. ** ** it.class - static functions */ class it { /** * Create config class with static members initialized (e.g. $home). * NOTE: PHP5 ONLY * @param $p Static members to be generated in newly created class * service: Class name of created class (default: from caller path) * home: Home directory of application (default: from caller path) * site: Domain name of application (default: from caller path) * db: Database of application (default: from caller path) */ static function createconfig($p = array()) { $stack = debug_backtrace(); $filename = $stack[0]['file']; preg_match('!/www/((\w+)[^/]+)!', $filename, $parts); $p += array( 'home' => $parts[0], 'site' => $parts[1], 'db' => strtr($parts[1], ".-", "__"), 'service' => $parts[2], ); if (class_exists($p['service'] . "_tools")) $extends = "extends {$p['service']}_tools "; $code = array("class {$p['service']} $extends{"); foreach ($p as $name => $value) $code[] = "static \$$name = " . var_export($value, true) . ";"; $code[] = "}"; eval(join("\n", $code)); } /** * Clone an object and return copy, works for all PHP versions */ static function &cloneobj(&$object) { $result = (is_object($object) && version_compare(zend_version(), 2, '>=')) ? clone($object) : $object; return $result; # PHP internals need a tmp var to return by ref } /** * Append all arguments to a logfile (tab separated). Date will be added to filename and line * @param $name Name of logfile. Will be in log/ of service unless it starts with / * @param $line1 Line to append (varargs) */ static function log($name /* ... */) { $args = func_get_args(); $line = date("Y-m-d H:i:s") . "\t" . implode("\t", array_slice($args, 1)) . "\n"; $basefn = substr($name, 0, 1) == "/" ? $name : $GLOBALS['ULTRAHOME'] . "/log/$name"; $fullfn = $basefn . "-" . date('Ymd'); if (substr($fullfn, 0, 1) == "/") { if (!file_exists($fullfn)) { $tmp = getmypid(); @touch("$fullfn.$tmp"); @chgrp("$fullfn.$tmp", "www"); @rename("$fullfn.$tmp", $fullfn); @unlink($basefn); @symlink($fullfn, $basefn); } file_put_contents($fullfn, $line, FILE_APPEND); } } /** * Store timings for appending to log/timer_log-* in auto_append.php */ static function timerlog($label = '') { if ($GLOBALS['debug_timerlog']) { $s = $GLOBALS['ULTRATIME']; $e = gettimeofday(); $msec= ($e['sec'] - $s['sec']) * 1000 + ($e['usec'] - $s['usec']) / 1000; $GLOBALS['ULTRATIMERLOG'] .= sprintf(" %s:%d", $label, $msec); } } /** * Send verbose error report to browser or (if display_errors is off) by email to .diffnotice gods, file owner or SERVER_ADMIN * All params optional. Single string parameter means 'title'. * @param $p['title'] error title, one line * @param $p['body'] error body, multiline * @param $p['to'] comma separated recipient list * @param $p['id'] identifier of error. if given, only subsequent errors of same id will trigger message * @param $p['graceperiod'] number of seconds within which additional errors are ignored if id is set * @param $p['timewindow'] number of seconds after graceperiod within which the second error must occur if id is set * @param $p['backtraceskip'] number of stack levels to drop * @param $p['blockmail'] number of seconds to block mails after having sent a mail [3600] * @param $p['blockmailid'] block mail for $p['blockmail'] seconds with same id. Default: $p['to'] * @param $p['omitdebuginfo'] Do not add stack dump, locals and environment to output [false] */ static function error($p = array(), $body = null, $to = null) # $body and $to deprecated { if (!is_array($p)) $p = array('title' => $p, 'body' => $body, 'to' => $to); if ($_SERVER['REMOTE_ADDR']) $url = ($_SERVER['HTTPS'] ? "https://" : "http://") . $_SERVER['HTTP_HOST'] . $_SERVER['REQUEST_URI']; else $url = $_SERVER['SCRIPT_NAME']; $gods = strtr(trim(@file_get_contents($GLOBALS['ULTRAHOME'] . "/.diffnotice")), array("\n"=>', ')); if (!