr(198), chr(208), chr(222), chr(223), chr(230), chr(240), chr(254)); $double_chars['out'] = array('OE', 'oe', 'AE', 'DH', 'TH', 'ss', 'ae', 'dh', 'th'); $string = str_replace($double_chars['in'], $double_chars['out'], $string); } return $string; } /** * simplify a string to insert it into an URL * * @param string * @return string */ function str2url($str) { $str = remove_accents($str); $str = preg_replace('/[^a-z0-9_\s\'\:\/\[\],-]/','',strtolower($str)); $str = preg_replace('/[\s\'\:\/\[\],-]+/',' ',trim($str)); $res = str_replace(' ','_',$str); return $res; } //-------------------------------------------- Piwigo specific functions /** * returns an array with a list of {language_code => language_name} * * @returns array */ function get_languages($target_charset = null) { if ( empty($target_charset) ) { $target_charset = get_pwg_charset(); } $target_charset = strtolower($target_charset); $dir = opendir(PHPWG_ROOT_PATH.'language'); $languages = array(); while ($file = readdir($dir)) { $path = PHPWG_ROOT_PATH.'language/'.$file; if (!is_link($path) and file_exists($path.'/iso.txt')) { list($language_name) = @file($path.'/iso.txt'); $langdef = explode('.',$file); if (count($langdef)>1) // (langCode,encoding) { $langdef[1] = strtolower($langdef[1]); if ( $target_charset==$langdef[1] or ($target_charset=='utf-8' and $langdef[1]=='iso-8859-1') or ($target_charset=='iso-8859-1' and in_array( substr($langdef[0],2), array('en','fr','de','es','it','nl'))) ) { $language_name = convert_charset($language_name, $langdef[1], $target_charset); $languages[ $langdef[0] ] = $language_name; } else continue; // the language encoding is not compatible with our charset } else { // UTF-8 $language_name = convert_charset($language_name, 'utf-8', $target_charset); $languages[$file] = $language_name; } } } closedir($dir); @asort($languages); return $languages; } function pwg_log($image_id = null, $image_type = null) { global $conf, $user, $page; $do_log = $conf['log']; if (is_admin()) { $do_log = $conf['history_admin']; } if (is_a_guest()) { $do_log = $conf['history_guest']; } $do_log = trigger_event('pwg_log_allowed', $do_log, $image_id, $image_type); if (!$do_log) { return false; } $tags_string = null; if ('tags'==@$page['section']) { $tags_string = implode(',', $page['tag_ids']); } $query = ' INSERT INTO '.HISTORY_TABLE.' ( date, time, user_id, IP, section, category_id, image_id, image_type, tag_ids ) VALUES ( CURRENT_DATE, CURRENT_TIME, '.$user['id'].', \''.$_SERVER['REMOTE_ADDR'].'\', '.(isset($page['section']) ? "'".$page['section']."'" : 'NULL').', '.(isset($page['category']['id']) ? $page['category']['id'] : 'NULL').', '.(isset($image_id) ? $image_id : 'NULL').', '.(isset($image_type) ? "'".$image_type."'" : 'NULL').', '.(isset($tags_string) ? "'".$tags_string."'" : 'NULL').' ) ;'; pwg_query($query); return true; } // format_date returns a formatted date for display. The date given in // argument must be an american format (2003-09-15). By option, you can show the time. // The output is internationalized. // // format_date( "2003-09-15", true ) -> "Monday 15 September 2003 21:52" function format_date($date, $show_time = false) { global $lang; if (strpos($date, '0') == 0) { return l10n('N/A'); } $ymdhms = array(); $tok = strtok( $date, '- :'); while ($tok !== false) { $ymdhms[] = $tok; $tok = strtok('- :'); } if ( count($ymdhms)<3 ) { return false; } $formated_date = ''; // before 1970, Microsoft Windows can't mktime if ($ymdhms[0] >= 1970) { // we ask midday because Windows think it's prior to midnight with a // zero and refuse to work $formated_date.= $lang['day'][date('w', mktime(12,0,0,$ymdhms[1],$ymdhms[2],$ymdhms[0]))]; } $formated_date.= ' '.$ymdhms[2]; $formated_date.= ' '.$lang['month'][(int)$ymdhms[1]]; $formated_date.= ' '.$ymdhms[0]; if ($show_time and count($ymdhms)>=5 ) { $formated_date.= ' '.$ymdhms[3].':'.