本文实例讲述了php封装的smarty类。分享给大家供大家参考，具体如下：
print tags as plain text
const PHP_QUOTE = 1; //-> escape tags as entities
const PHP_REMOVE = 2; //-> escape tags as entities
const PHP_ALLOW = 3; //-> escape tags as entities
const FILTER_POST = 'post';
const FILTER_PRE = 'pre';
const FILTER_OUTPUT = 'output';
const FILTER_VARIABLE = 'variable';
const PLUGIN_FUNCTION = 'function';
const PLUGIN_BLOCK = 'block';
const PLUGIN_COMPILER = 'compiler';
const PLUGIN_MODIFIER = 'modifier';
const PLUGIN_MODIFIERCOMPILER = 'modifiercompiler';
public static $global_tpl_vars = array();
public static $_previous_error_handler = null;
public static $_muted_directories = array();
public static $_MBSTRING = SMARTY_MBSTRING;
public static $_CHARSET = SMARTY_RESOURCE_CHAR_SET;
public static $_DATE_FORMAT = SMARTY_RESOURCE_DATE_FORMAT;
public static $_UTF8_MODIFIER = 'u';
public static $_IS_WINDOWS = false;
public $auto_literal = true;
public $error_unassigned = false;
public $use_include_path = false;
private $template_dir = array();
public $joined_template_dir = null;
public $joined_config_dir = null;
public $default_template_handler_func = null;
public $default_config_handler_func = null;
public $default_plugin_handler_func = null;
private $compile_dir = null;
private $plugins_dir = array();
private $cache_dir = null;
private $config_dir = array();
public $force_compile = false;
public $compile_check = true;
public $use_sub_dirs = false;
public $allow_ambiguous_resources = false;
public $caching = false;
public $merge_compiled_includes = false;
public $inheritance_merge_compiled_includes = true;
public $cache_lifetime = 3600;
public $force_cache = false;
public $cache_id = null;
public $compile_id = null;
public $left_delimiter = "{";
public $right_delimiter = "}";
public $security_class = 'Smarty_Security';
public $security_policy = null;
public $php_handling = self::PHP_PASSTHRU;
public $allow_php_templates = false;
public $direct_access_security = true;
public $debugging = false;
public $debugging_ctrl = 'NONE';
public $smarty_debug_id = 'SMARTY_DEBUG';
public $debug_tpl = null;
public $error_reporting = null;
public $get_used_tags = false;
public $config_overwrite = true;
public $config_booleanize = true;
public $config_read_hidden = false;
public $compile_locking = true;
public $cache_locking = false;
public $locking_timeout = 10;
public $template_functions = array();
public $default_resource_type = 'file';
public $caching_type = 'file';
public $properties = array();
public $default_config_type = 'file';
public $template_objects = array();
public $cache_modified_check = false;
public $registered_plugins = array();
public $plugin_search_order = array('function', 'block', 'compiler', 'class');
public $registered_objects = array();
public $registered_classes = array();
public $registered_filters = array();
public $registered_resources = array();
public $_resource_handlers = array();
public $registered_cache_resources = array();
public $_cacheresource_handlers = array();
public $autoload_filters = array();
public $default_modifiers = array();
public $escape_html = false;
public static $_smarty_vars = array();
public $start_time = 0;
public $_file_perms = 0644;
public $_dir_perms = 0771;
public $_tag_stack = array();
public $smarty;
public $_current_file = null;
public $_parserdebug = false;
public $merged_templates_func = array();
public function __construct()
{
// selfpointer needed by some other class methods
$this->smarty = $this;
if (is_callable('mb_internal_encoding')) {
mb_internal_encoding(Smarty::$_CHARSET);
}
$this->start_time = microtime(true);
// set default dirs
$this->setTemplateDir('.' . DS . 'templates' . DS)
->setCompileDir('.' . DS . 'templates_c' . DS)
->setPluginsDir(SMARTY_PLUGINS_DIR)
->setCacheDir('.' . DS . 'cache' . DS)
->setConfigDir('.' . DS . 'configs' . DS);
$this->debug_tpl = 'file:' . dirname(__FILE__) . '/debug.tpl';
if (isset($_SERVER['script_NAME'])) {
$this->assignGlobal('script_NAME', $_SERVER['script_NAME']);
}
}
public function __destruct()
{
// intentionally left blank
}
public function __clone()
{
$this->smarty = $this;
}
public function __get($name)
{
$allowed = array(
'template_dir' => 'getTemplateDir',
'config_dir' => 'getConfigDir',
'plugins_dir' => 'getPluginsDir',
'compile_dir' => 'getCompileDir',
'cache_dir' => 'getCacheDir',
);
if (isset($allowed[$name])) {
return $this->{$allowed[$name]}();
} else {
trigger_error('Undefined property: ' . get_class($this) . '::$' . $name, E_USER_NOTICE);
}
}
public function __set($name, $value)
{
$allowed = array(
'template_dir' => 'setTemplateDir',
'config_dir' => 'setConfigDir',
'plugins_dir' => 'setPluginsDir',
'compile_dir' => 'setCompileDir',
'cache_dir' => 'setCacheDir',
);
if (isset($allowed[$name])) {
$this->{$allowed[$name]}($value);
} else {
trigger_error('Undefined property: ' . get_class($this) . '::$' . $name, E_USER_NOTICE);
}
}
public function templateExists($resource_name)
{
// create template object
