* Copyright 2005-2008, Cake Software Foundation, Inc.
* 1785 E. Sahara Avenue, Suite 490-204
* Las Vegas, Nevada 89104
*
* Licensed under The MIT License
* Redistributions of files must retain the above copyright notice.
*
* @filesource
* @copyright Copyright 2005-2008, Cake Software Foundation, Inc.
* @link http://www.cakefoundation.org/projects/info/cakephp CakePHP(tm) Project
* @package cake
* @subpackage cake.cake
* @since CakePHP(tm) v 0.2.9
* @version $Revision$
* @modifiedby $LastChangedBy$
* @lastmodified $Date$
* @license http://www.opensource.org/licenses/mit-license.php The MIT License
*/
/**
* Basic defines for timing functions.
*/
define('SECOND', 1);
define('MINUTE', 60 * SECOND);
define('HOUR', 60 * MINUTE);
define('DAY', 24 * HOUR);
define('WEEK', 7 * DAY);
define('MONTH', 30 * DAY);
define('YEAR', 365 * DAY);
/**
* Patch for PHP < 5.0
*/
if (!function_exists('clone')) {
if (version_compare(PHP_VERSION, '5.0') < 0) {
eval ('
function clone($object)
{
return $object;
}');
}
}
/**
* Loads configuration files. Receives a set of configuration files
* to load.
* Example:
*
* config('config1', 'config2');
*
*
* @return boolean Success
*/
function config() {
$args = func_get_args();
foreach ($args as $arg) {
if (('database' == $arg) && file_exists(CONFIGS . $arg . '.php')) {
include_once(CONFIGS . $arg . '.php');
} elseif (file_exists(CONFIGS . $arg . '.php')) {
include_once(CONFIGS . $arg . '.php');
if (count($args) == 1) {
return true;
}
} else {
if (count($args) == 1) {
return false;
}
}
}
return true;
}
/**
* Loads component/components from LIBS. Takes optional number of parameters.
*
* Example:
*
* uses('flay', 'time');
*
*
* @param string $name Filename without the .php part
*/
function uses() {
$args = func_get_args();
foreach ($args as $file) {
require_once(LIBS . strtolower($file) . '.php');
}
}
/**
* Prints out debug information about given variable.
*
* Only runs if debug level is non-zero.
*
* @param boolean $var Variable to show debug information for.
* @param boolean $showHtml If set to true, the method prints the debug data in a screen-friendly way.
* @param boolean $showFrom If set to true, the method prints from where the function was called.
*/
function debug($var = false, $showHtml = false, $showFrom = true) {
if (Configure::read() > 0) {
if ($showFrom) {
$calledFrom = debug_backtrace();
print "".substr(r(ROOT, "", $calledFrom[0]['file']), 1)." (line ".$calledFrom[0]['line'].")";
}
print "\n\n";
$var = print_r($var, true);
if ($showHtml) {
$var = str_replace('<', '<', str_replace('>', '>', $var));
}
print "{$var}\n\n";
}
}
if (!function_exists('getMicrotime')) {
/**
* Returns microtime for execution time checking
*
* @return float Microtime
*/
function getMicrotime() {
list($usec, $sec) = explode(" ", microtime());
return ((float)$usec + (float)$sec);
}
}
if (!function_exists('sortByKey')) {
/**
* Sorts given $array by key $sortby.
*
* @param array $array Array to sort
* @param string $sortby Sort by this key
* @param string $order Sort order asc/desc (ascending or descending).
* @param integer $type Type of sorting to perform
* @return mixed Sorted array
*/
function sortByKey(&$array, $sortby, $order = 'asc', $type = SORT_NUMERIC) {
if (!is_array($array)) {
return null;
}
foreach ($array as $key => $val) {
$sa[$key] = $val[$sortby];
}
if ($order == 'asc') {
asort($sa, $type);
} else {
arsort($sa, $type);
}
foreach ($sa as $key => $val) {
$out[] = $array[$key];
}
return $out;
}
}
if (!function_exists('array_combine')) {
/**
* Combines given identical arrays by using the first array's values as keys,
* and the second one's values as values. (Implemented for back-compatibility with PHP4)
*
* @param array $a1 Array to use for keys
* @param array $a2 Array to use for values
* @return mixed Outputs either combined array or false.