$ymdhms[4]; } return $formated_date; } 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 (HTTP method) * * Note : once this function called, the execution doesn't go further * (presence of an exit() instruction. * * @param string $url * @return void */ function redirect_http( $url ) { if (ob_get_length () !== FALSE) { ob_clean(); } // default url is on html format $url = html_entity_decode($url); header('Request-URI: '.$url); header('Content-Location: '.$url); header('Location: '.$url); exit(); } /** * Redirects to the given URL (HTML method) * * 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_html( $url , $msg = '', $refresh_time = 0) { global $user, $template, $lang_info, $conf, $lang, $t2, $page, $debug; if (!isset($lang_info)) { $user = build_user( $conf['guest_id'], true); load_language('common.lang'); trigger_action('loading_lang'); load_language('local.lang', '', array('no_fallback'=>true) ); list($tmpl, $thm) = explode('/', get_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)) { $msg = nl2br(l10n('Redirection...')); } $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->assign('REDIRECT_MSG', $msg); $template->parse('redirect'); include( PHPWG_ROOT_PATH.'include/page_tail.php' ); exit(); } /** * Redirects to the given URL (Switch to HTTP method or HTML method) * * 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 $conf; // with RefeshTime <> 0, only html must be used if ($conf['default_redirect_method']=='http' and $refresh_time==0 and !headers_sent() ) { redirect_http($url); } else { redirect_html($url, $msg, $refresh_time); } } /** * returns $_SERVER['QUERY_STRING'] whitout keys given in parameters * * @param array $rejects * @param boolean $escape - if true escape & to & (for html) * @returns string */ function get_query_string_diff($rejects=array(), $escape=true) { $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.= $is_first ? '?' : ($escape ? '&' : '&' ); $is_first = false; $query_string.= $key.'='.$value; } } return $query_string; } function url_is_remote($url) { if ( strncmp($url, 'http://', 7)==0 or strncmp($url, 'https://', 8)==0 ) { return true; } return false; } /** * returns available template/theme */ function get_pwg_themes() { global $conf; $themes = array(); $template_dir = PHPWG_ROOT_PATH.'template'; foreach (get_dirs($template_dir) as $template) { if ( $template != 'default' ) { foreach (get_dirs($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) ) { $path = embellish_url(get_root_url().$path); } // plugins want another url ? $path = trigger_event('get_thumbnail_url', $path, $element_info); return $path; } /* returns the relative path of the thumnail with regards to to the root of piwigo (not the current page!).This function is not intended to be called directly from code.*/ function get_thumbnail_location($element_info) { global $conf; if ( !empty( $element_info['tn_ext'] ) ) { $path = substr_replace( get_filename_wo_extension($element_info['path']), '/'.$conf['dir_thumbnail'].'/'.$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 $path; } /* returns the title of the thumnail */ function get_thumbnail_title($element_info) { // message in title for the thumbnail if (isset($element_info['file'])) { $thumbnail_title = $element_info['file']; } else { $thumbnail_title = ''; } if (!empty($element_info['filesize'])) { $thumbnail_title .= ' : '.sprintf(l10n('%d Kb'), $element_info['filesize']); } return $thumbnail_title; } /** * fill the current user caddie with given elements, if not already in * caddie * * @param array elements_id */ function fill_caddie($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, $textdomain='messages') { global $user; if (empty($user['language'])) { $locale = $GLOBALS['language']; } else { $locale = $user['language']; } T_setlocale(LC_ALL, $locale.'