272 lines
8.5 KiB
PHP
272 lines
8.5 KiB
PHP
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<?php
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/**
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* SimplePie
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*
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* A PHP-Based RSS and Atom Feed Framework.
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* Takes the hard work out of managing a complete RSS/Atom solution.
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*
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* Copyright (c) 2004-2022, Ryan Parman, Sam Sneddon, Ryan McCue, and contributors
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without modification, are
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* permitted provided that the following conditions are met:
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*
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* * Redistributions of source code must retain the above copyright notice, this list of
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* conditions and the following disclaimer.
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*
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* * Redistributions in binary form must reproduce the above copyright notice, this list
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* of conditions and the following disclaimer in the documentation and/or other materials
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* provided with the distribution.
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*
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* * Neither the name of the SimplePie Team nor the names of its contributors may be used
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* to endorse or promote products derived from this software without specific prior
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* written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS
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* OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY
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* AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDERS
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* AND CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
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* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
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* OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*
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* @package SimplePie
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* @copyright 2004-2016 Ryan Parman, Sam Sneddon, Ryan McCue
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* @author Ryan Parman
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* @author Sam Sneddon
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* @author Ryan McCue
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* @link http://simplepie.org/ SimplePie
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* @license http://www.opensource.org/licenses/bsd-license.php BSD License
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*/
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namespace SimplePie;
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use SimplePie\Content\Type\Sniffer;
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use SimplePie\Parse\Date;
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use SimplePie\XML\Declaration\Parser as DeclarationParser;
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/**
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* Handles creating objects and calling methods
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*
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* Access this via {@see \SimplePie\SimplePie::get_registry()}
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*
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* @package SimplePie
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*/
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class Registry
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{
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/**
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* Default class mapping
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*
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* Overriding classes *must* subclass these.
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*
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* @var array<class-string, class-string>
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*/
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protected $default = [
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Cache::class => Cache::class,
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Locator::class => Locator::class,
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Parser::class => Parser::class,
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File::class => File::class,
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Sanitize::class => Sanitize::class,
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Item::class => Item::class,
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Author::class => Author::class,
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Category::class => Category::class,
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Enclosure::class => Enclosure::class,
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Caption::class => Caption::class,
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Copyright::class => Copyright::class,
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Credit::class => Credit::class,
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Rating::class => Rating::class,
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Restriction::class => Restriction::class,
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Sniffer::class => Sniffer::class,
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Source::class => Source::class,
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Misc::class => Misc::class,
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DeclarationParser::class => DeclarationParser::class,
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Date::class => Date::class,
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];
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/**
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* Class mapping
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*
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* @see register()
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* @var array
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*/
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protected $classes = [];
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/**
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* Legacy classes
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*
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* @see register()
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* @var array<class-string>
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*/
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protected $legacy = [];
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/**
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* Legacy types
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*
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* @see register()
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* @var array<string, class-string>
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*/
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private $legacyTypes = [
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'Cache' => Cache::class,
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'Locator' => Locator::class,
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'Parser' => Parser::class,
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'File' => File::class,
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'Sanitize' => Sanitize::class,
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'Item' => Item::class,
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'Author' => Author::class,
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'Category' => Category::class,
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'Enclosure' => Enclosure::class,
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'Caption' => Caption::class,
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'Copyright' => Copyright::class,
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'Credit' => Credit::class,
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'Rating' => Rating::class,
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'Restriction' => Restriction::class,
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'Content_Type_Sniffer' => Sniffer::class,
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'Source' => Source::class,
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'Misc' => Misc::class,
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'XML_Declaration_Parser' => DeclarationParser::class,
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'Parse_Date' => Date::class,
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];
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/**
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* Constructor
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*
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* No-op
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*/
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public function __construct()
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{
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}
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/**
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* Register a class
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*
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* @param string $type See {@see $default} for names
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* @param class-string $class Class name, must subclass the corresponding default
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* @param bool $legacy Whether to enable legacy support for this class
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* @return bool Successfulness
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*/
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public function register($type, $class, $legacy = false)
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{
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if (array_key_exists($type, $this->legacyTypes)) {
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// trigger_error(sprintf('"%s"(): Using argument #1 ($type) with value "%s" is deprecated since SimplePie 1.8.0, use class-string "%s" instead.', __METHOD__, $type, $this->legacyTypes[$type]), \E_USER_DEPRECATED);
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$type = $this->legacyTypes[$type];
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}
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if (!array_key_exists($type, $this->default)) {
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return false;
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}
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if (!class_exists($class)) {
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return false;
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}
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/** @var string */
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$base_class = $this->default[$type];
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if (!is_subclass_of($class, $base_class)) {
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return false;
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}
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$this->classes[$type] = $class;
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if ($legacy) {
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$this->legacy[] = $class;
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}
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return true;
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}
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/**
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* Get the class registered for a type
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*
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* Where possible, use {@see create()} or {@see call()} instead
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*
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* @template T
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* @param class-string<T> $type
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* @return class-string<T>|null
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*/
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public function get_class($type)
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{
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if (array_key_exists($type, $this->legacyTypes)) {
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// trigger_error(sprintf('"%s"(): Using argument #1 ($type) with value "%s" is deprecated since SimplePie 1.8.0, use class-string "%s" instead.', __METHOD__, $type, $this->legacyTypes[$type]), \E_USER_DEPRECATED);
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$type = $this->legacyTypes[$type];
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}
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if (!array_key_exists($type, $this->default)) {
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return null;
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}
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$class = $this->default[$type];
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if (array_key_exists($type, $this->classes)) {
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$class = $this->classes[$type];
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}
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return $class;
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}
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/**
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* Create a new instance of a given type
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*
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* @template T class-string $type
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* @param class-string<T> $type
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* @param array $parameters Parameters to pass to the constructor
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* @return T Instance of class
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*/
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public function &create($type, $parameters = [])
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{
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$class = $this->get_class($type);
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if (!method_exists($class, '__construct')) {
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$instance = new $class();
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} else {
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$reflector = new \ReflectionClass($class);
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$instance = $reflector->newInstanceArgs($parameters);
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}
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if ($instance instanceof RegistryAware) {
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$instance->set_registry($this);
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} elseif (method_exists($instance, 'set_registry')) {
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trigger_error(sprintf('Using the method "set_registry()" without implementing "%s" is deprecated since SimplePie 1.8.0, implement "%s" in "%s".', RegistryAware::class, RegistryAware::class, $class), \E_USER_DEPRECATED);
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$instance->set_registry($this);
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}
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return $instance;
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}
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/**
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* Call a static method for a type
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*
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* @param class-string $type
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* @param string $method
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* @param array $parameters
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* @return mixed
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*/
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public function &call($type, $method, $parameters = [])
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{
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$class = $this->get_class($type);
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if (in_array($class, $this->legacy)) {
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switch ($type) {
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case Cache::class:
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// For backwards compatibility with old non-static
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// Cache::create() methods in PHP < 8.0.
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// No longer supported as of PHP 8.0.
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if ($method === 'get_handler') {
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$result = @call_user_func_array([$class, 'create'], $parameters);
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return $result;
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}
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break;
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}
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}
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$result = call_user_func_array([$class, $method], $parameters);
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return $result;
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}
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}
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class_alias('SimplePie\Registry', 'SimplePie_Registry');
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