$save = $this->template_objects;
$tpl = new $this->template_class($resource_name, $this);
// check if it does exists
$result = $tpl->source->exists;
$this->template_objects = $save;
return $result;
}
public function getGlobal($varname = null)
{
if (isset($varname)) {
if (isset(self::$global_tpl_vars[$varname])) {
return self::$global_tpl_vars[$varname]->value;
} else {
return '';
}
} else {
$_result = array();
foreach (self::$global_tpl_vars AS $key => $var) {
$_result[$key] = $var->value;
}
return $_result;
}
}
public function clearAllCache($exp_time = null, $type = null)
{
// load cache resource and call clearAll
$_cache_resource = Smarty_CacheResource::load($this, $type);
Smarty_CacheResource::invalidLoadedCache($this);
return $_cache_resource->clearAll($this, $exp_time);
}
public function clearCache($template_name, $cache_id = null, $compile_id = null, $exp_time = null, $type = null)
{
// load cache resource and call clear
$_cache_resource = Smarty_CacheResource::load($this, $type);
Smarty_CacheResource::invalidLoadedCache($this);
return $_cache_resource->clear($this, $template_name, $cache_id, $compile_id, $exp_time);
}
public function enableSecurity($security_class = null)
{
if ($security_class instanceof Smarty_Security) {
$this->security_policy = $security_class;
return $this;
} elseif (is_object($security_class)) {
throw new SmartyException("Class '" . get_class($security_class) . "' must extend Smarty_Security.");
}
if ($security_class == null) {
$security_class = $this->security_class;
}
if (!class_exists($security_class)) {
throw new SmartyException("Security class '$security_class' is not defined");
} elseif ($security_class !== 'Smarty_Security' && !is_subclass_of($security_class, 'Smarty_Security')) {
throw new SmartyException("Class '$security_class' must extend Smarty_Security.");
} else {
$this->security_policy = new $security_class($this);
}
return $this;
}
public function disableSecurity()
{
$this->security_policy = null;
return $this;
}
public function setTemplateDir($template_dir)
{
$this->template_dir = array();
foreach ((array) $template_dir as $k => $v) {
$this->template_dir[$k] = preg_replace('#(w+)(/|\\){1,}#', '$1$2', rtrim($v, '/\')) . DS;
}
$this->joined_template_dir = join(DIRECTORY_SEPARATOR, $this->template_dir);
return $this;
}
public function addTemplateDir($template_dir, $key = null)
{
// make sure we're dealing with an array
$this->template_dir = (array) $this->template_dir;
if (is_array($template_dir)) {
foreach ($template_dir as $k => $v) {
$v = preg_replace('#(w+)(/|\\){1,}#', '$1$2', rtrim($v, '/\')) . DS;
if (is_int($k)) {
// indexes are not merged but appended
$this->template_dir[] = $v;
} else {
// string indexes are overridden
$this->template_dir[$k] = $v;
}
}
} else {
$v = preg_replace('#(w+)(/|\\){1,}#', '$1$2', rtrim($template_dir, '/\')) . DS;
if ($key !== null) {
// override directory at specified index
$this->template_dir[$key] = $v;
} else {
// append new directory
$this->template_dir[] = $v;
}
}
$this->joined_template_dir = join(DIRECTORY_SEPARATOR, $this->template_dir);
return $this;
}
public function getTemplateDir($index = null)
{
if ($index !== null) {
return isset($this->template_dir[$index]) ? $this->template_dir[$index] : null;
}
return (array) $this->template_dir;
}
public function setConfigDir($config_dir)
{
$this->config_dir = array();
foreach ((array) $config_dir as $k => $v) {
$this->config_dir[$k] = preg_replace('#(w+)(/|\\){1,}#', '$1$2', rtrim($v, '/\')) . DS;
}
$this->joined_config_dir = join(DIRECTORY_SEPARATOR, $this->config_dir);
return $this;
}
public function addConfigDir($config_dir, $key = null)
{
// make sure we're dealing with an array
$this->config_dir = (array) $this->config_dir;
if (is_array($config_dir)) {
foreach ($config_dir as $k => $v) {
$v = preg_replace('#(w+)(/|\\){1,}#', '$1$2', rtrim($v, '/\')) . DS;
if (is_int($k)) {
// indexes are not merged but appended
$this->config_dir[] = $v;
} else {
// string indexes are overridden
$this->config_dir[$k] = $v;
}
}
} else {
$v = preg_replace('#(w+)(/|\\){1,}#', '$1$2', rtrim($config_dir, '/\')) . DS;
if ($key !== null) {
// override directory at specified index
$this->config_dir[$key] = rtrim($v, '/\') . DS;
} else {
// append new directory
$this->config_dir[] = rtrim($v, '/\') . DS;
}
}
$this->joined_config_dir = join(DIRECTORY_SEPARATOR, $this->config_dir);
return $this;
}
public function getConfigDir($index = null)
{
if ($index !== null) {
return isset($this->config_dir[$index]) ? $this->config_dir[$index] : null;
}
return (array) $this->config_dir;
}
public function setPluginsDir($plugins_dir)
{
$this->plugins_dir = array();
foreach ((array) $plugins_dir as $k => $v) {
$this->plugins_dir[$k] = rtrim($v, '/\') . DS;
}
return $this;
}
public function addPluginsDir($plugins_dir)
{
// make sure we're dealing with an array
$this->plugins_dir = (array) $this->plugins_dir;
if (is_array($plugins_dir)) {
foreach ($plugins_dir as $k => $v) {
if (is_int($k)) {
// indexes are not merged but appended
$this->plugins_dir[] = rtrim($v, '/\') . DS;
} else {
// string indexes are overridden
$this->plugins_dir[$k] = rtrim($v, '/\') . DS;
}
}
} else {
// append new directory
$this->plugins_dir[] = rtrim($plugins_dir, '/\') . DS;
}
$this->plugins_dir = array_unique($this->plugins_dir);
return $this;
}
public function getPluginsDir()
{
return (array) $this->plugins_dir;
}
public function setCompileDir($compile_dir)
{
$this->compile_dir = rtrim($compile_dir, '/\') . DS;
if (!isset(Smarty::$_muted_directories[$this->compile_dir])) {
Smarty::$_muted_directories[$this->compile_dir] = null;
}
return $this;
}
public function getCompileDir()
{
return $this->compile_dir;
}
public function setCacheDir($cache_dir)
{
$this->cache_dir = rtrim($cache_dir, '/\') . DS;
if (!isset(Smarty::$_muted_directories[$this->cache_dir])) {
Smarty::$_muted_directories[$this->cache_dir] = null;
}
return $this;
}
public function getCacheDir()
{
return $this->cache_dir;
}
public function setDefaultModifiers($modifiers)
{
$this->default_modifiers = (array) $modifiers;
return $this;
}
public function addDefaultModifiers($modifiers)
{
if (is_array($modifiers)) {
$this->default_modifiers = array_merge($this->default_modifiers, $modifiers);
} else {
$this->default_modifiers[] = $modifiers;
}
return $this;
}
public function getDefaultModifiers()
{
return $this->default_modifiers;
}
public function setAutoloadFilters($filters, $type = null)
{
if ($type !== null) {
$this->autoload_filters[$type] = (array) $filters;
} else {
$this->autoload_filters = (array) $filters;
}
return $this;
}
public function addAutoloadFilters($filters, $type = null)
{
if ($type !== null) {
if (!empty($this->autoload_filters[$type])) {
$this->autoload_filters[$type] = array_merge($this->autoload_filters[$type], (array) $filters);
} else {
$this->autoload_filters[$type] = (array) $filters;
}
} else {
foreach ((array) $filters as $key => $value) {
if (!empty($this->autoload_filters[$key])) {
$this->autoload_filters[$key] = array_merge($this->autoload_filters[$key], (array) $value);
} else {
$this->autoload_filters[$key] = (array) $value;
}
}
}
return $this;
}
public function getAutoloadFilters($type = null)
{
if ($type !== null) {
return isset($this->autoload_filters[$type]) ? $this->autoload_filters[$type] : array();
}
return $this->autoload_filters;
}
public function getDebugTemplate()
{
return $this->debug_tpl;
}
public function setDebugTemplate($tpl_name)
{
if (!is_readable($tpl_name)) {
throw new SmartyException("Unknown file '{$tpl_name}'");
}
$this->debug_tpl = $tpl_name;
return $this;
}
public function createTemplate($template, $cache_id = null, $compile_id = null, $parent = null, $do_clone = true)
{
if ($cache_id !== null && (is_object($cache_id) || is_array($cache_id))) {
$parent = $cache_id;
$cache_id = null;
}
if ($parent !== null && is_array($parent)) {
$data = $parent;
$parent = null;
} else {
$data = null;
}
// default to cache_id and compile_id of Smarty object
$cache_id = $cache_id === null ? $this->cache_id : $cache_id;
$compile_id = $compile_id === null ? $this->compile_id : $compile_id;
// already in template cache?
if ($this->allow_ambiguous_resources) {
$_templateId = Smarty_Resource::getUniqueTemplateName($this, $template) . $cache_id . $compile_id;
} else {
$_templateId = $this->joined_template_dir . '#' . $template . $cache_id . $compile_id;
}
if (isset($_templateId[150])) {
$_templateId = sha1($_templateId);
}
if ($do_clone) {
if (isset($this->template_objects[$_templateId])) {
// return cached template object
$tpl = clone $this->template_objects[$_templateId];
$tpl->smarty = clone $tpl->smarty;
$tpl->parent = $parent;
$tpl->tpl_vars = array();
$tpl->config_vars = array();
} else {
$tpl = new $this->template_class($template, clone $this, $parent, $cache_id, $compile_id);
}
} else {
if (isset($this->template_objects[$_templateId])) {
// return cached template object
$tpl = $this->template_objects[$_templateId];
$tpl->parent = $parent;
$tpl->tpl_vars = array();
$tpl->config_vars = array();
} else {
$tpl = new $this->template_class($template, $this, $parent, $cache_id, $compile_id);
}
}
// fill data if present
if (!empty($data) && is_array($data)) {
// set up variable values
foreach ($data as $_key => $_val) {
$tpl->tpl_vars[$_key] = new Smarty_variable($_val);
}
}
return $tpl;
}
public function loadPlugin($plugin_name, $check = true)
{
// if function or class exists, exit silently (already loaded)
if ($check && (is_callable($plugin_name) || class_exists($plugin_name, false))) {
return true;
}
// Plugin name is expected to be: Smarty_[Type]_[Name]
$_name_parts = explode('_', $plugin_name, 3);
// class name must have three parts to be valid plugin
// count($_name_parts) < 3 === !isset($_name_parts[2])
if (!isset($_name_parts[2]) || strtolower($_name_parts[0]) !== 'smarty') {
throw new SmartyException("plugin {$plugin_name} is not a valid name format");