*/
function array_combine($a1, $a2) {
$a1 = array_values($a1);
$a2 = array_values($a2);
$c1 = count($a1);
$c2 = count($a2);
if ($c1 != $c2) {
return false;
}
if ($c1 <= 0) {
return false;
}
$output = array();
for ($i = 0; $i < $c1; $i++) {
$output[$a1[$i]] = $a2[$i];
}
return $output;
}
}
/**
* Convenience method for htmlspecialchars.
*
* @param string $text Text to wrap through htmlspecialchars
* @param string $charset Character set to use when escaping. Defaults to config value in 'App.encoding' or 'UTF-8'
* @return string Wrapped text
*/
function h($text, $charset = null) {
if (is_array($text)) {
return array_map('h', $text);
}
if (empty($charset)) {
$charset = Configure::read('App.encoding');
}
if (empty($charset)) {
$charset = 'UTF-8';
}
return htmlspecialchars($text, ENT_QUOTES, $charset);
}
/**
* Returns an array of all the given parameters.
*
* Example:
*
* a('a', 'b')
*
*
* Would return:
*
* array('a', 'b')
*
*
* @return array Array of given parameters
*/
function a() {
$args = func_get_args();
return $args;
}
/**
* Constructs associative array from pairs of arguments.
*
* Example:
*
* aa('a','b')
*
*
* Would return:
*
* array('a'=>'b')
*
*
* @return array Associative array
*/
function aa() {
$args = func_get_args();
for ($l = 0, $c = count($args); $l < $c; $l++) {
if ($l + 1 < count($args)) {
$a[$args[$l]] = $args[$l + 1];
} else {
$a[$args[$l]] = null;
}
$l++;
}
return $a;
}
/**
* Convenience method for echo().
*
* @param string $text String to echo
*/
function e($text) {
echo $text;
}
/**
* Convenience method for strtolower().
*
* @param string $str String to lowercase
* @return string Lowercased string
*/
function low($str) {
return strtolower($str);
}
/**
* Convenience method for strtoupper().
*
* @param string $str String to uppercase
* @return string Uppercased string
*/
function up($str) {
return strtoupper($str);
}
/**
* Convenience method for str_replace().
*
* @param string $search String to be replaced
* @param string $replace String to insert
* @param string $subject String to search
* @return string Replaced string
*/
function r($search, $replace, $subject) {
return str_replace($search, $replace, $subject);
}
/**
* Print_r convenience function, which prints out tags around
* the output of given array. Similar to debug().
*
* @see debug()
* @param array $var Variable to print out
* @param boolean $showFrom If set to true, the method prints from where the function was called
*/
function pr($var) {
if (Configure::read() > 0) {
echo "";
print_r($var);
echo "
";
}
}
/**
* Display parameter
*
* @param mixed $p Parameter as string or array
* @return string
*/
function params($p) {
if (!is_array($p) || count($p) == 0) {
return null;
}
if (is_array($p[0]) && count($p) == 1) {
return $p[0];
}
return $p;
}
/**
* Merge a group of arrays
*
* @param array First array
* @param array Second array
* @param array Third array
* @param array Etc...
* @return array All array parameters merged into one
*/
function am() {
$r = array();
foreach (func_get_args()as $a) {
if (!is_array($a)) {
$a = array($a);
}
$r = array_merge($r, $a);
}
return $r;
}
/**
* Gets an environment variable from available sources, and provides emulation
* for unsupported or inconsisten environment variables (i.e. DOCUMENT_ROOT on
* IIS, or SCRIPT_NAME in CGI mode). Also exposes some additional custom
* environment information.