$p['to']) unset($p['to']); # allow defaults to kick in $p += array( 'title' => "it::error", 'to' => $gods ? $gods : (get_current_user() ? get_current_user() : $_SERVER['SERVER_ADMIN']), 'graceperiod' => 60, 'timewindow' => 25*3600, 'backtraceskip' => 0, 'blockmail' => 3600, 'omitdebuginfo' => false, ); $p += array('blockmailid' => md5($p['to'])); @mkdir("/tmp/alertdata"); @chmod("/tmp/alertdata", 0777); $toscreen = ini_get('display_errors') || (defined("STDOUT") && posix_isatty(STDOUT)) || EDC('astwin') || EDC('asdevel'); @fseek(STDOUT, 0, SEEK_END); # Work around PHP bug 49819: posix_isatty seeks to start if ($toscreen && !it::is_live()) $GLOBALS['debug_noredir'] = 1; if (!$toscreen) # this error can only be sent by mail: find out if we want to suppress it { if (!$p['id']) $sendmail = true; else { $errstampfn = "/tmp/alertdata/errstamp_" . urlencode($p['id']); $errstampage = time() - @filemtime($errstampfn); $sendmail = $errstampage >= $p['graceperiod'] && $errstampage <= $p['graceperiod'] + $p['timewindow']; if ($errstampage > $p['graceperiod']) { @unlink($errstampfn); @touch($errstampfn); } } if ($sendmail) { $lastsentfn = "/tmp/alertdata/lastsent_" . getmyuid() . "." . $p['blockmailid']; $now = time(); clearstatcache(); $lastsenttime = @filemtime($lastsentfn); $sendmail = $now - $lastsenttime > $p['blockmail']; if ($sendmail) { @unlink($lastsentfn); @touch($lastsentfn); } } } if ($toscreen || $sendmail) { $trace = it_debug::backtrace($p['backtraceskip']); # moved in here for performance in mass error case if (strlen($p['body']) > 500000) { file_put_contents($datafn = "/tmp/alertdata/error-" . substr(md5($p['body']), 0, 2), $p['body']); $p['body'] = "Body: " . getenv('HOSTNAME') . ":$datafn"; } $body = ($p['body'] ? trim($p['body'])."\n\n" : "") . ($url && !$toscreen? "{$p['title']}\n\nUrl: $url\n\n" : "") . ($trace ? ($sendmail?"" :" ")."Trace: $trace\n\n" : ""); if ($sendmail) # we're mailing: send maximum info { $p['title'] = "Alert: " . $p['title'] . " (on " . getenv('HOSTNAME') . ")"; if (!$p['omitdebuginfo']) { $locals = print_r(array_diff_key((array)$p['locals'], array("GLOBALS", "_GET", "_POST", "_COOKIE")), true); if ($trace && ($fulltrace = array_slice(debug_backtrace(), $p['backtraceskip']))) while (strlen(print_r($fulltrace, true)) > 100000) array_pop($fulltrace); $body .= "Host: " . getenv('HOSTNAME') . "\n\n"; $body .= $locals && strlen($locals) < 100000 ? "Locals: $locals\n\n" : ""; $body .= $p['id'] ? "Filter: graceperiod={$p['graceperiod']} timewindow={$p['timewindow']}\n\n" : ""; $body .= "Time: " . it::date() . "\n\n"; $body .= $_GET ? "\$_GET: " . var_export($_GET, true) . "\n\n" : ""; $body .= $_POST ? "\$_POST: " . var_export($_POST, true) . "\n\n" : ""; $body .= $_COOKIE ? "\$_COOKIE: " . var_export($_COOKIE, true) . "\n\n" : ""; $body .= $_SERVER ? "\$_SERVER: " . var_export($_SERVER, true) . "\n\n" : ""; $body .= $fulltrace ? "Stack: " . print_r($fulltrace, true) . "\n\n" : ""; $body = it::replace(array('(pw|passw|password|secret)\] => .*' => '$1] => ********'), $body); } it::mail(array('To' => $p['to'], 'Subject' => substr($p['title'], 0, 80), 'Body' => $body) + (($cc = $GLOBALS['it_defaultconfig']['error_cc']) ? array('Cc' => $cc) : array())); } else if ($_SERVER['REMOTE_ADDR']) # toscreen mode: web echo "