}
// if type is "internal", get plugin from sysplugins
if (strtolower($_name_parts[1]) == 'internal') {
$file = SMARTY_SYSPLUGINS_DIR . strtolower($plugin_name) . '.php';
if (file_exists($file)) {
require_once($file);
return $file;
} else {
return false;
}
}
// plugin filename is expected to be: [type].[name].php
$_plugin_filename = "{$_name_parts[1]}.{$_name_parts[2]}.php";
$_stream_resolve_include_path = function_exists('stream_resolve_include_path');
// loop through plugin dirs and find the plugin
foreach ($this->getPluginsDir() as $_plugin_dir) {
$names = array(
$_plugin_dir . $_plugin_filename,
$_plugin_dir . strtolower($_plugin_filename),
);
foreach ($names as $file) {
if (file_exists($file)) {
require_once($file);
return $file;
}
if ($this->use_include_path && !preg_match('/^([/\\]|[a-zA-Z]:[/\\])/', $_plugin_dir)) {
// try PHP include_path
if ($_stream_resolve_include_path) {
$file = stream_resolve_include_path($file);
} else {
$file = Smarty_Internal_Get_Include_Path::getIncludePath($file);
}
if ($file !== false) {
require_once($file);
return $file;
}
}
}
}
// no plugin loaded
return false;
}
public function compileAllTemplates($extension = '.tpl', $force_compile = false, $time_limit = 0, $max_errors = null)
{
return Smarty_Internal_Utility::compileAllTemplates($extension, $force_compile, $time_limit, $max_errors, $this);
}
public function compileAllConfig($extension = '.conf', $force_compile = false, $time_limit = 0, $max_errors = null)
{
return Smarty_Internal_Utility::compileAllConfig($extension, $force_compile, $time_limit, $max_errors, $this);
}
public function clearCompiledTemplate($resource_name = null, $compile_id = null, $exp_time = null)
{
return Smarty_Internal_Utility::clearCompiledTemplate($resource_name, $compile_id, $exp_time, $this);
}
public function getTags(Smarty_Internal_Template $template)
{
return Smarty_Internal_Utility::getTags($template);
}
public function testInstall(&$errors = null)
{
return Smarty_Internal_Utility::testInstall($this, $errors);
}
public static function mutingErrorHandler($errno, $errstr, $errfile, $errline, $errcontext)
{
$_is_muted_directory = false;
// add the SMARTY_DIR to the list of muted directories
if (!isset(Smarty::$_muted_directories[SMARTY_DIR])) {
$smarty_dir = realpath(SMARTY_DIR);
if ($smarty_dir !== false) {
Smarty::$_muted_directories[SMARTY_DIR] = array(
'file' => $smarty_dir,
'length' => strlen($smarty_dir),
);
}
}
// walk the muted directories and test against $errfile
foreach (Smarty::$_muted_directories as $key => &$dir) {
if (!$dir) {
// resolve directory and length for speedy comparisons
$file = realpath($key);
if ($file === false) {
// this directory does not exist, remove and skip it
unset(Smarty::$_muted_directories[$key]);
continue;
}
$dir = array(
'file' => $file,
'length' => strlen($file),
);
}
if (!strncmp($errfile, $dir['file'], $dir['length'])) {
$_is_muted_directory = true;
break;
}
}
// pass to next error handler if this error did not occur inside SMARTY_DIR
// or the error was within smarty but masked to be ignored
if (!$_is_muted_directory || ($errno && $errno & error_reporting())) {
if (Smarty::$_previous_error_handler) {
return call_user_func(Smarty::$_previous_error_handler, $errno, $errstr, $errfile, $errline, $errcontext);
} else {
return false;
}
}
}
public static function muteExpectedErrors()
{
$error_handler = array('Smarty', 'mutingErrorHandler');
$previous = set_error_handler($error_handler);
// avoid dead loops
if ($previous !== $error_handler) {
Smarty::$_previous_error_handler = $previous;
}
}
public static function unmuteExpectedErrors()
{
restore_error_handler();
}
}
// Check if we're running on windows
Smarty::$_IS_WINDOWS = strtoupper(substr(PHP_OS, 0, 3)) === 'WIN';
// let PCRE (preg_*) treat strings as ISO-8859-1 if we're not dealing with UTF-8
if (Smarty::$_CHARSET !== 'UTF-8') {
Smarty::$_UTF8_MODIFIER = '';
}
class SmartyException extends Exception
{
public static $escape = false;
public function __toString()
{
return ' --> Smarty: ' . (self::$escape ? htmlentities($this->message) : $this->message) . ' <-- ';
}
}
class SmartyCompilerException extends SmartyException
{
public function __toString()
{
return ' --> Smarty Compiler: ' . $this->message . ' <-- ';
}
public $line = null;
public $source = null;
public $desc = null;
public $template = null;
}
function smartyAutoload($class)
{
$_class = strtolower($class);
static $_classes = array(
'smarty_config_source' => true,
'smarty_config_compiled'=> true,
'smarty_security' => true,
'smarty_cacheresource' => true,
'smarty_cacheresource_custom' => true,
'smarty_cacheresource_keyvaluestore' => true,
'smarty_resource' => true,
'smarty_resource_custom'=> true,
'smarty_resource_uncompiled' => true,
'smarty_resource_recompiled' => true,
);
if (!strncmp($_class, 'smarty_internal_', 16) || isset($_classes[$_class])) {
include SMARTY_SYSPLUGINS_DIR . $_class . '.php';
}
}
print tags as plain text