*
* @param string $key Environment variable name.
* @return string Environment variable setting.
*/
function env($key) {
if ($key == 'HTTPS') {
if (isset($_SERVER) && !empty($_SERVER)) {
return (isset($_SERVER['HTTPS']) && $_SERVER['HTTPS'] == 'on');
}
return (strpos(env('SCRIPT_URI'), 'https://') === 0);
}
if ($key == 'SCRIPT_NAME') {
if (env('CGI_MODE') && isset($_ENV['SCRIPT_URL'])) {
$key = 'SCRIPT_URL';
}
}
$val = null;
if (isset($_SERVER[$key])) {
$val = $_SERVER[$key];
} elseif (isset($_ENV[$key])) {
$val = $_ENV[$key];
} elseif (getenv($key) !== false) {
$val = getenv($key);
}
if ($key == 'REMOTE_ADDR' && $val == env('SERVER_ADDR')) {
$addr = env('HTTP_PC_REMOTE_ADDR');
if ($addr != null) {
$val = $addr;
}
}
if ($val !== null) {
return $val;
}
switch ($key) {
case 'SCRIPT_FILENAME':
if (defined('SERVER_IIS') && SERVER_IIS === true){
return str_replace('\\\\', '\\', env('PATH_TRANSLATED') );
}
break;
case 'DOCUMENT_ROOT':
$offset = 0;
if (!strpos(env('SCRIPT_NAME'), '.php')) {
$offset = 4;
}
return substr(env('SCRIPT_FILENAME'), 0, strlen(env('SCRIPT_FILENAME')) - (strlen(env('SCRIPT_NAME')) + $offset));
break;
case 'PHP_SELF':
return r(env('DOCUMENT_ROOT'), '', env('SCRIPT_FILENAME'));
break;
case 'CGI_MODE':
return (PHP_SAPI == 'cgi');
break;
case 'HTTP_BASE':
$host = env('HTTP_HOST');
if (substr_count($host, '.') != 1) {
return preg_replace ('/^([^.])*/i', null, env('HTTP_HOST'));
}
return '.' . $host;
break;
}
return null;
}
if (!function_exists('file_put_contents')) {
/**
* Writes data into file.
*
* If file exists, it will be overwritten. If data is an array, it will be join()ed with an empty string.
*
* @param string $fileName File name.
* @param mixed $data String or array.
* @return boolean Success
*/
function file_put_contents($fileName, $data) {
if (is_array($data)) {
$data = join('', $data);
}
$res = @fopen($fileName, 'w+b');
if ($res) {
$write = @fwrite($res, $data);
if ($write === false) {
return false;
} else {
@fclose($res);
return $write;
}
}
return false;
}
}
/**
* Reads/writes temporary data to cache files or session.
*
* @param string $path File path within /tmp to save the file.
* @param mixed $data The data to save to the temporary file.
* @param mixed $expires A valid strtotime string when the data expires.
* @param string $target The target of the cached data; either 'cache' or 'public'.
* @return mixed The contents of the temporary file.
* @deprecated Please use Cache::write() instead
*/
function cache($path, $data = null, $expires = '+1 day', $target = 'cache') {
if (Configure::read('Cache.disable')) {
return null;
}
$now = time();
if (!is_numeric($expires)) {
$expires = strtotime($expires, $now);
}
switch(low($target)) {
case 'cache':
$filename = CACHE . $path;
break;
case 'public':
$filename = WWW_ROOT . $path;
break;
case 'tmp':
$filename = TMP . $path;
break;
}
$timediff = $expires - $now;
$filetime = false;
if (file_exists($filename)) {
$filetime = @filemtime($filename);
}
if ($data === null) {
if (file_exists($filename) && $filetime !== false) {
if ($filetime + $timediff < $now) {
@unlink($filename);
} else {
$data = @file_get_contents($filename);
}
}
} elseif (is_writable(dirname($filename))) {
@file_put_contents($filename, $data);
}
return $data;
}
/**
* Used to delete files in the cache directories, or clear contents of cache directories
*
* @param mixed $params As String name to be searched for deletion, if name is a directory all files in directory will be deleted.