.UTF-8'); // Specify location of translation tables T_bindtextdomain($textdomain, "./language"); // Choose domain T_textdomain($textdomain); return T_gettext($key); } /** * returns the prinft value for strings including %d * return is concorded with decimal value (singular, plural) * * @param singular string key * @param plural string key * @param decimal value * @return string */ function l10n_dec($singular_fmt_key, $plural_fmt_key, $decimal, $textdomain='messages') { global $user; if (empty($user['language'])) { $locale = $GLOBALS['language']; } else { $locale = $user['language']; } T_setlocale(LC_ALL, $locale.'.UTF-8'); // Specify location of translation tables T_bindtextdomain($textdomain, "./language"); // Choose domain T_textdomain($textdomain); return sprintf(T_ngettext($singular_fmt_key, $plural_fmt_key, $decimal), $decimal ); } /* * returns a single element to use with l10n_args * * @param string key: translation key * @param array/string/../number args: * arguments to use on sprintf($key, args) * if args is a array, each values are used on sprintf * @return string */ function get_l10n_args($key, $args) { if (is_array($args)) { $key_arg = array_merge(array($key), $args); } else { $key_arg = array($key, $args); } return array('key_args' => $key_arg); } /* * returns a string with formated with l10n_args elements * * @param element/array $key_args: element or array of l10n_args elements * @param $sep: if $key_args is array, * separator is used when translated l10n_args elements are concated * @return string */ function l10n_args($key_args, $sep = "\n") { if (is_array($key_args)) { foreach ($key_args as $key => $element) { if (isset($result)) { $result .= $sep; } else { $result = ''; } if ($key === 'key_args') { array_unshift($element, l10n(array_shift($element))); $result .= call_user_func_array('sprintf', $element); } else { $result .= l10n_args($element, $sep); } } } else { fatal_error('l10n_args: Invalid arguments'); } return $result; } /** * 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($email) = pwg_db_fetch_row(pwg_query($query)); return $email; } /** * Add configuration parameters from database to global $conf array * * @return void */ function load_conf_from_db($condition = '') { global $conf; $query = ' SELECT param, value FROM '.CONFIG_TABLE.' '.(!empty($condition) ? 'WHERE '.$condition : '').' ;'; $result = pwg_query($query); if ((pwg_db_num_rows($result) == 0) and !empty($condition)) { fatal_error('No configuration data'); } while ($row = pwg_db_fetch_assoc($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[ $row['param'] ]); } } } /** * Prepends and appends a string at each value of the given array. * * @param array * @param string prefix to each array values * @param string suffix to each array values */ function prepend_append_array_items($array, $prepend_str, $append_str) { array_walk( $array, create_function('&$s', '$s = "'.$prepend_str.'".$s."'.$append_str.'";') ); return $array; } /** * creates an hashed based on a query, this function is a very common * pattern used here. Among the selected columns fetched, choose one to be * the key, another one to be the value. * * @param string $query * @param string $keyname * @param string $valuename * @return array */ function simple_hash_from_query($query, $keyname, $valuename) { $array = array(); $result = pwg_query($query); while ($row = pwg_db_fetch_assoc($result)) { $array[ $row[$keyname] ] = $row[$valuename]; } return $array; } /** * creates an hashed based on a query, this function is a very common * pattern used here. The key is given as parameter, the value is an associative * array. * * @param string $query * @param string $keyname * @return array */ function hash_from_query($query, $keyname) { $array = array(); $result = pwg_query($query); while ($row = pwg_db_fetch_assoc($result)) { $array[ $row[$keyname] ] = $row; } return $array; } /** * Return basename of the current script * Lower case convertion is applied on return value * Return value is without file extention ".php" * * @param void * * @return script basename */ function script_basename() { global $conf; foreach (array('SCRIPT_NAME', 'SCRIPT_FILENAME', 'PHP_SELF') as $value) { if (!empty($_SERVER[$value])) { $filename = strtolower($_SERVER[$value]); if ($conf['php_extension_in_urls'] and get_extension($filename)!