const PHP_QUOTE = 1; //-> escape tags as entities
const PHP_REMOVE = 2; //-> escape tags as entities
const PHP_ALLOW = 3; //-> escape tags as entities
const FILTER_POST = 'post';
const FILTER_PRE = 'pre';
const FILTER_OUTPUT = 'output';
const FILTER_VARIABLE = 'variable';
const PLUGIN_FUNCTION = 'function';
const PLUGIN_BLOCK = 'block';
const PLUGIN_COMPILER = 'compiler';
const PLUGIN_MODIFIER = 'modifier';
const PLUGIN_MODIFIERCOMPILER = 'modifiercompiler';
public static $global_tpl_vars = array();
public static $_previous_error_handler = null;
public static $_muted_directories = array();
public static $_MBSTRING = SMARTY_MBSTRING;
public static $_CHARSET = SMARTY_RESOURCE_CHAR_SET;
public static $_DATE_FORMAT = SMARTY_RESOURCE_DATE_FORMAT;
public static $_UTF8_MODIFIER = 'u';
public static $_IS_WINDOWS = false;
public $auto_literal = true;
public $error_unassigned = false;
public $use_include_path = false;
private $template_dir = array();
public $joined_template_dir = null;
public $joined_config_dir = null;
public $default_template_handler_func = null;
public $default_config_handler_func = null;
public $default_plugin_handler_func = null;
private $compile_dir = null;
private $plugins_dir = array();
private $cache_dir = null;
private $config_dir = array();
public $force_compile = false;
public $compile_check = true;
public $use_sub_dirs = false;
public $allow_ambiguous_resources = false;
public $caching = false;
public $merge_compiled_includes = false;
public $inheritance_merge_compiled_includes = true;
public $cache_lifetime = 3600;
public $force_cache = false;
public $cache_id = null;
public $compile_id = null;
public $left_delimiter = "{";
public $right_delimiter = "}";
public $security_class = 'Smarty_Security';
public $security_policy = null;
public $php_handling = self::PHP_PASSTHRU;
public $allow_php_templates = false;
public $direct_access_security = true;
public $debugging = false;
public $debugging_ctrl = 'NONE';
public $smarty_debug_id = 'SMARTY_DEBUG';
public $debug_tpl = null;
public $error_reporting = null;
public $get_used_tags = false;
public $config_overwrite = true;
public $config_booleanize = true;
public $config_read_hidden = false;
public $compile_locking = true;
public $cache_locking = false;
public $locking_timeout = 10;
public $template_functions = array();
public $default_resource_type = 'file';
public $caching_type = 'file';
public $properties = array();
public $default_config_type = 'file';
public $template_objects = array();
public $cache_modified_check = false;
public $registered_plugins = array();
public $plugin_search_order = array('function', 'block', 'compiler', 'class');
public $registered_objects = array();
public $registered_classes = array();
public $registered_filters = array();
public $registered_resources = array();
public $_resource_handlers = array();
public $registered_cache_resources = array();
public $_cacheresource_handlers = array();
public $autoload_filters = array();
public $default_modifiers = array();
public $escape_html = false;
public static $_smarty_vars = array();
public $start_time = 0;
public $_file_perms = 0644;
public $_dir_perms = 0771;
public $_tag_stack = array();
public $smarty;
public $_current_file = null;
public $_parserdebug = false;
public $merged_templates_func = array();
public function __construct()
{
// selfpointer needed by some other class methods
$this->smarty = $this;
if (is_callable('mb_internal_encoding')) {
mb_internal_encoding(Smarty::$_CHARSET);
}
$this->start_time = microtime(true);
// set default dirs
$this->setTemplateDir('.' . DS . 'templates' . DS)
->setCompileDir('.' . DS . 'templates_c' . DS)
->setPluginsDir(SMARTY_PLUGINS_DIR)
->setCacheDir('.' . DS . 'cache' . DS)
->setConfigDir('.' . DS . 'configs' . DS);
$this->debug_tpl = 'file:' . dirname(__FILE__) . '/debug.tpl';
if (isset($_SERVER['script_NAME'])) {
$this->assignGlobal('script_NAME', $_SERVER['script_NAME']);
}
}
public function __destruct()
{
// intentionally left blank
}
public function __clone()
{
$this->smarty = $this;
}
public function __get($name)
{
$allowed = array(
'template_dir' => 'getTemplateDir',
'config_dir' => 'getConfigDir',
'plugins_dir' => 'getPluginsDir',
'compile_dir' => 'getCompileDir',
'cache_dir' => 'getCacheDir',
);
if (isset($allowed[$name])) {
return $this->{$allowed[$name]}();
} else {
trigger_error('Undefined property: ' . get_class($this) . '::$' . $name, E_USER_NOTICE);
}
}
public function __set($name, $value)
{
$allowed = array(
'template_dir' => 'setTemplateDir',
'config_dir' => 'setConfigDir',
'plugins_dir' => 'setPluginsDir',
'compile_dir' => 'setCompileDir',
'cache_dir' => 'setCacheDir',
);
if (isset($allowed[$name])) {
$this->{$allowed[$name]}($value);
} else {
trigger_error('Undefined property: ' . get_class($this) . '::$' . $name, E_USER_NOTICE);
}
}
public function templateExists($resource_name)
{
// create template object
$save = $this->template_objects;