{$p['title']}\n".rtrim($body).""; else # toscreen mode: shell (outputs to stderr) error_log($p['title'] . " in " . ($trace ? $trace : "{$p['file']}:{$p['line']} Url: $url") . " " . (EDC('verbose') ? D($p['locals']) : "")); } if ($_SERVER['REMOTE_ADDR']) error_log("it::error: " . $p['title'] . " Url: $url"); if (($fh = fopen("/tmp/alertdata/alert.log", "a"))) { fputs($fh, it::date() . " " . $p['title'] . " in " . ($trace ? $trace : "{$p['file']}:{$p['line']} Url: $url") . "\n"); fclose($fh); @chmod("/tmp/alertdata/alert.log", 0777); } } /** * Same as it::error(), plus exit * @see error() */ static function fatal($title='', $body='', $to='') { $p = is_array($title) ? $title : array('title' => $title, 'body' => $body, 'to' => $to); $p['backtraceskip']++; it::error($p); exit(1); } /** * Print message to stderr and exit with error code */ static function bail($message = "Bailed.\n") { fputs(STDERR, $message); exit(1); } /** * Check wether I am on a live server for this service. Honors 'aslive' and 'asdevel' debug vars * @return true if servertype is 'live' */ static function is_live() { return (preg_match("/^live/", $GLOBALS['ULTRASERVERTYPE']) || !$GLOBALS['ULTRASERVERTYPE'] || EDC('aslive')) && !EDC('asdevel'); } /** * Check wether I am on a development server for this service. Honors 'aslive' and 'asdevel' debug vars * @return true if servertype is 'devel' */ static function is_devel() { return (preg_match("/^devel/", $GLOBALS['ULTRASERVERTYPE']) || EDC('asdevel')) && !EDC('aslive'); } /** * Convert a string to ASCII-only chars, map/strip ISO-8859-1 accents * @param $text Text to convert * @return mapped/stripped version of $text contains only chars [0..127] */ static function toascii($text) { return strtr(strtr($text, 'ÇéâàåçêëèïîìÅÉôòûùÿøØáíóúñÑÁÂÀãÃÊËÈÍÎÏÓÔõÕÚÛÙýÝ', 'CeaaaceeeiiiAEoouuyooaiounNAAAaAEEEIIIOOoOUUUyY'), array('ä' => 'ae', 'ö' => 'oe', 'ü' => 'ue', 'Ä' => 'Ae', 'Ö' => 'Oe', 'Ü' => 'Ue', 'æ' => 'ae', 'Æ' => 'Ae', 'ß' => 'ss')); } /** * Convert regex for preg (adds and escapes delimiter, adds modifiers) * @param $pattern Regex to convert * @param $p['casesensitive'] Regex is case sensitive (omit modifier i) * @param $p['multiline'] add modifier m: ^ and $ match \n * @param $p['singleline'] add modifier s: . matches \n * @param $p['utf8'] add modifier u. This is the default if default_charset is utf-8, override with $p['utf8'] = false * @param $p['extended'] add modifier x (non signifcant whitespace) * @return converted regex to use with preg */ static function convertregex($pattern, $p = array()) { if ($p['exec']) it::fatal("Option exec to it::replace has been removed for security reasons"); return '/' . strtr($pattern, array('/' => '\/')) . '/' . (!$p['casesensitive'] ? 'i' : '') . ($p['multiline'] ? 'm' : '') . ($p['singleline'] ? 's' : '') . ($p['extended'] ? 'x' : '') . ((!isset($p['utf8']) && ini_get('default_charset') == 'utf-8' || $p['utf8']) ? 'u' : ''); } /** * Try to match string against regex. Case insensitive by default. * @param $pattern Regex to match against * @param $string String to match * @param $p['offset_capture'] Set flag preg_offset_capture (returns offsets with the matches). * @param $p['all'] Return every match as array instead of first match. * @param $p['locale'] Use given locale (default: de_CH), mainly affects handling of iso-latin chars * @param $p contains pattern modifiers, @see convertregex() * @return Matched string or false */ static function match($pattern, $string, $p = null) { if (!preg_match('/\\\\[wb]|[!\x80-\xff]|\[\[:/i', $pattern) && !$p) $r = preg_match('!' . $pattern . '!i', $string, $m); # fast path for simple patterns else { $flags = $p['offset_capture'] ? PREG_OFFSET_CAPTURE : 0; $oldlocale = setlocale(LC_CTYPE, 0); setlocale(LC_CTYPE, $p['locale'] ? $p['locale'] : "de_CH"); if ($p['all']) $r = preg_match_all(it::convertregex($pattern, $p), $string, $m, $flags | PREG_PATTERN_ORDER, $p['offset']); else $r = preg_match(it::convertregex($pattern, $p), $string, $m, $flags, $p['offset']); setlocale(LC_CTYPE, $oldlocale); } if (!