| +-----------------------------------------------------------------------+ $Id$ */ // ********* round cube schared classes ********* class rcube_html_page { var $css; var $scripts_path = ''; var $script_files = array(); var $scripts = array(); var $charset = 'ISO-8859-1'; var $script_tag_file = "\n"; var $script_tag = "\n"; var $title = ''; var $header = ''; var $footer = ''; var $body = ''; var $body_attrib = array(); var $meta_tags = array(); // PHP 5 constructor function __construct() { $this->css = new rcube_css(); } // PHP 4 compatibility function rcube_html_page() { $this->__construct(); } function include_script($file, $position='head') { static $sa_files = array(); if (in_array($file, $sa_files)) return; if (!is_array($this->script_files[$position])) $this->script_files[$position] = array(); $this->script_files[$position][] = $file; } function add_script($script, $position='head') { if (!isset($this->scripts[$position])) $this->scripts[$position] = ''; $this->scripts[$position] .= "\n$script"; } function set_title() { } function set_charset($charset) { $this->charset = $charset; } function write($templ='', $base_path='') { $output = trim($templ); // set default page title if (!strlen($this->title)) $this->title = 'RoundCube|Mail'; // replace specialchars in content $__page_title = rep_specialchars_output($this->title, 'html', 'show', FALSE); $__page_header = $__page_body = $__page_footer = ''; // include meta tag with charset if (!empty($this->charset)) $__page_header = ''."\n";; // definition of the code to be placed in the document header and footer if (is_array($this->script_files['head'])) foreach ($this->script_files['head'] as $file) $__page_header .= sprintf($this->script_tag_file, $this->scripts_path, $file); if (strlen($this->scripts['head'])) $__page_header .= sprintf($this->script_tag, $this->scripts['head']); if (is_array($this->script_files['foot'])) foreach ($this->script_files['foot'] as $file) $__page_footer .= sprintf($this->script_tag_file, $this->scripts_path, $file); if (strlen($this->scripts['foot'])) $__page_footer .= sprintf($this->script_tag, $this->scripts['foot']); $__page_header .= $this->css->show(); // find page header if($hpos = strpos(strtolower($output), '')) $__page_header .= "\n"; else { if (!is_numeric($hpos)) $hpos = strpos(strtolower($output), '')+7; // add page body if($bpos && $__page_body) $output = substr($output,0,$bpos) . "\n$__page_body\n" . substr($output,$bpos,strlen($output)); // find and add page footer if(($fpos = strpos(strtolower($output), '')) || ($fpos = strpos(strtolower($output), ''))) $output = substr($output,0,$fpos) . "$__page_footer\n" . substr($output,$fpos,strlen($output)); else $output .= "\n$__page_footer"; // reset those global vars $__page_header = $__page_footer = ''; // correct absolute pathes in images and other tags $output = preg_replace('/(src|href|background)=(["\']?)(\/[a-z0-9_\-]+)/Ui', "\\1=\\2$base_path\\3", $output); print $output; } function _parse($templ) { } } class rcube_css { var $css_data = array(); var $css_groups = array(); var $include_files = array(); var $grouped_output = TRUE; var $content_type = 'text/css'; var $base_path = ''; var $indent_chars = "\t"; // add or overwrite a css definition // either pass porperty and value as separate arguments // or provide an associative array as second argument function set_style($selector, $property, $value='') { $a_elements = $this->_parse_selectors($selector); foreach ($a_elements as $element) { if (!is_array($property)) $property = array($property => $value); foreach ($property as $name => $value) $this->css_data[$element][strtolower($name)] = $value; } // clear goups array $this->css_groups = array(); } // unset a style property function remove_style($selector, $property) { if (!is_array($property)) $property = array($property); foreach ($property as $key) unset($this->css_data[$selector][strtolower($key)]); // clear goups array $this->css_groups = array(); } // define base path for external css files function set_basepath($path) { $this->base_path = preg_replace('/\/$/', '', $path); } // enable/disable grouped output function set_grouped_output($grouped) { $this->grouped_output = $grouped; } // add a css file as external source function include_file($filename, $media='') { // include multiple files if (is_array($filename)) { foreach ($filename as $file) $this->include_file($file, $media); } // add single file else if (!in_array($filename, $this->include_files)) $this->include_files[] = array('file' => $filename, 'media' => $media); } // parse css code function import_string($str) { $ret = FALSE; if (strlen($str)) $ret = $this->_parse($str); return $ret; } // open and parse a css file function import_file($file) { $ret = FALSE; if (!is_file($file)) return $ret; // for php version >= 4.3.0 if (function_exists('file_get_contents')) $ret = $this->_parse(file_get_contents($file)); // for order php versions else if ($fp = fopen($file, 'r')) { $ret = $this->_parse(fread($fp, filesize($file))); fclose($fp); } return $ret; } // copy all properties inherited from superior styles to a specific selector function copy_inherited_styles($selector) { // get inherited props from body and tag/class selectors $css_props = $this->_get_inherited_styles($selector); // write modified props back and clear goups array if (sizeof($css_props)) { $this->css_data[$selector] = $css_props; $this->css_groups = array(); } } // return css definition for embedding in HTML function show() { $out = ''; // include external css files if (sizeof($this->include_files)) foreach ($this->include_files as $file_arr) $out .= sprintf(''."\n", $this->content_type, $this->_get_file_path($file_arr['file']), $file_arr['media'] ? ' media="'.$file_arr['media'].'"' : ''); // compose css string if (sizeof($this->css_data)) $out .= sprintf("", $this->content_type, $this->to_string()); return $out; } // return valid css code of the current styles grid function to_string($selector=NULL) { // return code for a single selector if ($selector) { $indent_str = $this->indent_chars; $this->indent_chars = ''; $prop_arr = $this->to_array($selector); $out = $this->_style2string($prop_arr, TRUE); $this->indent_chars = $indent_str; } // compose css code for complete data grid else { $out = ''; $css_data = $this->to_array(); foreach ($css_data as $key => $prop_arr) $out .= sprintf("%s {\n%s}\n\n", $key, $this->_style2string($prop_arr, TRUE)); } return $out; } // return a single-line string of a css definition function to_inline($selector) { if ($this->css_data[$selector]) return str_replace('"', '\\"', $this->_style2string($this->css_data[$selector], FALSE)); } // return an associative array with selector(s) as key and styles array as value function to_array($selector=NULL) { if (!$selector && $this->grouped_output) { // build groups if desired if (!sizeof($this->css_groups)) $this->_build_groups(); // modify group array to get an array(selector => properties) $out_arr = array(); foreach ($this->css_groups as $group_arr) { $key = join(', ', $group_arr['selectors']); $out_arr[$key] = $group_arr['properties']; } } else $out_arr = $this->css_data; return $selector ? $out_arr[$selector] : $out_arr; } // create a css file function to_file($filepath) { if ($fp = fopen($filepath, 'w')) { fwrite($fp, $this->to_string()); fclose($fp); return TRUE; } return FALSE; } // alias method for import_string() [DEPRECATED] function add($str) { $this->import_string($str); } // alias method for to_string() [DEPRECATED] function get() { return $this->to_string(); } // ******** private methods ******** // parse a string and add styles to internal data grid function _parse($str) { // remove comments $str = preg_replace("/\/\*(.