* If array, names to be searched for deletion.
* If clearCache() without params, all files in app/tmp/cache/views will be deleted
*
* @param string $type Directory in tmp/cache defaults to view directory
* @param string $ext The file extension you are deleting
* @return true if files found and deleted false otherwise
*/
function clearCache($params = null, $type = 'views', $ext = '.php') {
if (is_string($params) || $params === null) {
$params = preg_replace('/\/\//', '/', $params);
$cache = CACHE . $type . DS . $params;
if (is_file($cache . $ext)) {
@unlink($cache . $ext);
return true;
} elseif (is_dir($cache)) {
$files = glob("$cache*");
if ($files === false) {
return false;
}
foreach ($files as $file) {
if (is_file($file)) {
@unlink($file);
}
}
return true;
} else {
$cache = array(
CACHE . $type . DS . '*' . $params . $ext,
CACHE . $type . DS . '*' . $params . '_*' . $ext
);
$files = array();
while ($search = array_shift($cache)) {
$results = glob($search);
if ($results !== false) {
$files = array_merge($files, $results);
}
}
if (empty($files)) {
return false;
}
foreach ($files as $file) {
if (is_file($file)) {
@unlink($file);
}
}
return true;
}
} elseif (is_array($params)) {
foreach ($params as $key => $file) {
clearCache($file, $type, $ext);
}
return true;
}
return false;
}
/**
* Recursively strips slashes from all values in an array
*
* @param array $values Array of values to strip slashes
* @return mixed What is returned from calling stripslashes
*/
function stripslashes_deep($values) {
if (is_array($values)) {
foreach ($values as $key => $value) {
$values[$key] = stripslashes_deep($value);
}
} else {
$values = stripslashes($values);
}
return $values ;
}
/**
* Returns a translated string if one is found, or the submitted message if not found.
*
* @param string $singular Text to translate
* @param boolean $return Set to true to return translated string, or false to echo
* @return mixed translated string if $return is false string will be echoed
*/
function __($singular, $return = false) {
if (!$singular) {
return;
}
if (!class_exists('I18n')) {
App::import('Core', 'i18n');
}
if ($return === false) {
echo I18n::translate($singular);
} else {
return I18n::translate($singular);
}
}
/**
* Returns correct plural form of message identified by $singular and $plural for count $count.
* Some languages have more than one form for plural messages dependent on the count.
*
* @param string $singular Singular text to translate
* @param string $plural Plural text
* @param integer $count Count
* @param boolean $return true to return, false to echo
* @return mixed plural form of translated string if $return is false string will be echoed
*/
function __n($singular, $plural, $count, $return = false) {
if (!$singular) {
return;
}
if (!class_exists('I18n')) {
App::import('Core', 'i18n');
}
if ($return === false) {
echo I18n::translate($singular, $plural, null, 5, $count);
} else {
return I18n::translate($singular, $plural, null, 5, $count);
}
}
/**
* Allows you to override the current domain for a single message lookup.
*
* @param string $domain Domain
* @param string $msg String to translate
* @param string $return true to return, false to echo
* @return translated string if $return is false string will be echoed
*/
function __d($domain, $msg, $return = false) {
if (!$msg) {
return;
}
if (!class_exists('I18n')) {
App::import('Core', 'i18n');
}
if ($return === false) {
echo I18n::translate($msg, null, $domain);
} else {
return I18n::translate($msg, null, $domain);
}
}
/**
* Allows you to override the current domain for a single plural message lookup
* Returns correct plural form of message identified by $singular and $plural for count $count
* from domain $domain
*
* @param string $domain Domain
* @param string $singular Singular string to translate
* @param string $plural Plural
* @param integer $count Count
* @param boolean $return true to return, false to echo
* @return plural form of translated string if $return is false string will be echoed
*/
function __dn($domain, $singular, $plural, $count, $return = false) {
if (!$singular) {
return;
}
if (!class_exists('I18n')) {
App::import('Core', 'i18n');
}
if ($return === false) {
echo I18n::translate($singular, $plural, $domain, 5, $count);
} else {
return I18n::translate($singular, $plural, $domain, 5, $count);
}
}
/**
* Allows you to override the current domain for a single message lookup.