$r) # no match { if (preg_last_error() == PREG_BACKTRACK_LIMIT_ERROR) it::error("Exceeded pcre.backtrack_limit of " . ini_get('pcre.backtrack_limit') . " bytes"); $result = $p['all'] ? array() : null; } else if (count($m) == 1) # no capture $result = $m[0]; else if (count($m) == 2) # one capture $result = $m[1]; else if ($p['all'] && !$p['pattern_order']) # captures, reorder pattern_order to set_order but without first element $result = call_user_func_array('array_map', array_merge(array(null), array_slice($m, 1))); else # captures, don't return first element (matched string) $result = array_slice($m, 1); return $result; } /** * Replace parts of a string matched by a pattern with according replacement string. See convertregex for named parameters. * @param $replacementes Array with patterns as keys and replacement strings as values. * @param $string String to change. * @return New string. */ static function replace($replacements, $string, $p = array()) { foreach ($replacements as $pattern => $dummy) $patterns[] = !preg_match('/\\\\[wb]|[!\x80-\xff]|\[\[:/i', $pattern) && !$p ? "!$pattern!i" : it::convertregex($complex = $pattern, $p); if (!$complex && !$p) $result = preg_replace($patterns, $replacements, $string); else { $oldlocale = setlocale(LC_CTYPE, 0); setlocale(LC_CTYPE, 'de_CH'); $result = preg_replace($patterns, $replacements, $string, isset($p['limit']) ? $p['limit'] : -1); setlocale(LC_CTYPE, $oldlocale); } return $result; } /** * Extract key => value pairs from assoc array by key * @param $array array to filter * @param $keys array or comma separated list of keys to keep * @param $p['reorder'] reorder pairs to the order of the $keys array */ static function filter_keys($array, $keys, $p = array()) { $result = array(); if (is_string($keys)) $keys = explode(",", $keys); if ($p['reorder']) { foreach ((array)$keys as $key) $result[$key] = $array[$key]; } else { $keep = array_flip((array)$keys); foreach ($array as $key => $val) if (isset($keep[$key])) $result[$key] = $val; } return $result; } /** * Construct shell command using it::shell_command, log it, execute it and return output as string. * Keywords {keyword} are replace a la ET(), {-opts} takes an array and * inserts options a la it_html attributes (value, true, false or null) * @param $cmd Format string with {keywords} replace a la ET() * @param $values (zero, one or more arrays can be passed) * @return output of command. shell errors not detectable, see error_log in /www/server/logs */ static function exec(/* $cmd, $values1 = array(), ... */) { $args = func_get_args(); $cmd = call_user_func_array('it::shell_command', $args); $s = gettimeofday(); $result = EDC('noexec') ? "" : (string)shell_exec($cmd); $e = gettimeofday(); $msec= intval(($e['sec'] - $s['sec']) * 1000 + ($e['usec'] - $s['usec']) / 1000); @it::log('exec', "$msec\t$cmd"); return $result; } /** * Construct shell command * Keywords {keyword} are replace a la ET(), {-opts} takes an array and * inserts options a la it_html attributes (value, true, false or null) * @param $cmd Format string with {keywords} replace a la ET() * @param $values (zero, one or more arrays can be passed) * @return output of command. shell errors not detectable, see error_log in /www/server/logs */ static function shell_command(/* $cmd, $values1 = array(), ... */) { $args = func_get_args(); $cmd = array_shift($args); $values = array(); # Merge values into one array foreach ($args as $arg) $values += (array)$arg; #for escapeshellarg in it::_exec_quotevalue $oldlocale = setlocale(LC_CTYPE, 0); setlocale(LC_CTYPE, 'de_CH'); foreach (it::match('({(-?)([a-z]\w*)})', $cmd, array('all' => true)) as $tags) { list($tag, $option, $key) = $tags; $parts = array(); if ($option) { foreach ((array)$values["-$key"] as $key => $value) { if ($value === true || $value === false || $value === null) $parts[] = $value ? $key : ""; else foreach ((array)$value as $val) $parts[] = "$key " . it::_exec_quotevalue($val, "cmd=$cmd key=$key val=$val"); } } else { foreach ((array)$values[$key] as $value) $parts[] = it::_exec_quotevalue($value, "cmd=$cmd key=$key val=$value"); } $replacements[$tag] = join(" ", $parts); } $cmd = strtr($cmd, (array)$replacements); # Use strtr behaviour of going through source string once setlocale(LC_CTYPE, $oldlocale); return $cmd; } #fails with C locale!!! static function _exec_quotevalue($value, $errmsg = "") { $result = strval($value); if (it::match('^-', $result)) it::fatal("leading - in value: " . $errmsg); return preg_match('#^[-a-zA-Z0-9./_:,]+$#', $result) ? $result : escapeshellarg($result); } /** * Convert an image to a given size and type (ensures input is an image) * @param $p['in'] Input filename (mandatory) * @param $p['out'] Output filename (mandatory) * @param $p['size'] Width x height of resulting image, e.g. "160x60" * @param $p['type'] Output file type, e.g. "jpg" * @param $p['types'] Comma separated list of accepted input types, default "bmp,eps,gif,jp2,jpg,png,svg,tif" * @param $p['-opts'] Custom command line options to ImageMagick convert * @return Success of convert as true/false */ static function imageconvert($p) { if (!(($imagetype = @exif_imagetype($p['in'])) && ($type = image_type_to_extension($imagetype, false)))) { if (@get_class(it_xml::create(fopen($p['in'], "r"), array('prefix' => "_imageconvert_", 'safety' => 0))) == "_imageconvert_svg") $type = "svg"; # Accept SVG files if they are valid XML and root tag is svg else list(, $type) = explode(' ', strtolower(it::exec('identify 2>/dev/null {in}', $p))); # for things like eps } # emulate -auto-orient which is not supported by GM if ($p['-opts']['-auto-orient']) { $exif = @exif_read_data($p['in'], 'IFD0'); switch ($exif['Orientation']) { case 2: $p['-opts']['-flop'] = true; break; case 3: $p['-opts']['-rotate'] = 180; break; case 4: $p['-opts']['-flip'] = true; break; case 6: $p['-opts']['-rotate'] = 90; break; case 8: $p['-opts']['-rotate'] = 270; break; } unset($p['-opts']['-auto-orient']); } $type = strtr($type, array("jpeg" => "jpg", "tiff" => "tif", "ps" => "eps", "ept" => "eps")); $p += array('type' => $type, 'types' => "bmp,eps,gif,jp2,jpg,png,svg,tif"); $p['-opts'] = array('-thumbnail' => $p['size']) + (array)$p['-opts']; $ultratimeout = file_exists("/opt/ultra/bin/ultratimeout") ? "/opt/ultra/bin/ultratimeout 30 " : ""; if (in_array($type, explode(',', $p['types']))) # Valid type? $cmdoutput = it::exec($ultratimeout . 'gm convert 2>&1 -flatten -quality 75 {-opts} {in} {type}:{out} || echo "SHELL ERROR $?"', $p); return $cmdoutput === ""; } /** * Parse command line options with Usage given as template and return assoc array. Example: (like grep --help) * Usage: myprogram.php [OPTIONS] PATTERN * -s, --short Use short ouput * -f, --file=FILE Use FILE for input * -x EXTENSION Ignore EXTENSION * Mandatory arguments from the Usage: line are returned under their (lowercased!) name. * All non-option arguments are returned in 'args' * Option text must be indented; if long and short option present, value is stored in long option * Options without arguments store true or false under their key * Options -h and --help will be handled internally by printing usage and exiting * When printing, the usage will be de-indented so the first line starts in the