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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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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 &$item) { |
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foreach ((array)$key as $k) { |
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if (is_object($item) && isset($item->$k)) { |
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unset($item->$k); |
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} |
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2 |
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if (is_array($item) && isset($item[$k])) { |
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unset($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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/** |
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* Check if an array contains a set of values. |
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* |
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* @param array $array |
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* @param array $subset |
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* @param boolean $strict Strict type checking |
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* @return boolean |
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*/ |
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function array_contains(array $array, array $subset, $strict = false) |
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{ |
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foreach ($subset as $value) { |
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if (!in_array($value, $array, $strict)) { |
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return false; |
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} |
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} |
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return true; |
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} |
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/** |
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* Check if an array contains a set of values with index check. |
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* |
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* @param array $array |
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* @param array $subset |
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* @param boolean $strict Strict type checking |
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* @return boolean |
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*/ |
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function array_has_subset(array $array, array $subset, $strict = false) |
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{ |
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foreach ($subset as $key => $value) { |
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if ( |
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!array_key_exists($key, $array) || |
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isset($value) !== isset($array[$key]) || |
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($strict ? $value !== $array[$key] : $value != $array[$key]) |
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) { |
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return false; |
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} |
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} |
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return true; |
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} |
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/** |
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121
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* Flatten a nested associative array, concatenating the keys. |
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* |
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* @param array $array |
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* @param string $glue |
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* @return array |
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*/ |
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function array_flatten(array $array, $glue = '.') |
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{ |
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3 |
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foreach ($array as $key => &$value) { |
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if (!is_associative_array($value)) { |
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continue; |
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} |
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3 |
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unset($array[$key]); |
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3 |
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$value = array_flatten($value, $glue); |
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3 |
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foreach ($value as $subkey => $subvalue) { |
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$array[$key . $glue . $subkey] = $subvalue; |
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3 |
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} |
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3 |
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} |
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3 |
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return $array; |
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} |
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jasny /
php-functions
