/cake/basics.php
PHP | 959 lines | 538 code | 36 blank | 385 comment | 131 complexity | 0b2bba401660afea1cb5bb0aff66a832 MD5 | raw file
Possible License(s): LGPL-2.1
- <?php
- /* SVN FILE: $Id$ */
- /**
- * Basic Cake functionality.
- *
- * Core functions for including other source files, loading models and so forth.
- *
- * PHP versions 4 and 5
- *
- * CakePHP(tm) : Rapid Development Framework (http://cakephp.org)
- * Copyright 2005-2011, Cake Software Foundation, Inc. (http://cakefoundation.org)
- *
- * Licensed under The MIT License
- * Redistributions of files must retain the above copyright notice.
- *
- * @copyright Copyright 2005-2011, Cake Software Foundation, Inc. (http://cakefoundation.org)
- * @link http://cakephp.org 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 old versions of PHP4.
- */
- if (!defined('PHP_EOL')) {
- switch (strtoupper(substr(PHP_OS, 0, 3))) {
- case 'WIN':
- define('PHP_EOL', "\r\n");
- break;
- default:
- define('PHP_EOL', "\n");
- }
- }
- /**
- * Patch PHP4 and PHP5.0
- */
- if (!defined('DATE_RFC2822')) {
- define('DATE_RFC2822', 'D, d M Y H:i:s O');
- }
- /**
- * 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 $arg) {
- if ($arg === 'database' && file_exists(CONFIGS . 'database.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 greater than 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 $showFrom If set to true, the method prints from where the function was called.
- * @link http://book.cakephp.org/view/458/Basic-Debugging
- */
- function debug($var = false, $showHtml = false, $showFrom = true) {
- if (Configure::read() > 0) {
- if ($showFrom) {
- $calledFrom = debug_backtrace();
- echo '<strong>' . substr(str_replace(ROOT, '', $calledFrom[0]['file']), 1) . '</strong>';
- echo ' (line <strong>' . $calledFrom[0]['line'] . '</strong>)';
- }
- echo "\n<pre class=\"cake-debug\">\n";
- $var = print_r($var, true);
- if ($showHtml) {
- $var = str_replace('<', '<', str_replace('>', '>', $var));
- }
- echo $var . "\n</pre>\n";
- }
- }
- if (!function_exists('getMicrotime')) {
- /**
- * Returns microtime for execution time checking
- *
- * @return float Microtime
- */
- function getMicrotime() {
- list($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 backwards 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 $charset Character set to use when escaping. Defaults to config value in 'App.encoding' or 'UTF-8'
- * @return string Wrapped text
- * @link http://book.cakephp.org/view/703/h
- */
- function h($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
- * @link http://book.cakephp.org/view/694/a
- */
- 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
- * @link http://book.cakephp.org/view/695/aa
- */
- function aa() {
- $args = func_get_args();
- $argc = count($args);
- for ($i = 0; $i < $argc; $i++) {
- if ($i + 1 < $argc) {
- $a[$args[$i]] = $args[$i + 1];
- } else {
- $a[$args[$i]] = null;
- }
- $i++;
- }
- return $a;
- }
- /**
- * Convenience method for echo().
- *
- * @param string $text String to echo
- * @link http://book.cakephp.org/view/700/e
- */
- function e($text) {
- echo $text;
- }
- /**
- * Convenience method for strtolower().
- *
- * @param string $str String to lowercase
- * @return string Lowercased string
- * @link http://book.cakephp.org/view/705/low
- */
- function low($str) {
- return strtolower($str);
- }
- /**
- * Convenience method for strtoupper().
- *
- * @param string $str String to uppercase
- * @return string Uppercased string
- * @link http://book.cakephp.org/view/710/up
- */
- function up($str) {
- return strtoupper($str);
- }
- /**
- * Convenience method for str_replace().
- *
- * @param string $search String to be replaced
- * @param string $replace String to insert
- * @param string $subject String to search
- * @return string Replaced string
- * @link http://book.cakephp.org/view/708/r
- */
- function r($search, $replace, $subject) {
- return str_replace($search, $replace, $subject);
- }
- /**
- * Print_r convenience function, which prints out <PRE> tags around
- * the output of given array. Similar to debug().
- *
- * @see debug()
- * @param array $var Variable to print out
- * @param boolean $showFrom If set to true, the method prints from where the function was called
- * @link http://book.cakephp.org/view/707/pr
- */
- function pr($var) {
- if (Configure::read() > 0) {
- echo '<pre>';
- print_r($var);
- echo '</pre>';
- }
- }
- /**
- * Display parameters.
- *
- * @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
- * @link http://book.cakephp.org/view/696/am
- */
- function am() {
- $r = array();
- $args = func_get_args();
- foreach ($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 inconsistent environment variables (i.e. DOCUMENT_ROOT on
- * IIS, or SCRIPT_NAME in CGI mode). Also exposes some additional custom
- * environment information.
- *
- * @param string $key Environment variable name.
- * @return string Environment variable setting.
- * @link http://book.cakephp.org/view/701/env
- */
- function env($key) {
- if ($key == 'HTTPS') {
- if (isset($_SERVER['HTTPS'])) {
- return (!empty($_SERVER['HTTPS']) && $_SERVER['HTTPS'] !== 'off');
- }
- return (strpos(env('SCRIPT_URI'), 'https://') === 0);
- }
- if ($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':
- $name = env('SCRIPT_NAME');
- $filename = env('SCRIPT_FILENAME');
- $offset = 0;
- if (!strpos($name, '.php')) {
- $offset = 4;
- }
- return substr($filename, 0, strlen($filename) - (strlen($name) + $offset));
- break;
- case 'PHP_SELF':
- return str_replace(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 implode()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 = implode('', $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, $now);
- }
- switch (strtolower($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 $file) {
- clearCache($file, $type, $ext);
- }
- return true;
- }
- return false;
- }
- /**
- * Recursively strips slashes from all values in an array
- *
- * @param array $values Array of values to strip slashes
- * @return mixed What is returned from calling stripslashes
- * @link http://book.cakephp.org/view/709/stripslashes_deep
- */
- function stripslashes_deep($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; Otherwise, the submitted message.
- *
- * @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 $return is false string will be echoed
- * @link http://book.cakephp.org/view/693/__
- */
- function __($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, 6, $count);
- } else {
- return I18n::translate($singular, $plural, null, 6, $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, 6, $count);
- } else {
- return I18n::translate($singular, $plural, $domain, 6, $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_ALL 0
- * - LC_COLLATE 1
- * - LC_CTYPE 2
- * - LC_MONETARY 3
- * - LC_NUMERIC 4
- * - LC_TIME 5
- * - LC_MESSAGES 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_ALL 0
- * - LC_COLLATE 1
- * - LC_CTYPE 2
- * - LC_MONETARY 3
- * - LC_NUMERIC 4
- * - LC_TIME 5
- * - LC_MESSAGES 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_ALL 0
- * - LC_COLLATE 1
- * - LC_CTYPE 2
- * - LC_MONETARY 3
- * - LC_NUMERIC 4
- * - LC_TIME 5
- * - LC_MESSAGES 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();
- $argc = func_num_args();
- if ($argc < 2) {
- return false;
- }
- $args = func_get_args();
- foreach ($args as $param) {
- if (!is_array($param)) {
- return false;
- }
- }
- foreach ($args[0] as $valueKey => $valueData) {
- for ($i = 1; $i < $argc; $i++) {
- if (array_key_exists($valueKey, $args[$i])) {
- 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 $file File to look for
- * @return Full path to file if exists, otherwise false
- * @link http://book.cakephp.org/view/702/fileExistsInPath
- */
- function fileExistsInPath($file) {
- $paths = explode(PATH_SEPARATOR, ini_get('include_path'));
- foreach ($paths as $path) {
- $fullPath = $path . DS . $file;
- if (file_exists($fullPath)) {
- return $fullPath;
- } elseif (file_exists($file)) {
- return $file;
- }
- }
- return false;
- }
- /**
- * Convert forward slashes to underscores and removes first and last underscores in a string
- *
- * @param string String to convert
- * @return string with underscore remove from start and end of string
- * @link http://book.cakephp.org/view/697/convertSlash
- */
- function convertSlash($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 $condition evaluates to a non-empty expression.
- * @link http://book.cakephp.org/view/704/ife
- */
- function ife($condition, $val1 = null, $val2 = null) {
- if (!empty($condition)) {
- return $val1;
- }
- return $val2;
- }
- ?>