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<?php |
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/** |
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* This file is part of the Zemit Framework. |
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* |
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* (c) Zemit Team <[email protected]> |
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* |
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* For the full copyright and license information, please view the LICENSE.txt |
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* file that was distributed with this source code. |
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*/ |
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namespace Zemit\Utils; |
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/** |
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* Class Slug |
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* |
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* @author Julien Turbide <[email protected]> |
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* @copyright Zemit Team <[email protected]> |
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* |
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* @since 1.0 |
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* @version 1.0 |
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* |
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* @package Zemit\Utils |
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*/ |
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class Transform |
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{ |
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/** |
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* Here to parse the columns parameter into some kind of flatten array with |
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* the key path separated by dot "my.path" and the value true, false or a callback function |
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* including the ExposeBuilder object |
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* |
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* @param mixed $array |
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* @param string|null $context |
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* @param string|null $delimiter |
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* |
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* @return array|null |
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*/ |
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final public static function flattenKeys($array = null, ?string $delimiter = '.', ?bool $lowerKey = true, ?string $context = null) : ?array |
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{ |
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// nothing passed |
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if (!isset($array)) { |
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return null; |
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} |
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1 |
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$ret = []; |
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1 |
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if (!is_array($array)) { |
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$array = [$array]; |
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} |
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foreach ($array as $key => $value) { |
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// handle our special attribute |
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1 |
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if (is_bool($key)) { |
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$value = $key; |
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$key = null; |
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} |
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// flip value to key |
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1 |
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if (is_int($key)) { |
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1 |
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if (is_string($value)) { |
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1 |
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$key = $value; |
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1 |
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$value = true; |
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} |
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else { |
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$key = null; |
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} |
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} |
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// force lower case key |
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1 |
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if (is_string($key)) { |
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$key = trim($lowerKey ? mb_strtolower($key) : $key); |
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} |
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// |
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if (is_string($value) && empty($value)) { |
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$value = true; |
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} |
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// set the key |
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1 |
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$currentKey = (!empty($context) ? $context . (!empty($key) ? $delimiter : null) : null) . $key; |
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1 |
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if (is_array($value) || is_object($value)) { |
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$subRet = self::flattenKeys(is_callable($value)? $value() : $value, $delimiter, $lowerKey, $currentKey); |
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if (is_array($subRet)) { |
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$ret = array_merge_recursive($ret, $subRet); |
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} |
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1 |
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if (!isset($ret[$currentKey])) { |
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$ret[$currentKey] = false; |
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} |
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} |
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else { |
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$ret[$currentKey] = $value; |
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} |
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} |
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return $ret; |
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} |
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} |
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zemit-cms /
core