*)?\*\//Usi", '', $str); // parse style definitions if (!preg_match_all ('/([a-z0-9\.#*:_][a-z0-9\.\-_#:*,\[\]\(\)\s\"\'\+\|>~=]+)\s*\{([^\}]*)\}/ims', $str, $matches, PREG_SET_ORDER)) return FALSE; foreach ($matches as $match_arr) { // split selectors into array $a_keys = $this->_parse_selectors(trim($match_arr[1])); // parse each property of an element $codes = explode(";", trim($match_arr[2])); foreach ($codes as $code) { if (strlen(trim($code))>0) { // find the property and the value if (!($sep = strpos($code, ':'))) continue; $property = strtolower(trim(substr($code, 0, $sep))); $value = trim(substr($code, $sep+1)); // add the property to the object array foreach ($a_keys as $key) $this->css_data[$key][$property] = $value; } } } // clear goups array if (sizeof($matches)) { $this->css_groups = array(); return TRUE; } return FALSE; } // split selector group function _parse_selectors($selector) { // trim selector and remove multiple spaces $selector = preg_replace('/\s+/', ' ', trim($selector)); if (strpos($selector, ',')) return preg_split('/[\t\s\n\r]*,[\t\s\n\r]*/mi', $selector); else return array($selector); } // compare identical styles and make groups function _build_groups() { // clear group array $this->css_groups = array(); $string_group_map = array(); // bulild css string for each selector and check if the same is already defines foreach ($this->css_data as $selector => $prop_arr) { // make shure to compare props in the same order ksort($prop_arr); $compare_str = preg_replace('/[\s\t]+/', '', $this->_style2string($prop_arr, FALSE)); // add selector to extisting group if (isset($string_group_map[$compare_str])) { $group_index = $string_group_map[$compare_str]; $this->css_groups[$group_index]['selectors'][] = $selector; } // create new group else { $i = sizeof($this->css_groups); $string_group_map[$compare_str] = $i; $this->css_groups[$i] = array('selectors' => array($selector), 'properties' => $this->css_data[$selector]); } } } // convert the prop array into a valid css definition function _style2string($prop_arr, $multiline=TRUE) { $out = ''; $delm = $multiline ? "\n" : ''; $spacer = $multiline ? ' ' : ''; $indent = $multiline ? $this->indent_chars : ''; if (is_array($prop_arr)) foreach ($prop_arr as $prop => $value) if (strlen($value)) $out .= sprintf('%s%s:%s%s;%s', $indent, $prop, $spacer, $value, $delm); return $out; } // copy all properties inherited from superior styles to a specific selector function _get_inherited_styles($selector, $loop=FALSE) { $css_props = $this->css_data[$selector] ? $this->css_data[$selector] : array(); // get styles from tag selector if (preg_match('/(([a-z0-9]*)(\.[^\s]+)?)$/i', $selector, $regs)) { $sel = $regs[1]; $tagname = $regs[2]; $class = $regs[3]; if ($sel && is_array($this->css_data[$sel])) $css_props = $this->_merge_styles($this->css_data[$sel], $css_props); if ($class && is_array($this->css_data[$class])) $css_props = $this->_merge_styles($this->css_data[$class], $css_props); if ($tagname && is_array($this->css_data[$tagname])) $css_props = $this->_merge_styles($this->css_data[$tagname], $css_props); } // analyse inheritance if (strpos($selector, ' ')) { $a_hier = split(' ', $selector); if (sizeof($a_hier)>1) { array_pop($a_hier); $base_selector = join(' ', $a_hier); // call this method recursively $new_props = $this->_get_inherited_styles($base_selector, TRUE); $css_props = $this->_merge_styles($new_props, $css_props); } } // get body style if (!