=='php') continue; $basename = basename($filename, '.php'); if (!empty($basename)) { return $basename; } } } return ''; } /** * Return value for the current page define on $conf['filter_pages'] * Îf value is not defined, default value are returned * * @param value name * * @return filter page value */ function get_filter_page_value($value_name) { global $conf; $page_name = script_basename(); if (isset($conf['filter_pages'][$page_name][$value_name])) { return $conf['filter_pages'][$page_name][$value_name]; } else if (isset($conf['filter_pages']['default'][$value_name])) { return $conf['filter_pages']['default'][$value_name]; } else { return null; } } /** * returns the character set of data sent to browsers / received from forms */ function get_pwg_charset() { defined('PWG_CHARSET') or fatal_error('PWG_CHARSET undefined'); return PWG_CHARSET; } /** * includes a language file or returns the content of a language file * availability of the file * * in descending order of preference: * param language, user language, default language * Piwigo default language. * * @param string filename * @param string dirname * @param mixed options can contain * language - language to load (if empty uses user language) * return - if true the file content is returned otherwise the file is evaluated as php * target_charset - * no_fallback - the language must be respected * @return boolean success status or a string if options['return'] is true */ function load_language($filename, $dirname = '', $options = array() ) { global $user; if (! @$options['return'] ) { $filename .= '.php'; //MAYBE to do .. load .po and .mo localization files } if (empty($dirname)) { $dirname = PHPWG_ROOT_PATH; } $dirname .= 'language/'; $languages = array(); if ( !empty($options['language']) ) { $languages[] = $options['language']; } if ( !empty($user['language']) ) { $languages[] = $user['language']; } if ( ! @$options['no_fallback'] ) { if ( defined('PHPWG_INSTALLED') ) { $languages[] = get_default_language(); } $languages[] = PHPWG_DEFAULT_LANGUAGE; } $languages = array_unique($languages); if ( empty($options['target_charset']) ) { $target_charset = get_pwg_charset(); } else { $target_charset = $options['target_charset']; } $target_charset = strtolower($target_charset); $source_charset = ''; $source_file = ''; foreach ($languages as $language) { $dir = $dirname.$language; if ($target_charset!='utf-8') { // exact charset match - no conversion required $f = $dir.'.'.$target_charset.'/'.$filename; if (file_exists($f)) { $source_file = $f; break; } } // UTF-8 ? $f = $dir.'/'.$filename; if (file_exists($f)) { $source_charset = 'utf-8'; $source_file = $f; break; } } if ( !empty($source_file) ) { if (! @$options['return'] ) { @include($source_file); $load_lang = @$lang; $load_lang_info = @$lang_info; global $lang, $lang_info; if ( !isset($lang) ) $lang=array(); if ( !isset($lang_info) ) $lang_info=array(); if ( !empty($source_charset) and $source_charset!=$target_charset) { if ( is_array($load_lang) ) { foreach ($load_lang as $k => $v) { if ( is_array($v) ) { $func = create_function('$v', 'return convert_charset($v, "'.$source_charset.'","'.$target_charset.'");' ); $lang[$k] = array_map($func, $v); } else $lang[$k] = convert_charset($v, $source_charset, $target_charset); } } if ( is_array($load_lang_info) ) { foreach ($load_lang_info as $k => $v) { $lang_info[$k] = convert_charset($v, $source_charset, $target_charset); } } } else { $lang = array_merge( $lang, (array)$load_lang ); $lang_info = array_merge( $lang_info, (array)$load_lang_info ); } return true; } else { $content = @file_get_contents($source_file); if ( !empty($source_charset) and $source_charset!