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<?php |
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namespace TYPO3Fluid\Fluid\Core\ViewHelper\Traits; |
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use TYPO3Fluid\Fluid\Core\Compiler\TemplateCompiler; |
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use TYPO3Fluid\Fluid\Core\Compiler\ViewHelperCompiler; |
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use TYPO3Fluid\Fluid\Core\Exception; |
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use TYPO3Fluid\Fluid\Core\Parser\SyntaxTree\ViewHelperNode; |
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/** |
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* Class CompilableWithContentArgumentAndRenderStatic |
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* |
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* Provides default methods for rendering and compiling |
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* any ViewHelper that conforms to the `renderStatic` |
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* method pattern but has the added common use case that |
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* an argument value must be checked and used instead of |
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* the normal render children closure, if that named |
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* argument is specified and not empty. |
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* |
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* @deprecated Trait no longer required, content argument supported by any VH via base class. |
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*/ |
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trait CompileWithContentArgumentAndRenderStatic |
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{ |
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/** |
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* @return string |
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*/ |
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protected function resolveContentArgumentName() |
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{ |
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if (empty($this->contentArgumentName)) { |
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$registeredArguments = call_user_func_array([$this, 'prepareArguments'], []); |
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foreach ($registeredArguments as $registeredArgument) { |
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if (!$registeredArgument->isRequired()) { |
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$this->contentArgumentName = $registeredArgument->getName(); |
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return $this->contentArgumentName; |
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} |
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} |
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throw new Exception( |
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sprintf('Attempting to compile %s failed. Chosen compile method requires that ViewHelper has ' . |
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'at least one registered and optional argument', __CLASS__) |
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); |
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} |
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return $this->contentArgumentName; |
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} |
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} |
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TYPO3 /
Fluid
In PHP it is possible to write to properties without declaring them. For example, the following is perfectly valid PHP code:
Generally, it is a good practice to explictly declare properties to avoid accidental typos and provide IDE auto-completion: