diff options
Diffstat (limited to 'include/functions.inc.php')
| -rw-r--r-- | include/functions.inc.php | 423 |
1 files changed, 272 insertions, 151 deletions
diff --git a/include/functions.inc.php b/include/functions.inc.php index 8996df05b..18511a6be 100644 --- a/include/functions.inc.php +++ b/include/functions.inc.php @@ -1,4 +1,4 @@ -<?php +<?php // +-----------------------------------------------------------------------+ // | Piwigo - a PHP based photo gallery | // +-----------------------------------------------------------------------+ @@ -21,6 +21,10 @@ // | USA. | // +-----------------------------------------------------------------------+ +/** + * @package functions\___ + */ + include_once( PHPWG_ROOT_PATH .'include/functions_plugins.inc.php' ); include_once( PHPWG_ROOT_PATH .'include/functions_user.inc.php' ); include_once( PHPWG_ROOT_PATH .'include/functions_cookie.inc.php' ); @@ -36,10 +40,11 @@ include_once( PHPWG_ROOT_PATH .'include/derivative.inc.php'); require_once( PHPWG_ROOT_PATH .'include/smarty/libs/SmartyBC.class.php'); include_once( PHPWG_ROOT_PATH .'include/template.class.php'); -//----------------------------------------------------------- generic functions /** - * stupidly returns the current microsecond since Unix epoch + * returns the current microsecond since Unix epoch + * + * @return int */ function micro_seconds() { @@ -49,30 +54,49 @@ function micro_seconds() return $t2; } -// 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 +/** + * 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 + * + * @return float + */ function get_moment() { return microtime(true); } -// 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 ) +/** + * returns the number of seconds (with 3 decimals precision) + * between the start time and the end time given + * + * @param float $start + * @param float $end + * @return string "$TIME s" + */ +function get_elapsed_time($start, $end) { - return number_format( $end - $start, 3, '.', ' ').' s'; + return number_format($end - $start, 3, '.', ' ').' s'; } -// get_extension returns the part of the string after the last "." +/** + * returns the part of the string after the last "." + * + * @param string $filename + * @return string + */ 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' +/** + * returns the part of the string before the last ".". + * get_filename_wo_extension( 'test.tar.gz' ) = 'test.tar' + * + * @param string $filename + * @return string + */ function get_filename_wo_extension( $filename ) { $pos = strrpos( $filename, '.' ); @@ -86,11 +110,11 @@ 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 + * creates directory if not exists and ensures that directory is writable + * + * @param string $dir + * @param int $flags combination of MKGETDIR_xxx + * @return bool */ function mkgetdir($dir, $flags=MKGETDIR_DEFAULT) { @@ -128,11 +152,17 @@ function mkgetdir($dir, $flags=MKGETDIR_DEFAULT) return true; } -/* returns 0 if $str is Ascii, 1 if utf-8, -1 otherwise */ +/** + * finds out if a string is in ASCII, UTF-8 or other encoding + * + * @param string $str + * @return int *0* if _$str_ is ASCII, *1* if UTF-8, *-1* otherwise + */ function qualify_utf8($Str) { $ret = 0; - for ($i=0; $i<strlen($Str); $i++) { + for ($i=0; $i<strlen($Str); $i++) + { if (ord($Str[$i]) < 0x80) continue; # 0bbbbbbb $ret = 1; if ((ord($Str[$i]) & 0xE0) == 0xC0) $n=1; # 110bbbbb @@ -141,7 +171,8 @@ function qualify_utf8($Str) elseif ((ord($Str[$i]) & 0xFC) == 0xF8) $n=4; # 111110bb elseif ((ord($Str[$i]) & 0xFE) == 0xFC) $n=5; # 1111110b else return -1; # Does not match any model - for ($j=0; $j<$n; $j++) { # n bytes matching 10bbbbbb follow ? + for ($j=0; $j<$n; $j++) + { # n bytes matching 10bbbbbb follow ? if ((++$i == strlen($Str)) || ((ord($Str[$i]) & 0xC0) != 0x80)) return -1; } @@ -149,16 +180,22 @@ function qualify_utf8($Str) return $ret; } -/* Remove accents from a UTF-8 or ISO-859-1 string (from wordpress) - * @param string sstring - an UTF-8 or ISO-8859-1 string +/** + * Remove accents from a UTF-8 or ISO-8859-1 string (from wordpress) + * + * @param string $string + * @return string */ function remove_accents($string) { $utf = qualify_utf8($string); if ( $utf == 0 ) + { return $string; // ascii + } - if ( $utf > 0 ) { + if ( $utf > 0 ) + { $chars = array( // Decompositions for Latin-1 Supplement "\xc3\x80"=>'A', "\xc3\x81"=>'A', @@ -262,7 +299,9 @@ function remove_accents($string) "\xc2\xa3"=>''); $string = strtr($string, $chars); - } else { + } + else + { // Assume ISO-8859-1 if not UTF-8 $chars['in'] = chr(128).chr(131).chr(138).chr(142).chr(154).chr(158) .chr(159).chr(162).chr(165).chr(181).chr(192).chr(193).chr(194) @@ -288,6 +327,12 @@ function remove_accents($string) if (function_exists('mb_strtolower') && defined('PWG_CHARSET')) { + /** + * removes accents from a string and converts it to lower case + * + * @param string $term + * @return string + */ function transliterate($term) { return