$loop && is_array($this->css_data['body'])) $css_props = $this->_merge_styles($this->css_data['body'], $css_props); return $css_props; } // merge two arrays with style properties together like a browser would do function _merge_styles($one, $two) { // these properties are additive foreach (array('text-decoration') as $prop) if ($one[$prop] && $two[$prop]) { // if value contains 'none' it's ignored if (strstr($one[$prop], 'none')) continue; else if (strstr($two[$prop], 'none')) unset($two[$prop]); $a_values_one = split(' ', $one[$prop]); $a_values_two = split(' ', $two[$prop]); $two[$prop] = join(' ', array_unique(array_merge($a_values_one, $a_values_two))); } return array_merge($one, $two); } // resolve file path function _get_file_path($file) { if (!$this->base_path && $GLOBALS['CSS_PATH']) $this->set_basepath($GLOBALS['CSS_PATH']); $base = ($file{0}=='/' || $file{0}=='.' || substr($file, 0, 7)=='http://') ? '' : ($this->base_path ? $this->base_path.'/' : ''); return $base.$file; } } class base_form_element { var $uppertags = FALSE; var $upperattribs = FALSE; var $upperprops = FALSE; var $newline = FALSE; var $attrib = array(); // create string with attributes function create_attrib_string($tagname='') { if (!sizeof($this->attrib)) return ''; if ($this->name!='') $this->attrib['name'] = $this->name; $attrib_arr = array(); foreach ($this->attrib as $key => $value) { // don't output some internally used attributes if (in_array($key, array('form', 'quicksearch'))) continue; // skip if size if not numeric if (($key=='size' && !is_numeric($value))) continue; // skip empty eventhandlers if ((strpos($key,'on')===0 && $value=='')) continue; // encode textarea content if ($key=='value') $value = rep_specialchars_output($value, 'html', 'replace', FALSE); // attributes with no value if (in_array($key, array('checked', 'multiple', 'disabled', 'selected'))) { if ($value) $attrib_arr[] = $key; } // don't convert size of value attribute else if ($key=='value') $attrib_arr[] = sprintf('%s="%s"', $this->_conv_case($key, 'attrib'), $value, 'value'); // regular tag attributes else $attrib_arr[] = sprintf('%s="%s"', $this->_conv_case($key, 'attrib'), $this->_conv_case($value, 'value')); } return sizeof($attrib_arr) ? ' '.implode(' ', $attrib_arr) : ''; } // convert tags and attributes to upper-/lowercase // $type can either be "tag" or "attrib" function _conv_case($str, $type='attrib') { if ($type == 'tag') return $this->uppertags ? strtoupper($str) : strtolower($str); else if ($type == 'attrib') return $this->upperattribs ? strtoupper($str) : strtolower($str); else if ($type == 'value') return $this->upperprops ? strtoupper($str) : strtolower($str); } } class input_field extends base_form_element { var $type = 'text'; // PHP 5 constructor function __construct($attrib=NULL) { if (is_array($attrib)) $this->attrib = $attrib; if ($attrib['type']) $this->type = $attrib['type']; if ($attrib['newline']) $this->newline = TRUE; } // PHP 4 compatibility function input_field($attrib=array()) { $this->__construct($attrib); } // compose input tag function show($value=NULL, $attrib=NULL) { // overwrite object attributes if (is_array($attrib)) $this->attrib = array_merge($this->attrib, $attrib); // set value attribute if ($value!==NULL) $this->attrib['value'] = $value; $this->attrib['type'] = $this->type; // return final tag return sprintf('<%s%s />%s', $this->_conv_case('input', 'tag'), $this->create_attrib_string(), ($this->newline ? "\n" : "")); } } class textfield extends input_field { var $type = 'text'; } class passwordfield extends input_field { var $type = 'password'; } class radiobutton extends input_field { var $type = 'radio'; } class checkbox extends input_field { var $type = 'checkbox'; function show($value='', $attrib=NULL) { // overwrite object attributes if (is_array($attrib)) $this->attrib = array_merge($this->attrib, $attrib); $this->attrib['type'] = $this->type; if ($value && (string)$value==(string)$this->attrib['value']) $this->attrib['checked'] = TRUE; else $this->attrib['checked'] = FALSE; // return final tag return sprintf('<%s%s />%s', $this->_conv_case('input', 'tag'), $this->create_attrib_string(), ($this->newline ? "\n" : "")); } } class textarea extends base_form_element { // PHP 5 constructor function __construct($attrib=array()) { $this->attrib = $attrib; if ($attrib['newline']) $this->newline = TRUE; } // PHP 4 compatibility function textarea($attrib=array()) { $this->__construct($attrib); } function show($value='', $attrib=NULL) { // overwrite object attributes if (is_array($attrib)) $this->attrib = array_merge($this->attrib, $attrib); // take value attribute as content if ($value=='') $value = $this->attrib['value']; // make shure we don't print the value attribute if (isset($this->attrib['value'])) unset($this->attrib['value']); if (strlen($value)) $value = rep_specialchars_output($value, 'html', 'replace', FALSE); // return final tag return sprintf('<%s%s>%s%s', $this->_conv_case('textarea', 'tag'), $this->create_attrib_string(), $value, $this->_conv_case('textarea', 'tag'), ($this->newline ? "\n" : "")); } } class hiddenfield extends base_form_element { var $fields_arr = array(); var $newline = TRUE; // PHP 5 constructor function __construct($attrib=NULL) { if (is_array($attrib)) $this->add($attrib); } // PHP 4 compatibility function hiddenfield($attrib=NULL) { $this->__construct($attrib); } // add a hidden field to this instance function add($attrib) { $this->fields_arr[] = $attrib; } function show() { $out = ''; foreach ($this->fields_arr as $attrib) { $this->attrib = $attrib; $this->attrib['type'] = 'hidden'; $out .= sprintf('<%s%s />%s', $this->_conv_case('input', 'tag'), $this->create_attrib_string(), ($this->newline ? "\n" : "")); } return $out; } } class select extends base_form_element { var $options = array(); /* syntax: ------- // create instance. arguments are used to set attributes of select-tag $select = new select(array('name' => 'fieldname')); // add one option $select->add('Switzerland', 'CH'); // add multiple options $select->add(array('Switzerland', 'Germany'), array('CH', 'DE')); // add 10 blank options with 50 chars // used to fill with javascript (necessary for 4.x browsers) $select->add_blank(10, 50); // generate pulldown with selection 'Switzerland' and return html-code // as second argument the same attributes available to instanciate can be used print $select->show('CH'); */ // PHP 5 constructor function __construct($attrib=NULL) { if (is_array($attrib)) $this->attrib = $attrib; if ($attrib['newline']) $this->newline = TRUE; } // PHP 4 compatibility function select($attrib=NULL) { $this->__construct($attrib); } function add($names, $values=NULL) { if (is_array($names)) { foreach ($names as $i => $text) $this->options[] = array('text' => $text, 'value' => (string)$values[$i]); } else { $this->options[] = array('text' => $names, 'value' => (string)$values); } } function add_blank($nr, $width=0) { $text = $width ? str_repeat(' ', $width) : ''; for ($i=0; $i < $nr; $i++) $this->options[] = array('text' => $text); } function show($select=array(), $attrib=NULL) { $options_str = "\n"; $value_str = $this->_conv_case(' value="%s"', 'attrib'); if (!is_array($select)) $select = array((string)$select); foreach ($this->options as $option) { $selected = ((strlen($option['value']) && in_array($option['value'], $select, TRUE)) || (in_array($option['text'], $select, TRUE))) ? $this->_conv_case(' selected', 'attrib') : ''; $options_str .= sprintf("<%s%s%s>%s\n", $this->_conv_case('option', 'tag'), strlen($option['value']) ? sprintf($value_str, $option['value']) : '', $selected, rep_specialchars_output($option['text'], 'html', 'replace', FALSE), $this->_conv_case('option', 'tag')); } // return final tag return sprintf('<%s%s>%s%s', $this->_conv_case('select', 'tag'), $this->create_attrib_string(), $options_str, $this->_conv_case('select', 'tag'), ($this->newline ? "\n" : "")); } } // ********* rcube schared functions ********* // provide details about the client's browser function rcube_browser() { $HTTP_USER_AGENT = $_SERVER['HTTP_USER_AGENT']; $bw['ver'] = 0; $bw['win'] = stristr($HTTP_USER_AGENT, 'win'); $bw['mac'] = stristr($HTTP_USER_AGENT, 'mac'); $bw['linux'] = stristr($HTTP_USER_AGENT, 'linux'); $bw['unix'] = stristr($HTTP_USER_AGENT, 'unix'); $bw['ns4'] = stristr($HTTP_USER_AGENT, 'mozilla/4') && !stristr($HTTP_USER_AGENT, 'msie'); $bw['ns'] = ($bw['ns4'] || stristr($HTTP_USER_AGENT, 'netscape')); $bw['ie'] = stristr($HTTP_USER_AGENT, 'msie'); $bw['mz'] = stristr($HTTP_USER_AGENT, 'mozilla/5'); $bw['opera'] = stristr($HTTP_USER_AGENT, 'opera'); $bw['safari'] = stristr($HTTP_USER_AGENT, 'safari'); if($bw['ns']) { $test = eregi("mozilla\/([0-9\.]+)", $HTTP_USER_AGENT, $regs); $bw['ver'] = $test ? (float)$regs[1] : 0; } if($bw['mz']) { $test = ereg("rv:([0-9\.]+)", $HTTP_USER_AGENT, $regs); $bw['ver'] = $test ? (float)$regs[1] : 0; } if($bw['ie']) { $test = eregi("msie ([0-9\.]+)", $HTTP_USER_AGENT, $regs); $bw['ver'] = $test ? (float)$regs[1] : 0; } if($bw['opera']) { $test = eregi("opera ([0-9\.]+)", $HTTP_USER_AGENT, $regs); $bw['ver'] = $test ? (float)$regs[1] : 0; } if(eregi(" ([a-z]{2})-([a-z]{2})", $HTTP_USER_AGENT, $regs)) $bw['lang'] = $regs[1]; else $bw['lang'] = 'en'; $bw['dom'] = ($bw['mz'] || $bw['safari'] || ($bw['ie'] && $bw['ver']>=5) || ($bw['opera'] && $bw['ver']>=7)); $bw['pngalpha'] = $bw['mz'] || $bw['safari'] || ($bw['ie'] && $bw['ver']>=5.5) || ($bw['ie'] && $bw['ver']>=5 && $bw['mac']) || ($bw['opera'] && $bw['ver']>=7) ? TRUE : FALSE; return $bw; } // get text in the desired language from the language file function rcube_label($attrib) { global $sess_user_lang, $INSTALL_PATH, $OUTPUT; static $sa_text_data, $s_language, $utf8_decode; // extract attributes if (is_string($attrib)) $attrib = array('name' => $attrib); $nr = is_numeric($attrib['nr']) ? $attrib['nr'] : 1; $vars = isset($attrib['vars']) ? $attrib['vars'] : ''; $command_name = strlen($attrib['command']) ? $attrib['command'] : NULL; $alias = $attrib['name'] ? $attrib['name'] : ($command_name && $command_label_map[$command_name] ? $command_label_map[$command_name] : ''); // load localized texts if (!$sa_text_data || $s_language != $sess_user_lang) { $sa_text_data = array(); // get english labels (these should be complete) @include($INSTALL_PATH.'program/localization/en/labels.inc'); @include($INSTALL_PATH.'program/localization/en/messages.inc'); if (is_array($labels)) $sa_text_data = $labels; if (is_array($messages)) $sa_text_data = array_merge($sa_text_data, $messages); // include user language files if ($sess_user_lang!='en' && is_dir($INSTALL_PATH.'program/localization/'.$sess_user_lang)) { include_once($INSTALL_PATH.'program/localization/'.$sess_user_lang.'/labels.inc'); include_once($INSTALL_PATH.'program/localization/'.$sess_user_lang.'/messages.inc'); if (is_array($labels)) $sa_text_data = array_merge($sa_text_data, $labels); if (is_array($messages)) $sa_text_data = array_merge($sa_text_data, $messages); } if (isset($utf8_decoding) && $utf8_decoding==TRUE) { @include_once('lib/utf8.inc'); $utf8_decode = TRUE; } $s_language = $sess_user_lang; } // text does not exist if (!($text_item = $sa_text_data[$alias])) { /* raise_error(array('code' => 500, 'type' => 'php', 'line' => __LINE__, 'file' => __FILE__, 'message' => "Missing localized text for '$alias' in '$sess_user_lang'"), TRUE, FALSE); */ return "[$alias]"; } // make text item array $a_text_item = is_array($text_item) ? $text_item : array('single' => $text_item); // decide which text to use if ($nr==1) $text = $a_text_item['single']; else if ($nr>0) $text = $a_text_item['multiple']; else if ($nr==0) { if ($a_text_item['none']) $text = $a_text_item['none']; else if ($a_text_item['single']) $text = $a_text_item['single']; else if ($a_text_item['multiple']) $text = $a_text_item['multiple']; } // default text is single if ($text=='') $text = $a_text_item['single']; // replace vars in text if (is_array($attrib['vars'])) { foreach ($attrib['vars'] as $var_key=>$var_value) $a_replace_vars[substr($var_key, 0, 1)=='$' ? substr($var_key, 1) : $var_key] = $var_value; } if ($a_replace_vars) $text = preg_replace('/\${?