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<?php |
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namespace EWW\Dpf\ViewHelpers\Format; |
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// backport of TYPO3 8.7! |
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/* |
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* This file is part of the TYPO3 CMS project. |
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* |
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* It originated from the Neos.Form package (www.neos.io) |
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* |
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* It is free software; you can redistribute it and/or modify it under |
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* the terms of the GNU General Public License, either version 2 |
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* of the License, or any later version. |
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* |
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* For the full copyright and license information, please read the |
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* LICENSE.txt file that was distributed with this source code. |
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* |
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* The TYPO3 project - inspiring people to share! |
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*/ |
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use TYPO3Fluid\Fluid\Core\ViewHelper\AbstractViewHelper; |
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/** |
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* Wrapper for PHPs json_encode function. |
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* |
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* = Examples = |
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* |
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* <code title="encoding a view variable"> |
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* {someArray -> f:format.json()} |
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* </code> |
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* <output> |
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* ["array","values"] |
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* // depending on the value of {someArray} |
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* </output> |
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* |
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* <code title="associative array"> |
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* {f:format.json(value: {foo: 'bar', bar: 'baz'})} |
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* </code> |
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* <output> |
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* {"foo":"bar","bar":"baz"} |
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* </output> |
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* |
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* <code title="non-associative array with forced object"> |
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* {f:format.json(value: {0: 'bar', 1: 'baz'}, forceObject: true)} |
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* </code> |
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* <output> |
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* {"0":"bar","1":"baz"} |
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* </output> |
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* |
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*/ |
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class JsonViewHelper extends AbstractViewHelper |
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{ |
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public function initializeArguments() |
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{ |
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parent::initializeArguments(); |
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$this->registerArgument('value', 'array', '', true); |
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$this->registerArgument('forceObject', 'boolean', '', false, false); |
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} |
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/** |
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* Applies json_encode() on the specified value. |
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* |
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* Outputs content with its JSON representation. To prevent issues in HTML context, occurrences |
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* of greater-than or less-than characters are converted to their hexadecimal representations. |
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* |
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* If $forceObject is TRUE a JSON object is outputted even if the value is a non-associative array |
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* Example: array('foo', 'bar') as input will not be ["foo","bar"] but {"0":"foo","1":"bar"} |
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* |
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* @see http://www.php.net/manual/en/function.json-encode.php |
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* @return string |
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*/ |
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public function render() |
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{ |
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$value = $this->arguments['value']; |
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$forceObject = $this->arguments['forceObject']; |
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$options = JSON_HEX_TAG; |
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if ($forceObject !== false) { |
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$options = $options | JSON_FORCE_OBJECT; |
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} |
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return json_encode($value, $options); |
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} |
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} |
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kitodo /
kitodo-publication
