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<?php |
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namespace Jasny; |
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/** |
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* Get items from an array. |
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* Set default values using [key => value]. |
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* |
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* <code> |
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* list($foo, $bar, $useAll) = extract_keys($_GET, ['foo', 'bar', 'all' => false]); |
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* </cody> |
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* |
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* @param array $array |
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* @param array $keys |
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* @return array |
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*/ |
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function extract_keys(array $array, array $keys) |
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{ |
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1 |
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$values = []; |
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1 |
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foreach ($keys as $i => $v) { |
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$key = is_int($i) ? $v : $i; |
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$default = is_int($i) ? null : $v; |
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$values[] = isset($array[$key]) ? $array[$key] : $default; |
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} |
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return $values; |
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} |
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/** |
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* Walk through the array and unset an item with the key |
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* |
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* @param array $array Array with objects or arrays |
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* @param string|array $key |
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*/ |
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function array_unset(array &$array, $key) |
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{ |
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foreach ($array as &$item) { |
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if (is_object($item)) { |
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foreach ((array)$key as $k) { |
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if (isset($item->$k)) unset($item->$k); |
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} |
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} elseif (is_array($item)) { |
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1 |
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foreach ((array)$key as $k) { |
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if (isset($item[$k])) unset($item[$k]); |
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} |
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} |
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} |
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} |
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/** |
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* Return an array with only the specified keys. |
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* |
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* @param array $array |
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* @param array $keys |
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* @return array |
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*/ |
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function array_only(array $array, array $keys) |
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{ |
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$intersect = array_fill_keys($keys, null); |
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return array_intersect_key($array, $intersect); |
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} |
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/** |
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* Return an array without the specified keys. |
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* |
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* @param array $array |
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* @param array $keys |
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* @return array |
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*/ |
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function array_without(array $array, array $keys) |
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{ |
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$intersect = array_fill_keys($keys, null); |
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return array_diff_key($array, $intersect); |
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} |
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jasny /
php-functions
