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<?php |
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/** |
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* @copyright 2017 Vladimir Jimenez |
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* @license https://github.com/allejo/PhpPulse/blob/master/LICENSE.md MIT |
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*/ |
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namespace allejo\DaPulse\Utilities; |
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/** |
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* This class contains static utilities used for manipulating arrays. |
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* |
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* The original authors for the respective functions are listed in the documentation. |
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* |
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* @package allejo\DaPulse\Utilities |
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* @since 0.1.0 |
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*/ |
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class ArrayUtilities |
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{ |
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/** |
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* Search a two-dimensional array based on a specific key located in one of the inner arrays. |
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* |
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* In the following example array, this function could search each 'first_name' key in each of the inner arrays. |
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* |
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* ```php |
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* $records = array( |
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* array( |
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* 'id' => 2135, |
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* 'first_name' => 'John', |
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* 'last_name' => 'Doe', |
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* ), |
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* array( |
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* 'id' => 3245, |
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* 'first_name' => 'Sally', |
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* 'last_name' => 'Smith', |
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* ) |
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* ); |
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* ``` |
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* |
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* @param array $array The target two-dimensional array we will be searching |
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* @param string $column The name of the key that each inner array will have whose value will be checked |
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* @param string $search The value that will be searched for |
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* |
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* @since 0.1.0 |
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* |
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* @return mixed This function returns an int or string if the key is found. This function will return false if the |
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* key was not found; be sure to use "===" for comparison. |
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*/ |
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public static function array_search_column ($array, $column, $search) |
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{ |
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if (function_exists('array_column')) |
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{ |
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return array_search($search, array_column($array, $column)); |
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} |
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else |
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{ |
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foreach ($array as $key => $val) |
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{ |
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if ($val[$column] === $search) |
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{ |
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return $key; |
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} |
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} |
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} |
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return false; |
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} |
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/** |
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* array_merge_recursive does indeed merge arrays, but it converts values with duplicate |
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* keys to arrays rather than overwriting the value in the first array with the duplicate |
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* value in the second array, as array_merge does. I.e., with array_merge_recursive, |
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* this happens (documented behavior): |
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* |
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* array_merge_recursive(array('key' => 'org value'), array('key' => 'new value')); |
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* => array('key' => array('org value', 'new value')); |
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* |
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* array_merge_recursive_distinct does not change the datatypes of the values in the arrays. |
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* Matching keys' values in the second array overwrite those in the first array, as is the |
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* case with array_merge, i.e.: |
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* |
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* array_merge_recursive_distinct(array('key' => 'org value'), array('key' => 'new value')); |
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* => array('key' => array('new value')); |
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* |
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* Parameters are passed by reference, though only for performance reasons. They're not |
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* altered by this function. |
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* |
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* @param array $array1 |
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* @param array $array2 |
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* |
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* @return array |
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* @author Daniel <daniel (at) danielsmedegaardbuus (dot) dk> |
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* @author Gabriel Sobrinho <gabriel (dot) sobrinho (at) gmail (dot) com> |
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*/ |
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public static function array_merge_recursive_distinct (array &$array1, array &$array2) |
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{ |
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$merged = $array1; |
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foreach ($array2 as $key => &$value) |
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{ |
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if (is_array($value) && isset($merged[$key]) && is_array($merged[$key])) |
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{ |
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$merged[$key] = self::array_merge_recursive_distinct($merged[$key], $value); |
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} |
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else |
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{ |
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$merged[$key] = $value; |
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} |
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} |
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return $merged; |
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} |
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} |
allejo /
PhpPulse