* It also allows you to specify a category.
*
* The category argument allows a specific category of the locale settings to be used for fetching a message.
* Valid categories are: LC_CTYPE, LC_NUMERIC, LC_TIME, LC_COLLATE, LC_MONETARY, LC_MESSAGES and LC_ALL.
*
* Note that the category must be specified with a numeric value, instead of the constant name. The values are:
* LC_CTYPE 0
* LC_NUMERIC 1
* LC_TIME 2
* LC_COLLATE 3
* LC_MONETARY 4
* LC_MESSAGES 5
* LC_ALL 6
*
* @param string $domain Domain
* @param string $msg Message to translate
* @param integer $category Category
* @param boolean $return true to return, false to echo
* @return translated string if $return is false string will be echoed
*/
function __dc($domain, $msg, $category, $return = false) {
if (!$msg) {
return;
}
if (!class_exists('I18n')) {
App::import('Core', 'i18n');
}
if ($return === false) {
echo I18n::translate($msg, null, $domain, $category);
} else {
return I18n::translate($msg, null, $domain, $category);
}
}
/**
* Allows you to override the current domain for a single plural message lookup.
* It also allows you to specify a category.
* Returns correct plural form of message identified by $singular and $plural for count $count
* from domain $domain
*
* The category argument allows a specific category of the locale settings to be used for fetching a message.
* Valid categories are: LC_CTYPE, LC_NUMERIC, LC_TIME, LC_COLLATE, LC_MONETARY, LC_MESSAGES and LC_ALL.
*
* Note that the category must be specified with a numeric value, instead of the constant name. The values are:
* LC_CTYPE 0
* LC_NUMERIC 1
* LC_TIME 2
* LC_COLLATE 3
* LC_MONETARY 4
* LC_MESSAGES 5
* LC_ALL 6
*
* @param string $domain Domain
* @param string $singular Singular string to translate
* @param string $plural Plural
* @param integer $count Count
* @param integer $category Category
* @param boolean $return true to return, false to echo
* @return plural form of translated string if $return is false string will be echoed
*/
function __dcn($domain, $singular, $plural, $count, $category, $return = false) {
if (!$singular) {
return;
}
if (!class_exists('I18n')) {
App::import('Core', 'i18n');
}
if ($return === false) {
echo I18n::translate($singular, $plural, $domain, $category, $count);
} else {
return I18n::translate($singular, $plural, $domain, $category, $count);
}
}
/**
* The category argument allows a specific category of the locale settings to be used for fetching a message.
* Valid categories are: LC_CTYPE, LC_NUMERIC, LC_TIME, LC_COLLATE, LC_MONETARY, LC_MESSAGES and LC_ALL.