$tpl = new $this->template_class($resource_name, $this);
// check if it does exists
$result = $tpl->source->exists;
$this->template_objects = $save;
return $result;
}
public function getGlobal($varname = null)
{
if (isset($varname)) {
if (isset(self::$global_tpl_vars[$varname])) {
return self::$global_tpl_vars[$varname]->value;
} else {
return '';
}
} else {
$_result = array();
foreach (self::$global_tpl_vars AS $key => $var) {
$_result[$key] = $var->value;
}
return $_result;
}
}
public function clearAllCache($exp_time = null, $type = null)
{
// load cache resource and call clearAll
$_cache_resource = Smarty_CacheResource::load($this, $type);
Smarty_CacheResource::invalidLoadedCache($this);
return $_cache_resource->clearAll($this, $exp_time);
}
public function clearCache($template_name, $cache_id = null, $compile_id = null, $exp_time = null, $type = null)
{
// load cache resource and call clear
$_cache_resource = Smarty_CacheResource::load($this, $type);
Smarty_CacheResource::invalidLoadedCache($this);
return $_cache_resource->clear($this, $template_name, $cache_id, $compile_id, $exp_time);
}
public function enableSecurity($security_class = null)
{
if ($security_class instanceof Smarty_Security) {
$this->security_policy = $security_class;
return $this;
} elseif (is_object($security_class)) {
throw new SmartyException("Class '" . get_class($security_class) . "' must extend Smarty_Security.");
}
if ($security_class == null) {
$security_class = $this->security_class;
}
if (!class_exists($security_class)) {
throw new SmartyException("Security class '$security_class' is not defined");
} elseif ($security_class !== 'Smarty_Security' && !is_subclass_of($security_class, 'Smarty_Security')) {
throw new SmartyException("Class '$security_class' must extend Smarty_Security.");
} else {
$this->security_policy = new $security_class($this);
}
return $this;
}
public function disableSecurity()
{
$this->security_policy = null;
return $this;
}
public function setTemplateDir($template_dir)
{
$this->template_dir = array();
foreach ((array) $template_dir as $k => $v) {
$this->template_dir[$k] = preg_replace('#(w+)(/|\\){1,}#', '$1$2', rtrim($v, '/\')) . DS;
}
$this->joined_template_dir = join(DIRECTORY_SEPARATOR, $this->template_dir);
return $this;
}
public function addTemplateDir($template_dir, $key = null)
{
// make sure we're dealing with an array
$this->template_dir = (array) $this->template_dir;
if (is_array($template_dir)) {
foreach ($template_dir as $k => $v) {
$v = preg_replace('#(w+)(/|\\){1,}#', '$1$2', rtrim($v, '/\')) . DS;
if (is_int($k)) {
// indexes are not merged but appended
$this->template_dir[] = $v;
} else {
// string indexes are overridden
$this->template_dir[$k] = $v;
}
}
} else {
$v = preg_replace('#(w+)(/|\\){1,}#', '$1$2', rtrim($template_dir, '/\')) . DS;
if ($key !== null) {
// override directory at specified index
$this->template_dir[$key] = $v;
} else {
// append new directory
$this->template_dir[] = $v;
}
}
$this->joined_template_dir = join(DIRECTORY_SEPARATOR, $this->template_dir);
return $this;
}
public function getTemplateDir($index = null)
{
if ($index !== null) {
return isset($this->template_dir[$index]) ? $this->template_dir[$index] : null;
}
return (array) $this->template_dir;
}
public function setConfigDir($config_dir)
{
$this->config_dir = array();
foreach ((array) $config_dir as $k => $v) {
$this->config_dir[$k] = preg_replace('#(w+)(/|\\){1,}#', '$1$2', rtrim($v, '/\')) . DS;
}
$this->joined_config_dir = join(DIRECTORY_SEPARATOR, $this->config_dir);
return $this;
}
public function addConfigDir($config_dir, $key = null)
{
// make sure we're dealing with an array
$this->config_dir = (array) $this->config_dir;
if (is_array($config_dir)) {
foreach ($config_dir as $k => $v) {
$v = preg_replace('#(w+)(/|\\){1,}#', '$1$2', rtrim($v, '/\')) . DS;
if (is_int($k)) {
// indexes are not merged but appended
$this->config_dir[] = $v;
} else {
// string indexes are overridden
$this->config_dir[$k] = $v;
}
}
} else {
$v = preg_replace('#(w+)(/|\\){1,}#', '$1$2', rtrim($config_dir, '/\')) . DS;
if ($key !== null) {
// override directory at specified index
$this->config_dir[$key] = rtrim($v, '/\') . DS;
} else {
// append new directory
$this->config_dir[] = rtrim($v, '/\') . DS;
}
}
$this->joined_config_dir = join(DIRECTORY_SEPARATOR, $this->config_dir);
return $this;
}
public function getConfigDir($index = null)
{
if ($index !== null) {
return isset($this->config_dir[$index]) ? $this->config_dir[$index] : null;
}
return (array) $this->config_dir;
}
public function setPluginsDir($plugins_dir)
{
$this->plugins_dir = array();
foreach ((array) $plugins_dir as $k => $v) {
$this->plugins_dir[$k] = rtrim($v, '/\') . DS;
}
return $this;
}
public function addPluginsDir($plugins_dir)
{
// make sure we're dealing with an array
$this->plugins_dir = (array) $this->plugins_dir;
if (is_array($plugins_dir)) {
foreach ($plugins_dir as $k => $v) {
if (is_int($k)) {
// indexes are not merged but appended