remove_accents( mb_strtolower($term, PWG_CHARSET) ); @@ -295,18 +340,19 @@ if (function_exists('mb_strtolower') && defined('PWG_CHARSET')) } else { + /** + * @ignore + */ function transliterate($term) { return remove_accents( strtolower($term) ); } } - - /** * simplify a string to insert it into an URL * - * @param string + * @param string $str * @return string */ function str2url($str) @@ -324,12 +370,10 @@ function str2url($str) return $res; } -//-------------------------------------------- Piwigo specific functions - /** * returns an array with a list of {language_code => language_name} * - * @returns array + * @return string[] */ function get_languages() { @@ -352,6 +396,13 @@ SELECT id, name return $languages; } +/** + * log the visit into history table + * + * @param int $image_id + * @param string $image_type + * @return bool + */ function pwg_log($image_id = null, $image_type = null) { global $conf, $user, $page; @@ -411,13 +462,13 @@ INSERT INTO '.HISTORY_TABLE.' } /** - * Computes the difference between two dates + * Computes the difference between two dates. * returns a DateInterval object or a stdClass with the same attributes * http://stephenharris.info/date-intervals-in-php-5-2 * * @param DateTime $date1 * @param DateTime $date2 - * @return DateInterval + * @return DateInterval|stdClass */ function dateDiff($date1, $date2) { @@ -481,9 +532,10 @@ function dateDiff($date1, $date2) /** * converts a string into a DateTime object - * @param: mixed, datetime string or timestamp int - * @param: string, input format - * @return: DateTime or false + * + * @param int|string timestamp or datetime string + * @param string $format input format respecting date() syntax + * @return DateTime|false */ function str2DateTime($original, $format=null) { @@ -524,12 +576,13 @@ function str2DateTime($original, $format=null) } /** - * returns a formatted date for display - * @param: mixed, datetime string or timestamp int - * @param: bool, show time - * @param: bool, show day name - * @param: string, input format - * @return: string + * returns a formatted and localized date for display + * + * @param int|string timestamp or datetime string + * @param bool $show_time + * @param bool $show_day_name + * @param string $format input format respecting date() syntax + * @return string */ function format_date($original, $show_time=false, $show_day_name=true, $format=null) { @@ -566,12 +619,13 @@ function format_date($original, $show_time=false, $show_day_name=true, $format=n /** * Works out the time since the given date - * @param: mixed, datetime string or timestamp int - * @param: string, stop (year,month,week,day,hour,minute,second) - * @param: string, input format - * @param: bool, append text ("ago" or "in the future") - * @param: bool, display weeks - * @return: string + * + * @param int|string timestamp or datetime string + * @param string $stop year,month,week,day,hour,minute,second + * @param string $format input format respecting date() syntax + * @param bool $with_text append "ago" or "in the future" + * @param bool $with_weeks + * @return string */ function time_since($original, $stop='minute', $format=null, $with_text=true, $with_week=true) { @@ -637,11 +691,12 @@ function time_since($original, $stop='minute', $format=null, $with_text=true, $w /** * transform a date string from a format to another (MySQL to d/M/Y for instance) - * @param: string, date - * @param: string, input format - * @param: string, output format - * @param: string, default value if inout is empty - * @return: string + * + * @param string $original + * @param string $format_in respecting date() syntax + * @param string $format_out respecting date() syntax + * @param string $default if _$original_ is empty + * @return string */ function transform_date($original, $format_in, $format_out, $default=null) { @@ -650,6 +705,11 @@ function transform_date($original, $format_in, $format_out, $default=null) return $date->format($format_out); } +/** + * append a variable to _$debug_ global + * + * @param string $string + */ function pwg_debug( $string ) { global $debug,$t2,$page; @@ -665,9 +725,8 @@ function pwg_debug( $string ) } /** - * Redirects to the given URL (HTTP method) - * - * Note : once this function called, the execution doesn't go further + * Redirects to the given URL (HTTP method). + * once this function called, the execution doesn't go further * (presence of an exit() instruction. * * @param string $url @@ -688,14 +747,13 @@ function redirect_http( $url ) } /** - * Redirects to the given URL (HTML method) - * - * Note : once this function called, the execution doesn't go further + * Redirects to the given URL (HTML method). + * 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 + * @param string $msg + * @param integer $refresh_time * @return void */ function redirect_html( $url , $msg = '', $refresh_time = 0) @@ -739,14 +797,13 @@ function redirect_html( $url , $msg = '', $refresh_time = 0) } /** - * Redirects to the given URL (Switch to HTTP method or HTML method) - * - * Note : once this function called, the execution doesn't go further + * Redirects to the given URL (automatically choose HTTP or HTML method). + * 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 + * @param string $msg + * @param integer $refresh_time * @return void */ function redirect( $url , $msg = '', $refresh_time = 0) @@ -768,10 +825,10 @@ function redirect( $url , $msg = '', $refresh_time = 0) } /** - * returns $_SERVER['QUERY_STRING'] whitout keys given in parameters + * returns $_SERVER['QUERY_STRING'] whithout keys given in parameters * - * @param array $rejects - * @param boolean $escape - if true escape & to & (for html) + * @param string[] $rejects + * @param boolean $escape escape *&* to *&* * @returns string */ function get_query_string_diff($rejects=array(), $escape=true) @@ -790,6 +847,7 @@ function get_query_string_diff($rejects=array(), $escape=true) /** * returns true if the url is absolute (begins with http) + * * @param string $url * @returns boolean */ @@ -805,6 +863,9 @@ function url_is_remote($url) /** * returns available themes + * + * @param bool $show_mobile + * @return array */ function get_pwg_themes($show_mobile=false) { @@ -842,6 +903,12 @@ SELECT return $themes; } +/** + * check if a theme is installed (directory exsists) + * + * @param string $theme_id + * @return bool + */ function check_theme_installed($theme_id) { global $conf; @@ -849,7 +916,13 @@ function check_theme_installed($theme_id) return file_exists($conf['themes_dir'].'/'.$theme_id.'/'.'themeconf.inc.php'); } -/** Transforms an original path to its pwg representative */ +/** + * Transforms an original path to its pwg representative + * + * @param string $path + * @param string $representative_ext + * @return string + */ function original_to_representative($path, $representative_ext) { $pos = strrpos($path, '/'); @@ -859,8 +932,10 @@ function original_to_representative($path, $representative_ext) } /** - * @param element_info array containing element information from db; - * at least 'id', 'path' should be present + * get the full path of an image + * + * @param array $element_info element information from db (at least 'path') + * @return strinf */ function get_element_path($element_info) { @@ -874,10 +949,9 @@ function get_element_path($element_info) /** - * fill the current user caddie with given elements, if not already in - * caddie + * fill the current user caddie with given elements, if not already in caddie * - * @param array elements_id + * @param int[] $elements_id */ function fill_caddie($elements_id) { @@ -909,9 +983,10 @@ SELECT element_id } /** - * returns the element name from its filename + * returns the element name from its filename. + * removes file extension and replace underscores by spaces * - * @param string filename + * @param string $filename * @return string name */ function get_name_from_file($filename) @@ -920,9 +995,10 @@ function get_name_from_file($filename) } /** - * translation function - * returns the corresponding value from $lang if existing, else the key is returned + * translation function. + * returns the corresponding value from _$lang_ if existing else the key is returned * if more than one parameter is provided sprintf is applied + * * @param string $key * @param mixed $args,... optional arguments * @return string @@ -951,14 +1027,14 @@ function l10n($key) /** * returns the printf value for strings including %d - * return is concorded with decimal value (singular, plural) + * returned value is concorded with decimal value (singular, plural) * - * @param singular string key - * @param plural string key - * @param decimal value + * @param string $singular_key + * @param string $plural_key + * @param int $decimal * @return string */ -function l10n_dec($singular_fmt_key, $plural_fmt_key, $decimal) +function l10n_dec($singular_key, $plural_key, $decimal) { global $lang_info; @@ -966,16 +1042,16 @@ function l10n_dec($singular_fmt_key, $plural_fmt_key, $decimal) sprintf( l10n(( (($decimal > 1) or ($decimal == 0 and $lang_info['zero_plural'])) - ? $plural_fmt_key - : $singular_fmt_key + ? $plural_key + : $singular_key )), $decimal); } -/* +/** * returns a single element to use with l10n_args * - * @param string key: translation key - * @param mixed args: arguments to use on sprintf($key, args) + * @param string $key translation key + * @param mixed $args arguments to use on sprintf($key, args) * if args is a array, each values are used on sprintf * @return string */ @@ -992,11 +1068,13 @@ function get_l10n_args($key, $args='') return array('key_args' => $key_arg); } -/* - * returns a string formated with l10n elements +/** + * returns a string formated with l10n elements. + * it is usefull to "prepare" a text and translate it later + * @see get_l10n_args() * - * @param array $key_args: l10n_args element or array of l10n_args elements - * @param string $sep: used when translated elements are concatened + * @param array $key_args one l10n_args element or array of l10n_args elements + * @param string $sep used when translated elements are concatened * @return string */ function l10n_args($key_args, $sep = "\n") @@ -1034,10 +1112,9 @@ function l10n_args($key_args, $sep = "\n") } /** - * returns the corresponding value from $themeconf if existing. Else, the - * key is returned + * returns the corresponding value from $themeconf if existing or an empty string * - * @param string key + * @param string $key * @return string */ function get_themeconf($key) @@ -1071,6 +1148,7 @@ SELECT '.$conf['user_fields']['email'].' /** * Add configuration parameters from database to global $conf array * + * @param string $condition SQL condition * @return void */ function load_conf_from_db($condition = '') @@ -1109,6 +1187,7 @@ SELECT param, value /** * Add or update a config parameter + * * @param string $param * @param string $value */ @@ -1145,8 +1224,9 @@ UPDATE '.CONFIG_TABLE.' } /** - * Delete on or more config parameters + * Delete one or more config parameters * @since 2.6 + * * @param string|string[] $params */ function conf_delete_param($params) @@ -1175,11 +1255,12 @@ DELETE FROM '.CONFIG_TABLE.' } /** - * Prepends and appends a string at each value of the given array. + * Prepends and appends strings at each value of the given array. * - * @param array - * @param string prefix to each array values - * @param string suffix to each array values + * @param array $array + * @param string $prepend_str + * @param string $append_str + * @return array */ function prepend_append_array_items($array, $prepend_str, $append_str) { @@ -1192,9 +1273,8 @@ function prepend_append_array_items($array, $prepend_str, $append_str) } /** - * 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. + * creates an simple hashmap based on a SQL query. + * choose one to be the key, another one to be the value. * * @param string $query * @param string $keyname @@ -1215,9 +1295,8 @@ function simple_hash_from_query($query, $keyname, $valuename) } /** - * 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. + * creates an associative array based on a SQL query. + * choose one to be the key * * @param string $query * @param string $keyname @@ -1235,13 +1314,10 @@ function hash_from_query($query, $keyname) } /** - * Return basename of the current script - * Lower case convertion is applied on return value - * Return value is without file extention ".php" + * Return the basename of the current script. + * The lowercase case filename of the current script without extension * - * @param void - * - * @return script basename + * @return string */ function script_basename() { @@ -1265,12 +1341,10 @@ function script_basename() } /** - * Return value for the current page define on $conf['filter_pages'] - * Îf value is not defined, default value are returned + * Return $conf['filter_pages'] value for the current page * - * @param value name - * - * @return filter page value + * @param string $value_name + * @return mixed */ function get_filter_page_value($value_name) { @@ -1293,7 +1367,8 @@ function get_filter_page_value($value_name) } /** - * returns the character set of data sent to browsers / received from forms + * return the character set used by Piwigo + * @return string */ function get_pwg_charset() { @@ -1306,10 +1381,12 @@ function get_pwg_charset() } /** - * returns the parent language of the current language or any language + * returns the parent (fallback) language of a language. + * if _$lang_id_ is null it applies to the current language * @since 2.6 + * * @param string $lang_id - * @return string + * @return string|null */ function get_parent_language($lang_id=null) { @@ -1332,24 +1409,20 @@ function get_parent_language($lang_id=null) /** * includes a language file or returns the content of a language file - * availability of the file * - * in descending order of preference: + * tries to load in descending order: * param language, user language, default language - * Piwigo default language. * - * @param string filename - * @param string dirname + * @param string $filename + * @param string $dirname * @param mixed options can contain - * language - language to load (if empty uses user language) - * return - if true the file content is returned otherwise the file is evaluated as php - * target_charset - - * no_fallback - the language must be respected - * local - if true, get local language file - * @return boolean success status or a string if options['return'] is true + * @option string language - language to load + * @option bool return - if true the file content is returned + * @option bool no_fallback - if true do not load default language + * @option bool local - if true load file from local directory + * @return boolean|string */ -function load_language($filename, $dirname = '', - $options = array() ) +function load_language($filename, $dirname = '', $options = array()) { global $user, $language_files; @@ -1483,9 +1556,10 @@ function load_language($filename, $dirname = '', /** * 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 + * + * @param string $str + * @param string $source_charset + * @param string $dest_charset */ function convert_charset($str, $source_charset, $dest_charset) { @@ -1507,13 +1581,13 @@ function convert_charset($str, $source_charset, $dest_charset) { return mb_convert_encoding( $str, $dest_charset, $source_charset ); } - return $str; //??? + return $str; // TODO } /** * makes sure a index.htm protects the directory from browser file listing * - * @param string dir directory + * @param string $dir */ function secure_directory($dir) { @@ -1527,7 +1601,9 @@ function secure_directory($dir) /** * returns a "secret key" that is to be sent back when a user posts a form * - * @param int valid_after_seconds - key validity start time from now + * @param int $valid_after_seconds - key validity start time from now + * @param string $aditionnal_data_to_hash + * @return string */ function get_ephemeral_key($valid_after_seconds, $aditionnal_data_to_hash = '') { @@ -1540,6 +1616,13 @@ function get_ephemeral_key($valid_after_seconds, $aditionnal_data_to_hash = '') $conf['secret_key']); } +/** + * verify a key sent back with a form + * + * @param string $key + * @param string $aditionnal_data_to_hash + * @return bool + */ function verify_ephemeral_key($key, $aditionnal_data_to_hash = '') { global $conf; @@ -1560,6 +1643,14 @@ function verify_ephemeral_key($key, $aditionnal_data_to_hash = '') /** * return an array which will be sent to template to display navigation bar + * + * @param string $url base url of all links + * @param int $nb_elements + * @param int $start + * @param int $nb_element_page + * @param bool $clean_url + * @param string $param_name + * @return array */ function create_navigation_bar($url, $nb_element, $start, $nb_element_page, $clean_url = false, $param_name='start') { @@ -1616,6 +1707,10 @@ function create_navigation_bar($url, $nb_element, $start, $nb_element_page, $cle /** * return an array which will be sent to template to display recent icon + * + * @param string $date + * @param bool $is_child_date + * @return array */ function get_icon($date, $is_child_date = false) { @@ -1656,7 +1751,7 @@ function get_icon($date, $is_child_date = false) } /** - * check token comming from form posted or get params to prevent csrf attacks + * check token comming from form posted or get params to prevent csrf attacks. * if pwg_token is empty action doesn't require token * else pwg_token is compare to server token * @@ -1672,9 +1767,16 @@ function check_pwg_token() } } else + { bad_request('missing token'); + } } +/** + * get pwg_token used to prevent csrf attacks + * + * @return string + */ function get_pwg_token() { global $conf; @@ -1686,13 +1788,11 @@ function get_pwg_token() * breaks the script execution if the given value doesn't match the given * pattern. This should happen only during hacking attempts. * - * @param string param_name - * @param array param_array - * @param boolean is_array - * @param string pattern - * @param boolean mandatory - * - * @return void + * @param string $param_name + * @param array $param_array + * @param boolean $is_array + * @param string $pattern + * @param boolean $mandatory */ function check_input_parameter($param_name, $param_array, $is_array, $pattern, $mandatory=false) { @@ -1736,7 +1836,11 @@ function check_input_parameter($param_name, $param_array, $is_array, $pattern, $ } } - +/** + * get localized privacy level values + * + * @return string[] + */ function get_privacy_level_options() { global $conf; @@ -1765,6 +1869,9 @@ function get_privacy_level_options() /** * return the branch from the version. For example version 2.2.4 is for branch 2.2 + * + * @param string $version + * @return string */ function get_branch_from_version($version) { @@ -1773,6 +1880,8 @@ function get_branch_from_version($version) /** * return the device type: mobile, tablet or desktop + * + * @return string */ function get_device() { @@ -1802,6 +1911,8 @@ function get_device() /** * return true if mobile theme should be loaded + * + * @return bool */ function mobile_theme() { @@ -1833,6 +1944,9 @@ function mobile_theme() /** * check url format + * + * @param string $url + * @return bool */ function url_check_format($url) { @@ -1849,6 +1963,9 @@ function url_check_format($url) /** * check email format + * + * @param string $mail_address + * @return bool */ function email_check_format($mail_address) { @@ -1866,7 +1983,11 @@ function email_check_format($mail_address) } } -/** returns the number of available comments for the connected user */ +/** + * returns the number of available comments for the connected user + * + * @return int + */ function get_nb_available_comments() { global $user; |