([_a-z]{1}[_a-z0-9]*)}?/ei', '$a_replace_vars["\1"]', $text); // remove variables in text which were not available in arg $vars and $nr eval("\$text = <<set_charset('UTF-8'); // format output if (($attrib['uppercase'] && strtolower($attrib['uppercase']=='first')) || $attrib['ucfirst']) return ucfirst($text); else if ($attrib['uppercase']) return strtoupper($text); else if ($attrib['lowercase']) return strtolower($text); else return $text; return $text; } // send HTTP header for no-cacheing steps function send_nocacheing_headers() { if (headers_sent()) return; header("Expires: ".gmdate("D, d M Y H:i:s")." GMT"); header("Last-Modified: ".gmdate("D, d M Y H:i:s")." GMT"); header("Cache-Control: no-store, no-cache, must-revalidate, post-check=0, pre-check=0"); header("Pragma: no-cache"); } // send header with expire date 30 days in future function send_future_expire_header() { if (!headers_sent()) header("Expires: ".gmdate("D, d M Y H:i:s", mktime()+2600000)." GMT"); } function decode_specialchars($input, $charset='') { $charset = strtolower($charset); if ($charset=='utf-8') { require_once('lib/utf8.inc'); return utf8ToUnicodeEntities($input); } else if ($charset=="koi8-r") return convert_cyr_string($input, 'k', 'w'); else if ($charset=="iso8859-5") return convert_cyr_string($input, 'i', 'w'); else if ($charset=="x-cp866") return convert_cyr_string($input, 'a', 'w'); else if ($charset=="x-mac-cyrillic") return convert_cyr_string($input, 'm', 'w'); return $input; } // function to convert an array to a javascript array function array2js($arr, $type='') { if (!$type) $type = 'mixed'; if (is_array($arr)) { // no items in array if (!sizeof($arr)) return 'new Array()'; else { $a_pairs = array(); $keys_arr = array_keys($arr); $is_assoc = $have_numeric = 0; for ($i=0; $i15 as ...e+... $is_string = FALSE; else $is_string = TRUE; } if ($is_string) $value = "'".preg_replace("/(? 1024) return sprintf('%d KB', round($numbytes/1024)); else return sprintf('%d B', $numbytes); } // convert paths like ../xxx to an absolute path using a base url function make_absolute_url($path, $base_url) { $host_url = $base_url; $abs_path = $path; // cut base_url to the last directory if (strpos($base_url, '/')>7) { $host_url = substr($base_url, 0, strpos($base_url, '/')); $base_url = substr($base_url, 0, strrpos($base_url, '/')); } // $path is absolute if ($path{0}=='/') $abs_path = $host_url.$path; else { // strip './' because its the same as '' $path = preg_replace('/^\.\//', '', $path); if(preg_match_all('/\.\.\//', $path, $matches, PREG_SET_ORDER)) foreach($matches as $a_match) { if (strrpos($base_url, '/')) $base_url = substr($base_url, 0, strrpos($base_url, '/')); $path = substr($path, 3); } $abs_path = $base_url.'/'.$path; } return $abs_path; } function abbrevate_string($str, $maxlength, $place_holder='...') { $length = strlen($str); $first_part_length = floor($maxlength/2) - strlen($place_holder); if ($length > $maxlength) { $second_starting_location = $length - $maxlength + $first_part_length + 1; $str = substr($str, 0, $first_part_length) . $place_holder . substr($str, $second_starting_location, $length); } return $str; } // delete all files within a folder function clear_directory($dir_path) { $dir = @opendir($dir_path); if(!$dir) return FALSE; while ($file = readdir($dir)) if (strlen($file)>2) unlink("$dir_path/$file"); closedir($dir); return TRUE; } ?>