$this->plugins_dir[] = rtrim($v, '/\') . DS;
} else {
// string indexes are overridden
$this->plugins_dir[$k] = rtrim($v, '/\') . DS;
}
}
} else {
// append new directory
$this->plugins_dir[] = rtrim($plugins_dir, '/\') . DS;
}
$this->plugins_dir = array_unique($this->plugins_dir);
return $this;
}
public function getPluginsDir()
{
return (array) $this->plugins_dir;
}
public function setCompileDir($compile_dir)
{
$this->compile_dir = rtrim($compile_dir, '/\') . DS;
if (!isset(Smarty::$_muted_directories[$this->compile_dir])) {
Smarty::$_muted_directories[$this->compile_dir] = null;
}
return $this;
}
public function getCompileDir()
{
return $this->compile_dir;
}
public function setCacheDir($cache_dir)
{
$this->cache_dir = rtrim($cache_dir, '/\') . DS;
if (!isset(Smarty::$_muted_directories[$this->cache_dir])) {
Smarty::$_muted_directories[$this->cache_dir] = null;
}
return $this;
}
public function getCacheDir()
{
return $this->cache_dir;
}
public function setDefaultModifiers($modifiers)
{
$this->default_modifiers = (array) $modifiers;
return $this;
}
public function addDefaultModifiers($modifiers)
{
if (is_array($modifiers)) {
$this->default_modifiers = array_merge($this->default_modifiers, $modifiers);
} else {
$this->default_modifiers[] = $modifiers;
}
return $this;
}
public function getDefaultModifiers()
{
return $this->default_modifiers;
}
public function setAutoloadFilters($filters, $type = null)
{
if ($type !== null) {
$this->autoload_filters[$type] = (array) $filters;
} else {
$this->autoload_filters = (array) $filters;
}
return $this;
}
public function addAutoloadFilters($filters, $type = null)
{
if ($type !== null) {
if (!empty($this->autoload_filters[$type])) {
$this->autoload_filters[$type] = array_merge($this->autoload_filters[$type], (array) $filters);
} else {
$this->autoload_filters[$type] = (array) $filters;
}
} else {
foreach ((array) $filters as $key => $value) {
if (!empty($this->autoload_filters[$key])) {
$this->autoload_filters[$key] = array_merge($this->autoload_filters[$key], (array) $value);
} else {
$this->autoload_filters[$key] = (array) $value;
}
}
}
return $this;
}
public function getAutoloadFilters($type = null)
{
if ($type !== null) {
return isset($this->autoload_filters[$type]) ? $this->autoload_filters[$type] : array();
}
return $this->autoload_filters;
}
public function getDebugTemplate()
{
return $this->debug_tpl;
}
public function setDebugTemplate($tpl_name)
{
if (!is_readable($tpl_name)) {
throw new SmartyException("Unknown file '{$tpl_name}'");
}
$this->debug_tpl = $tpl_name;
return $this;
}
public function createTemplate($template, $cache_id = null, $compile_id = null, $parent = null, $do_clone = true)
{
if ($cache_id !== null && (is_object($cache_id) || is_array($cache_id))) {
$parent = $cache_id;
$cache_id = null;
}
if ($parent !== null && is_array($parent)) {
$data = $parent;
$parent = null;
} else {
$data = null;
}
// default to cache_id and compile_id of Smarty object
$cache_id = $cache_id === null ? $this->cache_id : $cache_id;
$compile_id = $compile_id === null ? $this->compile_id : $compile_id;
// already in template cache?
if ($this->allow_ambiguous_resources) {
$_templateId = Smarty_Resource::getUniqueTemplateName($this, $template) . $cache_id . $compile_id;
} else {
$_templateId = $this->joined_template_dir . '#' . $template . $cache_id . $compile_id;
}
if (isset($_templateId[150])) {
$_templateId = sha1($_templateId);
}
if ($do_clone) {
if (isset($this->template_objects[$_templateId])) {
// return cached template object
$tpl = clone $this->template_objects[$_templateId];
$tpl->smarty = clone $tpl->smarty;
$tpl->parent = $parent;
$tpl->tpl_vars = array();
$tpl->config_vars = array();
} else {
$tpl = new $this->template_class($template, clone $this, $parent, $cache_id, $compile_id);
}
} else {
if (isset($this->template_objects[$_templateId])) {
// return cached template object
$tpl = $this->template_objects[$_templateId];
$tpl->parent = $parent;
$tpl->tpl_vars = array();
$tpl->config_vars = array();
} else {
$tpl = new $this->template_class($template, $this, $parent, $cache_id, $compile_id);
}
}
// fill data if present
if (!empty($data) && is_array($data)) {
// set up variable values
foreach ($data as $_key => $_val) {
$tpl->tpl_vars[$_key] = new Smarty_variable($_val);
}
}
return $tpl;
}
public function loadPlugin($plugin_name, $check = true)
{
// if function or class exists, exit silently (already loaded)
if ($check && (is_callable($plugin_name) || class_exists($plugin_name, false))) {
return true;
}
// Plugin name is expected to be: Smarty_[Type]_[Name]
$_name_parts = explode('_', $plugin_name, 3);
// class name must have three parts to be valid plugin
// count($_name_parts) < 3 === !isset($_name_parts[2])
if (!isset($_name_parts[2]) || strtolower($_name_parts[0]) !== 'smarty') {
throw new SmartyException("plugin {$plugin_name} is not a valid name format");
}
// if type is "internal", get plugin from sysplugins