first column * Two or more blanks must be in front of option explanation * @param $helplines Usage parsed to determine options * @return Associative array of options */ static function getopt($helplines) { $GLOBALS['it_stdin'] = array( 'fd' => null, 'args' => array(), 'filename' => "", 'line' => 0, ); $result = array('args' => array()); if ($indentation = it::match('^\s+', $helplines)) $helplines = it::replace(array($indentation => "\n"), $helplines); foreach(explode("\n", trim($helplines)) as $helpline) { $shortoptname = $shortoptarg = $longoptname = $longoptarg = ""; foreach (explode(',', $helpline) as $optdesc) { $optdesc = trim($optdesc); if ($matches = (array)it::match('^--(\w[\w-]*)(=[A-Z])?', $optdesc)) list($longoptname, $longoptarg) = $matches; elseif ($matches = (array)it::match('^-(\w)( [A-Z])?', $optdesc)) list($shortoptname, $shortoptarg) = $matches; } if ($longoptname || $shortoptname) { if ($longoptname && ($shortoptname || $shortoptname === "0")) $alias[$shortoptname] = $longoptname; $witharg[$longoptname ? $longoptname : $shortoptname] = $longoptarg || $shortoptarg; } } $witharg['debug'] = true; $mandatoryargs = array(); if ($tmp = trim(it::replace(array("\n.*" => "", "^\S+\s+\S+\s*" => "", "\[.*?\]\s*" => ""), trim($helplines)))) $mandatoryargs = preg_split('/\s+/', $tmp); foreach (array_slice($_SERVER['argv'], 1) as $arg) { if ($eat) { if (it::match('^--?\w', $arg)) # Already next option => Missing argument? $err = true; else $result[array_shift($eat)] = $arg; } elseif ($matches = (array)it::match('^--(\w[\w-]*)(=.*)?', $arg)) { list($optname, $val) = $matches; if (!isset($witharg[$optname]) || isset($val) && !$witharg[$optname]) $err = true; else if($witharg[$optname] && !$val) $eat[] = $optname; else $result[$optname] = $val ? substr($val, 1) : true; } else if (($letters = it::match('^-(\w+)', $arg)) || $letters === "0") { foreach (explode("\n", trim(chunk_split($letters, 1, "\n"))) as $letter) { $optname = $alias[$letter] ? $alias[$letter] : $letter; if ($witharg[$optname]) $eat[] = $optname; else if (!isset($witharg[$optname])) $err = true; else $result[$optname] = true; } } elseif($mandatoryargs) $result[strtolower(array_shift($mandatoryargs))] = $arg; else $result['args'][] = $arg; } if ($err || $eat || $result['h'] || $result['help'] || $mandatoryargs) { fputs(($result['h'] || $result['help'] ? STDOUT : STDERR), trim($helplines) . "\n"); exit(1); } if ($result['debug']) { foreach (preg_split('/[.,]/', $result['debug']) as $ultrad) { $ultravar = preg_split('/[-=:]/', $ultrad); $GLOBALS["debug_$ultravar[0]"] = isset($ultravar[1]) ? $ultravar[1] : 1; } } $GLOBALS['it_stdin']['args'] = $result['args'] ? $result['args'] : array("-"); it::_stdin_next(); return $result; } static function _stdin_next() { if ($result = $GLOBALS['it_stdin']['args']) { $GLOBALS['it_stdin']['filename'] = array_shift($GLOBALS['it_stdin']['args']); $GLOBALS['it_stdin']['fd'] = ($GLOBALS['it_stdin']['filename'] == "-") ? STDIN : @fopen($GLOBALS['it_stdin']['filename'], "r"); $GLOBALS['it_stdin']['line'] = 0; } return $result; } /** * Get one line from stdin (or files given on command line) a la Perl <>. * Note: You need to call getopt() before using this function. * @return Line (including newline) or false on eof */ static function gets() { do { $result = fgets($GLOBALS['it_stdin']['fd']); } while (($result === false) && it::_stdin_next()); $GLOBALS['it_stdin']['line']++; return $result; } /** * Output formatted and localized date * @param format optional format (default is 2007-01-02 03:04:05). * Other formats are "date", "datetime", "time". * Formats can be qualified with language, e.g. "date:en" * Special formats without language support are "icsdate", "icsdatetime". * @param stamp optional unix timestamp (default is now). * If it contains nondigits, it is fed to strtotime */ static function date($format = "", $stamp = null) { if (!isset($stamp)) $stamp = time(); else if (is_string($stamp) && !ctype_digit($stamp)) $stamp = strtotime($stamp); list($name, $language) = explode(":", $format); if ($format && !