*
* Note that the category must be specified with a numeric value, instead of the constant name. The values are:
* LC_CTYPE 0
* LC_NUMERIC 1
* LC_TIME 2
* LC_COLLATE 3
* LC_MONETARY 4
* LC_MESSAGES 5
* LC_ALL 6
*
* @param string $msg String to translate
* @param integer $category Category
* @param string $return true to return, false to echo
* @return translated string if $return is false string will be echoed
*/
function __c($msg, $category, $return = false) {
if (!$msg) {
return;
}
if (!class_exists('I18n')) {
App::import('Core', 'i18n');
}
if ($return === false) {
echo I18n::translate($msg, null, null, $category);
} else {
return I18n::translate($msg, null, null, $category);
}
}
/**
* Computes the difference of arrays using keys for comparison
*
* @param array First array
* @param array Second array
* @return array Array with different keys
*/
if (!function_exists('array_diff_key')) {
function array_diff_key() {
$valuesDiff = array();
if (func_num_args() < 2) {
return false;
}
foreach (func_get_args() as $param) {
if (!is_array($param)) {
return false;
}
}
$args = func_get_args();
foreach ($args[0] as $valueKey => $valueData) {
for ($i = 1; $i < func_num_args(); $i++) {
if (isset($args[$i][$valueKey])) {
continue 2;
}
}
$valuesDiff[$valueKey] = $valueData;
}
return $valuesDiff;
}
}
/**
* Computes the intersection of arrays using keys for comparison
*
* @param array First array
* @param array Second array
* @return array Array with interesected keys
*/
if (!function_exists('array_intersect_key')) {
function array_intersect_key($arr1, $arr2) {
$res = array();
foreach ($arr1 as $key=>$value) {
if (array_key_exists($key, $arr2)) {
$res[$key] = $arr1[$key];
}
}
return $res;
}
}
/**
* Shortcut to Log::write.
*
* @param string $message Message to write to log
*/
function LogError($message) {
if (!class_exists('CakeLog')) {
App::import('Core', 'CakeLog');
}
$bad = array("\n", "\r", "\t");
$good = ' ';
CakeLog::write('error', str_replace($bad, $good, $message));
}
/**
* Searches include path for files
*
* @param string $file File to look for
* @return Full path to file if exists, otherwise false
*/
function fileExistsInPath($file) {
$paths = explode(PATH_SEPARATOR, ini_get('include_path'));
foreach ($paths as $path) {
$fullPath = $path . DIRECTORY_SEPARATOR . $file;
if (file_exists($fullPath)) {
return $fullPath;
} elseif (file_exists($file)) {
return $file;
}
}
return false;
}
/**
* Convert forward slashes to underscores and removes first and last underscores in a string
*
* @param string String to convert
* @return string with underscore remove from start and end of string
*/
function convertSlash($string) {
$string = trim($string,"/");
$string = preg_replace('/\/\//', '/', $string);
$string = str_replace('/', '_', $string);
return $string;
}
/**
* Implements http_build_query for PHP4.
*
* @param string $data Data to set in query string
* @param string $prefix If numeric indices, prepend this to index for elements in base array.
* @param string $argSep String used to separate arguments
* @param string $baseKey Base key
* @return string URL encoded query string
* @see http://php.net/http_build_query
*/
if (!function_exists('http_build_query')) {
function http_build_query($data, $prefix = null, $argSep = null, $baseKey = null) {
if (empty($argSep)) {
$argSep = ini_get('arg_separator.output');
}
if (is_object($data)) {
$data = get_object_vars($data);
}
$out = array();
foreach ((array)$data as $key => $v) {
if (is_numeric($key) && !empty($prefix)) {
$key = $prefix . $key;
}
$key = urlencode($key);
if (!empty($baseKey)) {
$key = $baseKey . '[' . $key . ']';
}
if (is_array($v) || is_object($v)) {
$out[] = http_build_query($v, $prefix, $argSep, $key);
} else {
$out[] = $key . '=' . urlencode($v);
}
}
return implode($argSep, $out);
}
}
/**
* Wraps ternary operations. If $condition is a non-empty value, $val1 is returned, otherwise $val2.
* Don't use for isset() conditions, or wrap your variable with @ operator:
* Example:
*
* ife(isset($variable), @$variable, 'default');
*
*
* @param mixed $condition Conditional expression
* @param mixed $val1 Value to return in case condition matches
* @param mixed $val2 Value to return if condition doesn't match
* @return mixed $val1 or $val2, depending on whether $condition evaluates to a non-empty expression.
*/
function ife($condition, $val1 = null, $val2 = null) {
if (!empty($condition)) {
return $val1;
}
return $val2;
}
?>