if (strtolower($_name_parts[1]) == 'internal') {
$file = SMARTY_SYSPLUGINS_DIR . strtolower($plugin_name) . '.php';
if (file_exists($file)) {
require_once($file);
return $file;
} else {
return false;
}
}
// plugin filename is expected to be: [type].[name].php
$_plugin_filename = "{$_name_parts[1]}.{$_name_parts[2]}.php";
$_stream_resolve_include_path = function_exists('stream_resolve_include_path');
// loop through plugin dirs and find the plugin
foreach ($this->getPluginsDir() as $_plugin_dir) {
$names = array(
$_plugin_dir . $_plugin_filename,
$_plugin_dir . strtolower($_plugin_filename),
);
foreach ($names as $file) {
if (file_exists($file)) {
require_once($file);
return $file;
}
if ($this->use_include_path && !preg_match('/^([/\\]|[a-zA-Z]:[/\\])/', $_plugin_dir)) {
// try PHP include_path
if ($_stream_resolve_include_path) {
$file = stream_resolve_include_path($file);
} else {
$file = Smarty_Internal_Get_Include_Path::getIncludePath($file);
}
if ($file !== false) {
require_once($file);
return $file;
}
}
}
}
// no plugin loaded
return false;
}
public function compileAllTemplates($extension = '.tpl', $force_compile = false, $time_limit = 0, $max_errors = null)
{
return Smarty_Internal_Utility::compileAllTemplates($extension, $force_compile, $time_limit, $max_errors, $this);
}
public function compileAllConfig($extension = '.conf', $force_compile = false, $time_limit = 0, $max_errors = null)
{
return Smarty_Internal_Utility::compileAllConfig($extension, $force_compile, $time_limit, $max_errors, $this);
}
public function clearCompiledTemplate($resource_name = null, $compile_id = null, $exp_time = null)
{
return Smarty_Internal_Utility::clearCompiledTemplate($resource_name, $compile_id, $exp_time, $this);
}
public function getTags(Smarty_Internal_Template $template)
{
return Smarty_Internal_Utility::getTags($template);
}
public function testInstall(&$errors = null)
{
return Smarty_Internal_Utility::testInstall($this, $errors);
}
public static function mutingErrorHandler($errno, $errstr, $errfile, $errline, $errcontext)
{
$_is_muted_directory = false;
// add the SMARTY_DIR to the list of muted directories
if (!isset(Smarty::$_muted_directories[SMARTY_DIR])) {
$smarty_dir = realpath(SMARTY_DIR);
if ($smarty_dir !== false) {
Smarty::$_muted_directories[SMARTY_DIR] = array(
'file' => $smarty_dir,
'length' => strlen($smarty_dir),
);
}
}
// walk the muted directories and test against $errfile
foreach (Smarty::$_muted_directories as $key => &$dir) {
if (!$dir) {
// resolve directory and length for speedy comparisons
$file = realpath($key);
if ($file === false) {
// this directory does not exist, remove and skip it
unset(Smarty::$_muted_directories[$key]);
continue;
}
$dir = array(
'file' => $file,
'length' => strlen($file),
);
}
if (!strncmp($errfile, $dir['file'], $dir['length'])) {
$_is_muted_directory = true;
break;
}
}
// pass to next error handler if this error did not occur inside SMARTY_DIR
// or the error was within smarty but masked to be ignored
if (!$_is_muted_directory || ($errno && $errno & error_reporting())) {
if (Smarty::$_previous_error_handler) {
return call_user_func(Smarty::$_previous_error_handler, $errno, $errstr, $errfile, $errline, $errcontext);
} else {
return false;
}
}
}
public static function muteExpectedErrors()
{
$error_handler = array('Smarty', 'mutingErrorHandler');
$previous = set_error_handler($error_handler);
// avoid dead loops
if ($previous !== $error_handler) {
Smarty::$_previous_error_handler = $previous;
}
}
public static function unmuteExpectedErrors()
{
restore_error_handler();
}
}
// Check if we're running on windows
Smarty::$_IS_WINDOWS = strtoupper(substr(PHP_OS, 0, 3)) === 'WIN';
// let PCRE (preg_*) treat strings as ISO-8859-1 if we're not dealing with UTF-8
if (Smarty::$_CHARSET !== 'UTF-8') {
Smarty::$_UTF8_MODIFIER = '';
}
class SmartyException extends Exception
{
public static $escape = false;
public function __toString()
{
return ' --> Smarty: ' . (self::$escape ? htmlentities($this->message) : $this->message) . ' <-- ';
}
}
class SmartyCompilerException extends SmartyException
{
public function __toString()
{
return ' --> Smarty Compiler: ' . $this->message . ' <-- ';
}
public $line = null;
public $source = null;
public $desc = null;
public $template = null;
}
function smartyAutoload($class)
{
$_class = strtolower($class);
static $_classes = array(
'smarty_config_source' => true,
'smarty_config_compiled'=> true,
'smarty_security' => true,
'smarty_cacheresource' => true,
'smarty_cacheresource_custom' => true,
'smarty_cacheresource_keyvaluestore' => true,
'smarty_resource' => true,
'smarty_resource_custom'=> true,
'smarty_resource_uncompiled' => true,
'smarty_resource_recompiled' => true,
);
if (!strncmp($_class, 'smarty_internal_', 16) || isset($_classes[$_class])) {
include SMARTY_SYSPLUGINS_DIR . $_class . '.php';
}
}
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希望本文所述对大家基于smarty模板的PHP程序设计有所帮助。