=$target_charset) { $content = convert_charset($content, $source_charset, $target_charset); } return $content; } } return false; } /** * converts a string from a character set to another character set * @param string str the string to be converted * @param string source_charset the character set in which the string is encoded * @param string dest_charset the destination character set */ function convert_charset($str, $source_charset, $dest_charset) { if ($source_charset==$dest_charset) return $str; if ($source_charset=='iso-8859-1' and $dest_charset=='utf-8') { return utf8_encode($str); } if ($source_charset=='utf-8' and $dest_charset=='iso-8859-1') { return utf8_decode($str); } if (function_exists('iconv')) { return iconv($source_charset, $dest_charset, $str); } if (function_exists('mb_convert_encoding')) { return mb_convert_encoding( $str, $dest_charset, $source_charset ); } return $str; //??? } /** * makes sure a index.htm protects the directory from browser file listing * * @param string dir directory */ function secure_directory($dir) { $file = $dir.'/index.htm'; if (!file_exists($file)) { @file_put_contents($file, 'Not allowed!'); } } /** * returns a "secret key" that is to be sent back when a user enters a comment * * @param int image_id */ function get_comment_post_key($image_id) { global $conf; $time = time(); return sprintf( '%s:%s', $time, hash_hmac( 'md5', $time.':'.$image_id, $conf['secret_key'] ) ); } /** * return an array which will be sent to template to display navigation bar */ function create_navigation_bar($url, $nb_element, $start, $nb_element_page, $clean_url = false) { global $conf; $navbar = array(); $pages_around = $conf['paginate_pages_around']; $start_str = $clean_url ? '/start-' : (strpos($url, '?')===false ? '?':'&').'start='; if (!isset($start) or !is_numeric($start) or (is_numeric($start) and $start < 0)) { $start = 0; } // navigation bar useful only if more than one page to display ! if ($nb_element > $nb_element_page) { $cur_page = ceil($start / $nb_element_page) + 1; $maximum = ceil($nb_element / $nb_element_page); $previous = $start - $nb_element_page; $next = $start + $nb_element_page; $last = ($maximum - 1) * $nb_element_page; $navbar['CURRENT_PAGE'] = $cur_page; // link to first page and previous page? if ($cur_page != 1) { $navbar['URL_FIRST'] = $url; $navbar['URL_PREV'] = $url.($previous > 0 ? $start_str.$previous : ''); } // link on next page and last page? if ($cur_page != $maximum) { $navbar['URL_NEXT'] = $url.$start_str.$next; $navbar['URL_LAST'] = $url.$start_str.$last; } // pages to display $navbar['pages'] = array(); $navbar['pages'][1] = $url; $navbar['pages'][$maximum] = $url.$start_str.$last; for ($i = max($cur_page - $pages_around , 2), $stop = min($cur_page + $pages_around + 1, $maximum); $i < $stop; $i++) { $navbar['pages'][$i] = $url.$start_str.(($i - 1) * $nb_element_page); } ksort($navbar['pages']); } return $navbar; } /** * return an array which will be sent to template to display recent icon */ function get_icon($date, $is_child_date = false) { global $cache, $user; if (empty($date)) { return false; } if (!isset($cache['get_icon']['title'])) { $cache['get_icon']['title'] = sprintf( l10n('images posted during the last %d days'), $user['recent_period'] ); } $icon = array( 'TITLE' => $cache['get_icon']['title'], 'IS_CHILD_DATE' => $is_child_date, ); if (isset($cache['get_icon'][$date])) { return $cache['get_icon'][$date] ? $icon : array(); } if (!isset($cache['get_icon']['sql_recent_date'])) { // Use MySql date in order to standardize all recent "actions/queries" $cache['get_icon']['sql_recent_date'] = pwg_db_get_recent_period($user['recent_period']); } $cache['get_icon'][$date] = $date > $cache['get_icon']['sql_recent_date']; return $cache['get_icon'][$date] ? $icon : array(); } ?>