$language) $language = T_lang(); $formats = array( "" => "Y-m-d H:i:s", "date" => "d.m.Y", "datetime" => "d.m.Y H:i", "time" => "H:i", "date:en" => "m/d/Y", "datetime:en" => "m/d/Y h:ia", "time:en" => "h:ia", "icsdate" => "Ymd", ); if (!($formatstring = $formats["$name:$language"]) && !($formatstring = $formats[$name])) { if ($format == "icsdatetime") # Special icsdate or icsdatetime format? Use UTC time format for Google Calendar to be happy return gmdate("Ymd", $stamp) . "T" . gmdate("His", $stamp) . "Z"; else $formatstring = $format; } return date($formatstring, $stamp); } /** * Iterate over an array, replacing every element by expression * @param $expression The expression to apply, may contain $k for keys and $v for values * @param $array The array to iterate over */ static function map($expression, $array) { static $cache = array(); if (!($func = $cache[$expression])) $func = $cache[$expression] = create_function('$k,$v', "return $expression;"); foreach ($array as $k => $v) $result[$k] = $func($k, $v); return (array)$result; } /** * Send a mail. * @param $p Header => Content pairs with Body => for the mail body * @param $p['forcemail'] Send this mail even if we're on a twin or devel machine * @return nothing useful */ static function mail($p) { $headers = $p; unset($headers['forcemail'], $headers['Body']); $mail = new it_mail($headers); $mail->add_body($p['Body']); return $mail->send($p); } /** * Reads a file and returns it as string or in one of several formats. Two params: filename and flags * @param $filename name of file to read or - for stdin * @param $p['keyval'] each line of the file is one tab-separated key/value pair, return assoc array * @param $p['lines'] return file as array of lines without newline */ static function file_get($filename, $p = array()) { if (($data = file_get_contents($filename == "-" ? "php://stdin" : $filename)) !== false) { if ($p['keyval']) { foreach (explode("\n", rtrim($data, "\n")) as $line) { $arr = explode("\t", $line, 2); $result[$arr[0]] = $arr[1]; } } else if ($p['lines']) $result = explode("\n", rtrim($data, "\n")); else $result = $data; } return $result; } /** * Write data to a file with several serialization modes * @param $filename name of file to write or - for stdout * @param $data data to write * @param $p['keyval'] $data must be an assoc array and is written as tab-separated lines * @param $p['lines'] write array of lines, appending newline */ static function file_put($filename, $data, $p = array()) { if ($p['keyval']) $data = join("", it::map('"$k\t$v\n"', $data)); else if ($p['lines']) $data = count((array)$data) ? join("\n", (array)$data) ."\n" : ""; return ($out = fopen($filename == "-" ? "php://stdout" : $filename, "w")) && (fputs($out, $data) === strlen($data)) && fclose($out); } /** * Create an it_pipe from a file * @param $fn filename to read. if omitted, stdin is used. */ function cat($fn = null) { return new it_pipe(array('fn' => $fn)); } /** * Create an it_pipe from a command or a lines array * @param $cmd command to execute, or if it is an array, the lines to use * @param $args named arguments to fill into cmd. see it::exec for usage */ function pipe($cmd, $args = array()) { return new it_pipe(is_string($cmd) ? array('cmd' => $cmd, 'args' => $args) : array('data' => $cmd)); } } ?>