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<?php |
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/* |
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* Copyright (C) 2015 Michael Herold <[email protected]> |
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* |
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* This program is free software: you can redistribute it and/or modify |
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* it under the terms of the GNU General Public License as published by |
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* the Free Software Foundation, either version 3 of the License, or |
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* (at your option) any later version. |
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* |
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* This program is distributed in the hope that it will be useful, |
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* but WITHOUT ANY WARRANTY; without even the implied warranty of |
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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* GNU General Public License for more details. |
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* |
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* You should have received a copy of the GNU General Public License |
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* along with this program. If not, see <http://www.gnu.org/licenses/>. |
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*/ |
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namespace hemio\html; |
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/** |
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* Description of IteratorTest |
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* |
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* @author Michael Herold <[email protected]> |
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*/ |
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class IteratorTest extends \Helpers |
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{ |
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public function testRecursiveIterator() |
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{ |
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$doc = $this->getExample(); |
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$this->assertCount(13, $doc->getRecursiveIterator()); |
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} |
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public function testRecursiveIteratorFiltered() |
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{ |
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$doc = $this->getExample(); |
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$select = function (Interface_\HtmlCode $child) { |
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return $child instanceof \hemio\html\Div; |
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}; |
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foreach ($doc->getRecursiveIterator($select) as $child) |
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$this->assertInstanceOf('\hemio\html\Div', $child); |
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$this->assertCount(3, $doc->getRecursiveIterator($select)); |
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} |
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public function getExample() |
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{ |
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$doc = new Document(new Str('Title')); |
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$doc->getHtml() |
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->addChild(new Header()) |
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->addChild(new Div()); |
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$doc->getHtml() |
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->addChild(new Div()) |
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->addChild(new Section()) |
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->addChild(new Article()) |
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->addChild(new Div()); |
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return $doc; |
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} |
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} |
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qua-bla /
html
Loading history...
Let’s take a look at an example:
In the above example, the authenticate() method works fine as long as you just pass instances of MyUser. However, if you now also want to pass a different implementation of User which does not have a getDisplayName() method, the code will break.
Available Fixes
Change the type-hint for the parameter:
Add an additional type-check:
Add the method to the interface: